started implementing core features (profiles, dms, servers, text/voice, settings, etc)

added icons and branding

bun.lock

@@ -9,6 +9,7 @@
         "@fontsource/space-grotesk": "^5.2.0",
         "@tauri-apps/api": "^2",
         "@tauri-apps/plugin-shell": "^2",
+        "@thisbeyond/solid-dnd": "^0.7.5",
         "lucide-solid": "^0.469.0",
         "motion": "^12.0.0",
         "solid-js": "^1.9.3",
@@ -255,6 +256,8 @@
 
     "@tauri-apps/plugin-shell": ["@tauri-apps/plugin-shell@2.3.5", "", { "dependencies": { "@tauri-apps/api": "^2.10.1" } }, "sha512-jewtULhiQ7lI7+owCKAjc8tYLJr92U16bPOeAa472LHJdgaibLP83NcfAF2e+wkEcA53FxKQAZ7byDzs2eeizg=="],
 
+    "@thisbeyond/solid-dnd": ["@thisbeyond/solid-dnd@0.7.5", "", { "peerDependencies": { "solid-js": "^1.5" } }, "sha512-DfI5ff+yYGpK9M21LhYwIPlbP2msKxN2ARwuu6GF8tT1GgNVDTI8VCQvH4TJFoVApP9d44izmAcTh/iTCH2UUw=="],
+
     "@types/babel__core": ["@types/babel__core@7.20.5", "", { "dependencies": { "@babel/parser": "^7.20.7", "@babel/types": "^7.20.7", "@types/babel__generator": "*", "@types/babel__template": "*", "@types/babel__traverse": "*" } }, "sha512-qoQprZvz5wQFJwMDqeseRXWv3rqMvhgpbXFfVyWhbx9X47POIA6i/+dXefEmZKoAgOaTdaIgNSMqMIU61yRyzA=="],
 
     "@types/babel__generator": ["@types/babel__generator@7.27.0", "", { "dependencies": { "@babel/types": "^7.0.0" } }, "sha512-ufFd2Xi92OAVPYsy+P4n7/U7e68fex0+Ee8gSG9KX7eo084CWiQ4sdxktvdl0bOPupXtVJPY19zk6EwWqUQ8lg=="],

package.json

@@ -15,6 +15,7 @@
     "@fontsource/space-grotesk": "^5.2.0",
     "@tauri-apps/api": "^2",
     "@tauri-apps/plugin-shell": "^2",
+    "@thisbeyond/solid-dnd": "^0.7.5",
     "lucide-solid": "^0.469.0",
     "motion": "^12.0.0",
     "solid-js": "^1.9.3",

src-tauri/Cargo.lock

@@ -1123,6 +1123,7 @@ dependencies = [
  "tauri-build",
  "tauri-plugin-shell",
  "tokio",
+ "webkit2gtk",
 ]
 
 [[package]]

src-tauri/Cargo.toml

@@ -29,6 +29,7 @@ libp2p = { version = "0.54", features = [
   "noise",
   "yamux",
   "tcp",
+  "dns",
   "tokio",
   "identify",
   "macros",
@@ -56,3 +57,7 @@ dotenvy = "0.15"
 
 # async utilities
 futures = "0.3"
+
+# platform-specific: webview media permissions on linux
+[target.'cfg(target_os = "linux")'.dependencies]
+webkit2gtk = "2.0"

src-tauri/icons/android/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+  <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+  <background android:drawable="@color/ic_launcher_background"/>
+</adaptive-icon>

src-tauri/icons/android/values/ic_launcher_background.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+  <color name="ic_launcher_background">#fff</color>
+</resources>

src-tauri/src/commands/chat.rs

@@ -1,10 +1,13 @@
 use std::time::{SystemTime, UNIX_EPOCH};
 
 use tauri::State;
+use tokio::net::TcpStream;
+use tokio::time::{timeout, Duration};
 
 use crate::node::gossip;
 use crate::node::{self, NodeCommand};
 use crate::protocol::messages::{ChatMessage, GossipMessage, ProfileAnnouncement, TypingIndicator};
+use crate::verification;
 use crate::AppState;
 
 #[tauri::command]
@@ -19,11 +22,12 @@ pub async fn start_node(app: tauri::AppHandle, state: State<'_, AppState>) -> Re
         state.crdt_engine.clone(),
         state.storage.clone(),
         app,
+        state.voice_channels.clone(),
     )
     .await?;
 
     // capture profile info for announcement before dropping identity lock
-    let profile_announcement = ProfileAnnouncement {
+    let mut profile_announcement = ProfileAnnouncement {
         peer_id: id.peer_id.to_string(),
         display_name: id.display_name.clone(),
         bio: id.bio.clone(),
@@ -32,7 +36,11 @@ pub async fn start_node(app: tauri::AppHandle, state: State<'_, AppState>) -> Re
             .duration_since(UNIX_EPOCH)
             .unwrap()
             .as_millis() as u64,
+        verification_proof: id.verification_proof.clone(),
+        signature: String::new(),
     };
+    profile_announcement.signature =
+        verification::sign_announcement(&id.keypair, &profile_announcement);
     drop(identity);
 
     {
@@ -114,6 +122,41 @@ pub async fn start_node(app: tauri::AppHandle, state: State<'_, AppState>) -> Re
                 .send(NodeCommand::RegisterRendezvous { namespace })
                 .await;
         }
+
+        // subscribe to all existing dm conversation topics
+        let local_peer_str = {
+            let identity = state.identity.lock().await;
+            identity
+                .as_ref()
+                .map(|i| i.peer_id.to_string())
+                .unwrap_or_default()
+        };
+        if let Ok(conversations) = state.storage.load_all_dm_conversations() {
+            for (_, meta) in &conversations {
+                let dm_topic = gossip::topic_for_dm(&local_peer_str, &meta.peer_id);
+                let _ = handle
+                    .command_tx
+                    .send(NodeCommand::Subscribe { topic: dm_topic })
+                    .await;
+            }
+        }
+
+        // subscribe to personal dm inbox so first-time dms from any peer land
+        let inbox_topic = gossip::topic_for_dm_inbox(&local_peer_str);
+        let _ = handle
+            .command_tx
+            .send(NodeCommand::Subscribe { topic: inbox_topic })
+            .await;
+
+        // register personal rendezvous namespace so any peer can discover
+        // and connect to us for dms even without sharing a community
+        let personal_ns = format!("dusk/peer/{}", local_peer_str);
+        let _ = handle
+            .command_tx
+            .send(NodeCommand::RegisterRendezvous {
+                namespace: personal_ns,
+            })
+            .await;
     }
 
     Ok(())
@@ -242,3 +285,28 @@ fn find_community_for_channel(
         channel_id
     ))
 }
+
+// attempts tcp connections to well-known hosts to distinguish
+// between a general internet outage and the relay being unreachable
+#[tauri::command]
+pub async fn check_internet_connectivity() -> Result<bool, String> {
+    let hosts = vec![
+        ("www.apple.com", 80),
+        ("www.google.com", 80),
+        ("www.yahoo.com", 80),
+    ];
+
+    let connect_timeout = Duration::from_secs(5);
+
+    let futures: Vec<_> = hosts
+        .into_iter()
+        .map(|(host, port)| {
+            let addr = format!("{}:{}", host, port);
+            timeout(connect_timeout, TcpStream::connect(addr))
+        })
+        .collect();
+
+    let results = futures::future::join_all(futures).await;
+
+    Ok(results.iter().any(|r| matches!(r, Ok(Ok(_)))))
+}

src-tauri/src/commands/community.rs

@@ -5,7 +5,7 @@ use tauri::State;
 
 use crate::node::gossip;
 use crate::node::NodeCommand;
-use crate::protocol::community::{ChannelKind, ChannelMeta, CommunityMeta, Member};
+use crate::protocol::community::{CategoryMeta, ChannelKind, ChannelMeta, CommunityMeta, Member};
 use crate::protocol::messages::PeerStatus;
 use crate::AppState;
 
@@ -224,6 +224,8 @@ pub async fn create_channel(
     community_id: String,
     name: String,
     topic: String,
+    kind: Option<String>,
+    category_id: Option<String>,
 ) -> Result<ChannelMeta, String> {
     let mut hasher = Sha256::new();
     hasher.update(community_id.as_bytes());
@@ -236,12 +238,19 @@ pub async fn create_channel(
     let hash = hasher.finalize();
     let channel_id = format!("ch_{}", &hex::encode(hash)[..12]);
 
+    let channel_kind = match kind.as_deref() {
+        Some("voice") | Some("Voice") => ChannelKind::Voice,
+        _ => ChannelKind::Text,
+    };
+
     let channel = ChannelMeta {
         id: channel_id,
         community_id: community_id.clone(),
         name,
         topic,
-        kind: ChannelKind::Text,
+        kind: channel_kind,
+        position: 0,
+        category_id,
     };
 
     let mut engine = state.crdt_engine.lock().await;
@@ -278,6 +287,59 @@ pub async fn get_channels(
     engine.get_channels(&community_id)
 }
 
+#[tauri::command]
+pub async fn create_category(
+    state: State<'_, AppState>,
+    community_id: String,
+    name: String,
+) -> Result<CategoryMeta, String> {
+    let mut hasher = Sha256::new();
+    hasher.update(community_id.as_bytes());
+    hasher.update(name.as_bytes());
+    let now = SystemTime::now()
+        .duration_since(UNIX_EPOCH)
+        .unwrap()
+        .as_millis() as u64;
+    hasher.update(now.to_le_bytes());
+    let hash = hasher.finalize();
+    let category_id = format!("cat_{}", &hex::encode(hash)[..12]);
+
+    let category = CategoryMeta {
+        id: category_id,
+        community_id: community_id.clone(),
+        name,
+        position: 0,
+    };
+
+    let mut engine = state.crdt_engine.lock().await;
+    engine.create_category(&community_id, &category)?;
+    drop(engine);
+
+    // broadcast the change via document sync
+    let node_handle = state.node_handle.lock().await;
+    if let Some(ref handle) = *node_handle {
+        let sync_topic = "dusk/sync".to_string();
+        let _ = handle
+            .command_tx
+            .send(NodeCommand::SendMessage {
+                topic: sync_topic,
+                data: community_id.as_bytes().to_vec(),
+            })
+            .await;
+    }
+
+    Ok(category)
+}
+
+#[tauri::command]
+pub async fn get_categories(
+    state: State<'_, AppState>,
+    community_id: String,
+) -> Result<Vec<CategoryMeta>, String> {
+    let engine = state.crdt_engine.lock().await;
+    engine.get_categories(&community_id)
+}
+
 #[tauri::command]
 pub async fn get_members(
     state: State<'_, AppState>,
@@ -442,3 +504,30 @@ pub async fn generate_invite(
 
     Ok(invite.encode())
 }
+
+#[tauri::command]
+pub async fn reorder_channels(
+    state: State<'_, AppState>,
+    community_id: String,
+    channel_ids: Vec<String>,
+) -> Result<Vec<ChannelMeta>, String> {
+    let mut engine = state.crdt_engine.lock().await;
+    let channels = engine.reorder_channels(&community_id, &channel_ids)?;
+    drop(engine);
+
+    // broadcast the reordering to peers via document sync
+    // the change will propagate through the existing gossipsub sync mechanism
+    let node_handle = state.node_handle.lock().await;
+    if let Some(ref handle) = *node_handle {
+        let sync_topic = "dusk/sync".to_string();
+        let _ = handle
+            .command_tx
+            .send(NodeCommand::SendMessage {
+                topic: sync_topic,
+                data: community_id.as_bytes().to_vec(),
+            })
+            .await;
+    }
+
+    Ok(channels)
+}

src-tauri/src/commands/dm.rs

@@ -0,0 +1,312 @@
+use std::time::{SystemTime, UNIX_EPOCH};
+
+use tauri::State;
+
+use crate::node::gossip;
+use crate::node::NodeCommand;
+use crate::protocol::messages::{
+    DMConversationMeta, DMTypingIndicator, DirectMessage, GossipMessage,
+};
+use crate::AppState;
+
+// send a direct message to a peer
+// creates the conversation on disk if it doesn't exist,
+// publishes the message over gossipsub on the pair topic
+#[tauri::command]
+pub async fn send_dm(
+    state: State<'_, AppState>,
+    peer_id: String,
+    content: String,
+) -> Result<DirectMessage, String> {
+    let identity = state.identity.lock().await;
+    let id = identity.as_ref().ok_or("no identity loaded")?;
+
+    let now = SystemTime::now()
+        .duration_since(UNIX_EPOCH)
+        .unwrap()
+        .as_millis() as u64;
+
+    let local_peer_id = id.peer_id.to_string();
+    let display_name = id.display_name.clone();
+    drop(identity);
+
+    let msg = DirectMessage {
+        id: format!("dm_{}_{}", local_peer_id, now),
+        from_peer: local_peer_id.clone(),
+        to_peer: peer_id.clone(),
+        from_display_name: display_name.clone(),
+        content: content.clone(),
+        timestamp: now,
+    };
+
+    // derive the conversation id and persist the message
+    let conversation_id = gossip::dm_conversation_id(&local_peer_id, &peer_id);
+
+    state
+        .storage
+        .append_dm_message(&conversation_id, &msg)
+        .map_err(|e| format!("failed to persist dm: {}", e))?;
+
+    // ensure conversation metadata exists on disk
+    // try to load existing meta to preserve peer's display name,
+    // fall back to what we know from the directory
+    let existing_meta = state.storage.load_dm_conversation(&conversation_id).ok();
+    let peer_display_name = existing_meta
+        .as_ref()
+        .map(|m| m.display_name.clone())
+        .unwrap_or_else(|| {
+            // look up in directory
+            state
+                .storage
+                .load_directory()
+                .ok()
+                .and_then(|d| d.get(&peer_id).map(|e| e.display_name.clone()))
+                .unwrap_or_else(|| peer_id.clone())
+        });
+
+    let meta = DMConversationMeta {
+        peer_id: peer_id.clone(),
+        display_name: peer_display_name,
+        last_message: Some(content),
+        last_message_time: Some(now),
+        unread_count: existing_meta.map(|m| m.unread_count).unwrap_or(0),
+    };
+
+    state
+        .storage
+        .save_dm_conversation(&conversation_id, &meta)
+        .map_err(|e| format!("failed to save dm conversation: {}", e))?;
+
+    // publish to the dm gossipsub topic
+    let node_handle = state.node_handle.lock().await;
+    if let Some(ref handle) = *node_handle {
+        let data = serde_json::to_vec(&GossipMessage::DirectMessage(msg.clone()))
+            .map_err(|e| format!("serialize error: {}", e))?;
+
+        // publish to the pair topic (for when both peers are already subscribed)
+        let pair_topic = gossip::topic_for_dm(&local_peer_id, &peer_id);
+        let _ = handle
+            .command_tx
+            .send(NodeCommand::SendMessage {
+                topic: pair_topic,
+                data: data.clone(),
+            })
+            .await;
+
+        // also publish to the recipient's inbox topic to guarantee delivery
+        // on first-time dms where the peer isn't subscribed to the pair topic yet
+        let inbox_topic = gossip::topic_for_dm_inbox(&peer_id);
+        let _ = handle
+            .command_tx
+            .send(NodeCommand::SendMessage {
+                topic: inbox_topic,
+                data,
+            })
+            .await;
+
+        // discover the peer via rendezvous in case we're not connected over wan
+        let discover_ns = format!("dusk/peer/{}", peer_id);
+        let _ = handle
+            .command_tx
+            .send(NodeCommand::DiscoverRendezvous {
+                namespace: discover_ns,
+            })
+            .await;
+    }
+
+    Ok(msg)
+}
+
+// load dm messages for a conversation with a specific peer
+#[tauri::command]
+pub async fn get_dm_messages(
+    state: State<'_, AppState>,
+    peer_id: String,
+    before: Option<u64>,
+    limit: Option<usize>,
+) -> Result<Vec<DirectMessage>, String> {
+    let identity = state.identity.lock().await;
+    let id = identity.as_ref().ok_or("no identity loaded")?;
+    let local_peer_id = id.peer_id.to_string();
+    drop(identity);
+
+    let conversation_id = gossip::dm_conversation_id(&local_peer_id, &peer_id);
+
+    state
+        .storage
+        .load_dm_messages(&conversation_id, before, limit.unwrap_or(50))
+        .map_err(|e| format!("failed to load dm messages: {}", e))
+}
+
+// load all dm conversations for the sidebar
+#[tauri::command]
+pub async fn get_dm_conversations(
+    state: State<'_, AppState>,
+) -> Result<Vec<DMConversationMeta>, String> {
+    let conversations = state
+        .storage
+        .load_all_dm_conversations()
+        .map_err(|e| format!("failed to load dm conversations: {}", e))?;
+
+    Ok(conversations.into_iter().map(|(_, meta)| meta).collect())
+}
+
+// mark all messages in a dm conversation as read
+#[tauri::command]
+pub async fn mark_dm_read(state: State<'_, AppState>, peer_id: String) -> Result<(), String> {
+    let identity = state.identity.lock().await;
+    let id = identity.as_ref().ok_or("no identity loaded")?;
+    let local_peer_id = id.peer_id.to_string();
+    drop(identity);
+
+    let conversation_id = gossip::dm_conversation_id(&local_peer_id, &peer_id);
+
+    let mut meta = state
+        .storage
+        .load_dm_conversation(&conversation_id)
+        .map_err(|e| format!("failed to load conversation: {}", e))?;
+
+    meta.unread_count = 0;
+
+    state
+        .storage
+        .save_dm_conversation(&conversation_id, &meta)
+        .map_err(|e| format!("failed to save conversation: {}", e))
+}
+
+// delete a dm conversation and all its messages
+#[tauri::command]
+pub async fn delete_dm_conversation(
+    state: State<'_, AppState>,
+    peer_id: String,
+) -> Result<(), String> {
+    let identity = state.identity.lock().await;
+    let id = identity.as_ref().ok_or("no identity loaded")?;
+    let local_peer_id = id.peer_id.to_string();
+    drop(identity);
+
+    let conversation_id = gossip::dm_conversation_id(&local_peer_id, &peer_id);
+
+    // unsubscribe from the dm topic
+    let node_handle = state.node_handle.lock().await;
+    if let Some(ref handle) = *node_handle {
+        let topic = gossip::topic_for_dm(&local_peer_id, &peer_id);
+        let _ = handle
+            .command_tx
+            .send(NodeCommand::Unsubscribe { topic })
+            .await;
+    }
+
+    state
+        .storage
+        .remove_dm_conversation(&conversation_id)
+        .map_err(|e| format!("failed to delete conversation: {}", e))
+}
+
+// send a typing indicator in a dm conversation
+#[tauri::command]
+pub async fn send_dm_typing(state: State<'_, AppState>, peer_id: String) -> Result<(), String> {
+    let identity = state.identity.lock().await;
+    let id = identity.as_ref().ok_or("no identity loaded")?;
+    let local_peer_id = id.peer_id.to_string();
+    drop(identity);
+
+    let now = SystemTime::now()
+        .duration_since(UNIX_EPOCH)
+        .unwrap()
+        .as_millis() as u64;
+
+    let indicator = DMTypingIndicator {
+        from_peer: local_peer_id.clone(),
+        to_peer: peer_id.clone(),
+        timestamp: now,
+    };
+
+    let node_handle = state.node_handle.lock().await;
+    if let Some(ref handle) = *node_handle {
+        let topic = gossip::topic_for_dm(&local_peer_id, &peer_id);
+        let data = serde_json::to_vec(&GossipMessage::DMTyping(indicator))
+            .map_err(|e| format!("serialize error: {}", e))?;
+
+        let _ = handle
+            .command_tx
+            .send(NodeCommand::SendMessage { topic, data })
+            .await;
+    }
+
+    Ok(())
+}
+
+// open a dm conversation with a peer (creates metadata on disk and subscribes to topic)
+// used when clicking "message" on a peer's profile
+#[tauri::command]
+pub async fn open_dm_conversation(
+    state: State<'_, AppState>,
+    peer_id: String,
+    display_name: String,
+) -> Result<DMConversationMeta, String> {
+    let identity = state.identity.lock().await;
+    let id = identity.as_ref().ok_or("no identity loaded")?;
+    let local_peer_id = id.peer_id.to_string();
+    drop(identity);
+
+    let conversation_id = gossip::dm_conversation_id(&local_peer_id, &peer_id);
+
+    // check if conversation already exists
+    if let Ok(existing) = state.storage.load_dm_conversation(&conversation_id) {
+        // subscribe to make sure we're listening
+        let node_handle = state.node_handle.lock().await;
+        if let Some(ref handle) = *node_handle {
+            let topic = gossip::topic_for_dm(&local_peer_id, &peer_id);
+            let _ = handle
+                .command_tx
+                .send(NodeCommand::Subscribe { topic })
+                .await;
+
+            // discover the peer via rendezvous to ensure wan connectivity
+            let discover_ns = format!("dusk/peer/{}", peer_id);
+            let _ = handle
+                .command_tx
+                .send(NodeCommand::DiscoverRendezvous {
+                    namespace: discover_ns,
+                })
+                .await;
+        }
+        return Ok(existing);
+    }
+
+    let meta = DMConversationMeta {
+        peer_id: peer_id.clone(),
+        display_name,
+        last_message: None,
+        last_message_time: None,
+        unread_count: 0,
+    };
+
+    state
+        .storage
+        .save_dm_conversation(&conversation_id, &meta)
+        .map_err(|e| format!("failed to create dm conversation: {}", e))?;
+
+    // subscribe to the dm topic so we receive messages
+    let node_handle = state.node_handle.lock().await;
+    if let Some(ref handle) = *node_handle {
+        let topic = gossip::topic_for_dm(&local_peer_id, &peer_id);
+        let _ = handle
+            .command_tx
+            .send(NodeCommand::Subscribe { topic })
+            .await;
+
+        // discover the peer via rendezvous to establish wan connectivity
+        // through the relay circuit before any messages are sent
+        let discover_ns = format!("dusk/peer/{}", peer_id);
+        let _ = handle
+            .command_tx
+            .send(NodeCommand::DiscoverRendezvous {
+                namespace: discover_ns,
+            })
+            .await;
+    }
+
+    Ok(meta)
+}

src-tauri/src/commands/identity.rs

@@ -5,10 +5,44 @@ use tauri::State;
 use crate::node::gossip;
 use crate::node::NodeCommand;
 use crate::protocol::identity::{DirectoryEntry, DuskIdentity, PublicIdentity};
-use crate::protocol::messages::{GossipMessage, ProfileRevocation};
+use crate::protocol::messages::{GossipMessage, ProfileAnnouncement, ProfileRevocation};
 use crate::storage::UserSettings;
+use crate::verification::{self, ChallengeSubmission};
 use crate::AppState;
 
+// build a signed profile announcement and publish it on the directory topic
+// so all connected peers immediately learn about the updated profile.
+// silently no-ops if the node isn't running yet.
+async fn announce_profile(id: &DuskIdentity, state: &AppState) {
+    let mut announcement = ProfileAnnouncement {
+        peer_id: id.peer_id.to_string(),
+        display_name: id.display_name.clone(),
+        bio: id.bio.clone(),
+        public_key: hex::encode(id.keypair.public().encode_protobuf()),
+        timestamp: SystemTime::now()
+            .duration_since(UNIX_EPOCH)
+            .unwrap()
+            .as_millis() as u64,
+        verification_proof: id.verification_proof.clone(),
+        signature: String::new(),
+    };
+    announcement.signature = verification::sign_announcement(&id.keypair, &announcement);
+
+    let node_handle = state.node_handle.lock().await;
+    if let Some(ref handle) = *node_handle {
+        let msg = GossipMessage::ProfileAnnounce(announcement);
+        if let Ok(data) = serde_json::to_vec(&msg) {
+            let _ = handle
+                .command_tx
+                .send(NodeCommand::SendMessage {
+                    topic: gossip::topic_for_directory(),
+                    data,
+                })
+                .await;
+        }
+    }
+}
+
 #[tauri::command]
 pub async fn has_identity(state: State<'_, AppState>) -> Result<bool, String> {
     Ok(state.storage.has_identity())
@@ -37,8 +71,30 @@ pub async fn create_identity(
     state: State<'_, AppState>,
     display_name: String,
     bio: Option<String>,
+    challenge_data: Option<ChallengeSubmission>,
 ) -> Result<PublicIdentity, String> {
-    let new_identity = DuskIdentity::generate(&display_name, &bio.unwrap_or_default());
+    // require challenge data and re-validate behavioral analysis in rust
+    let challenge = challenge_data.ok_or("verification required")?;
+    let result = verification::analyze_challenge(&challenge);
+    if !result.is_human {
+        return Err("verification failed".to_string());
+    }
+
+    let mut new_identity = DuskIdentity::generate(&display_name, &bio.unwrap_or_default());
+
+    // generate a cryptographic proof binding the verification to this keypair
+    let proof = verification::generate_proof(
+        &challenge,
+        &new_identity.keypair,
+        &new_identity.peer_id.to_string(),
+    )?;
+
+    state
+        .storage
+        .save_verification_proof(&proof)
+        .map_err(|e| format!("failed to save verification proof: {}", e))?;
+
+    new_identity.verification_proof = Some(proof);
     new_identity.save(&state.storage)?;
 
     // also save initial settings with this display name so they're in sync
@@ -64,6 +120,8 @@ pub async fn update_display_name(state: State<'_, AppState>, name: String) -> Re
     id.display_name = name;
     id.save(&state.storage)?;
 
+    announce_profile(id, &state).await;
+
     Ok(())
 }
 
@@ -80,7 +138,12 @@ pub async fn update_profile(
     id.bio = bio;
     id.save(&state.storage)?;
 
-    Ok(id.public_identity())
+    let public = id.public_identity();
+
+    // re-announce so connected peers see the change immediately
+    announce_profile(id, &state).await;
+
+    Ok(public)
 }
 
 #[tauri::command]
@@ -98,13 +161,23 @@ pub async fn save_settings(
 ) -> Result<(), String> {
     // also update the identity display name if it changed
     let mut identity = state.identity.lock().await;
+    let mut name_changed = false;
     if let Some(id) = identity.as_mut() {
         if id.display_name != settings.display_name {
             id.display_name = settings.display_name.clone();
             id.save(&state.storage)?;
+            name_changed = true;
         }
     }
 
+    // re-announce if the display name was updated through settings
+    if name_changed {
+        if let Some(id) = identity.as_ref() {
+            announce_profile(id, &state).await;
+        }
+    }
+    drop(identity);
+
     state
         .storage
         .save_settings(&settings)
@@ -192,14 +265,16 @@ pub async fn reset_identity(state: State<'_, AppState>) -> Result<(), String> {
     let id = identity.as_ref().ok_or("no identity loaded")?;
 
     // build the revocation message before we destroy the identity
-    let revocation = ProfileRevocation {
+    let mut revocation = ProfileRevocation {
         peer_id: id.peer_id.to_string(),
         public_key: hex::encode(id.keypair.public().encode_protobuf()),
         timestamp: SystemTime::now()
             .duration_since(UNIX_EPOCH)
             .unwrap()
             .as_millis() as u64,
+        signature: String::new(),
     };
+    revocation.signature = verification::sign_revocation(&id.keypair, &revocation);
 
     // broadcast revocation on the directory gossip topic
     let node_handle = state.node_handle.lock().await;

src-tauri/src/commands/mod.rs

@@ -1,3 +1,5 @@
 pub mod chat;
 pub mod community;
+pub mod dm;
 pub mod identity;
+pub mod voice;

src-tauri/src/commands/voice.rs

@@ -0,0 +1,268 @@
+use tauri::State;
+
+use crate::node::gossip;
+use crate::node::NodeCommand;
+use crate::protocol::messages::{GossipMessage, VoiceMediaState, VoiceParticipant};
+use crate::AppState;
+
+#[tauri::command]
+pub async fn join_voice_channel(
+    state: State<'_, AppState>,
+    community_id: String,
+    channel_id: String,
+) -> Result<Vec<VoiceParticipant>, String> {
+    let identity = state.identity.lock().await;
+    let id = identity.as_ref().ok_or("no identity loaded")?;
+
+    let peer_id = id.peer_id.to_string();
+    let display_name = id.display_name.clone();
+    drop(identity);
+
+    let media_state = VoiceMediaState {
+        muted: false,
+        deafened: false,
+        video_enabled: false,
+        screen_sharing: false,
+    };
+
+    // subscribe to the voice topic for this channel
+    let voice_topic = gossip::topic_for_voice(&community_id, &channel_id);
+    let node_handle = state.node_handle.lock().await;
+    if let Some(ref handle) = *node_handle {
+        let _ = handle
+            .command_tx
+            .send(NodeCommand::Subscribe {
+                topic: voice_topic.clone(),
+            })
+            .await;
+
+        // publish our join announcement
+        let msg = GossipMessage::VoiceJoin {
+            community_id: community_id.clone(),
+            channel_id: channel_id.clone(),
+            peer_id: peer_id.clone(),
+            display_name: display_name.clone(),
+            media_state: media_state.clone(),
+        };
+        let data =
+            serde_json::to_vec(&msg).map_err(|e| format!("serialize error: {}", e))?;
+        let _ = handle
+            .command_tx
+            .send(NodeCommand::SendMessage {
+                topic: voice_topic,
+                data,
+            })
+            .await;
+    }
+
+    // add ourselves to the local voice channel tracking
+    let key = format!("{}:{}", community_id, channel_id);
+    let mut vc = state.voice_channels.lock().await;
+    let participants = vc.entry(key.clone()).or_insert_with(Vec::new);
+    participants.retain(|p| p.peer_id != peer_id);
+    participants.push(VoiceParticipant {
+        peer_id,
+        display_name,
+        media_state,
+    });
+
+    let result = participants.clone();
+    drop(vc);
+
+    log::info!("joined voice channel {}:{}", community_id, channel_id);
+
+    Ok(result)
+}
+
+#[tauri::command]
+pub async fn leave_voice_channel(
+    state: State<'_, AppState>,
+    community_id: String,
+    channel_id: String,
+) -> Result<(), String> {
+    let identity = state.identity.lock().await;
+    let id = identity.as_ref().ok_or("no identity loaded")?;
+    let peer_id = id.peer_id.to_string();
+    drop(identity);
+
+    let voice_topic = gossip::topic_for_voice(&community_id, &channel_id);
+
+    // publish our leave announcement before unsubscribing
+    let node_handle = state.node_handle.lock().await;
+    if let Some(ref handle) = *node_handle {
+        let msg = GossipMessage::VoiceLeave {
+            community_id: community_id.clone(),
+            channel_id: channel_id.clone(),
+            peer_id: peer_id.clone(),
+        };
+        let data =
+            serde_json::to_vec(&msg).map_err(|e| format!("serialize error: {}", e))?;
+        let _ = handle
+            .command_tx
+            .send(NodeCommand::SendMessage {
+                topic: voice_topic.clone(),
+                data,
+            })
+            .await;
+
+        // unsubscribe from the voice topic
+        let _ = handle
+            .command_tx
+            .send(NodeCommand::Unsubscribe {
+                topic: voice_topic,
+            })
+            .await;
+    }
+
+    // remove ourselves from local tracking
+    let key = format!("{}:{}", community_id, channel_id);
+    let mut vc = state.voice_channels.lock().await;
+    if let Some(participants) = vc.get_mut(&key) {
+        participants.retain(|p| p.peer_id != peer_id);
+        if participants.is_empty() {
+            vc.remove(&key);
+        }
+    }
+    drop(vc);
+
+    log::info!("left voice channel {}:{}", community_id, channel_id);
+
+    Ok(())
+}
+
+#[tauri::command]
+pub async fn update_voice_media_state(
+    state: State<'_, AppState>,
+    community_id: String,
+    channel_id: String,
+    media_state: VoiceMediaState,
+) -> Result<(), String> {
+    let identity = state.identity.lock().await;
+    let id = identity.as_ref().ok_or("no identity loaded")?;
+    let peer_id = id.peer_id.to_string();
+    drop(identity);
+
+    let voice_topic = gossip::topic_for_voice(&community_id, &channel_id);
+    let node_handle = state.node_handle.lock().await;
+    if let Some(ref handle) = *node_handle {
+        let msg = GossipMessage::VoiceMediaStateUpdate {
+            community_id: community_id.clone(),
+            channel_id: channel_id.clone(),
+            peer_id: peer_id.clone(),
+            media_state: media_state.clone(),
+        };
+        let data =
+            serde_json::to_vec(&msg).map_err(|e| format!("serialize error: {}", e))?;
+        let _ = handle
+            .command_tx
+            .send(NodeCommand::SendMessage {
+                topic: voice_topic,
+                data,
+            })
+            .await;
+    }
+
+    // update local tracking
+    let key = format!("{}:{}", community_id, channel_id);
+    let mut vc = state.voice_channels.lock().await;
+    if let Some(participants) = vc.get_mut(&key) {
+        if let Some(p) = participants.iter_mut().find(|p| p.peer_id == peer_id) {
+            p.media_state = media_state;
+        }
+    }
+    drop(vc);
+
+    Ok(())
+}
+
+#[tauri::command]
+pub async fn send_voice_sdp(
+    state: State<'_, AppState>,
+    community_id: String,
+    channel_id: String,
+    to_peer: String,
+    sdp_type: String,
+    sdp: String,
+) -> Result<(), String> {
+    let identity = state.identity.lock().await;
+    let id = identity.as_ref().ok_or("no identity loaded")?;
+    let from_peer = id.peer_id.to_string();
+    drop(identity);
+
+    let voice_topic = gossip::topic_for_voice(&community_id, &channel_id);
+    let node_handle = state.node_handle.lock().await;
+    if let Some(ref handle) = *node_handle {
+        let msg = GossipMessage::VoiceSdp {
+            community_id,
+            channel_id,
+            from_peer,
+            to_peer,
+            sdp_type,
+            sdp,
+        };
+        let data =
+            serde_json::to_vec(&msg).map_err(|e| format!("serialize error: {}", e))?;
+        let _ = handle
+            .command_tx
+            .send(NodeCommand::SendMessage {
+                topic: voice_topic,
+                data,
+            })
+            .await;
+    }
+
+    Ok(())
+}
+
+#[tauri::command]
+pub async fn send_voice_ice_candidate(
+    state: State<'_, AppState>,
+    community_id: String,
+    channel_id: String,
+    to_peer: String,
+    candidate: String,
+    sdp_mid: Option<String>,
+    sdp_mline_index: Option<u32>,
+) -> Result<(), String> {
+    let identity = state.identity.lock().await;
+    let id = identity.as_ref().ok_or("no identity loaded")?;
+    let from_peer = id.peer_id.to_string();
+    drop(identity);
+
+    let voice_topic = gossip::topic_for_voice(&community_id, &channel_id);
+    let node_handle = state.node_handle.lock().await;
+    if let Some(ref handle) = *node_handle {
+        let msg = GossipMessage::VoiceIceCandidate {
+            community_id,
+            channel_id,
+            from_peer,
+            to_peer,
+            candidate,
+            sdp_mid,
+            sdp_mline_index,
+        };
+        let data =
+            serde_json::to_vec(&msg).map_err(|e| format!("serialize error: {}", e))?;
+        let _ = handle
+            .command_tx
+            .send(NodeCommand::SendMessage {
+                topic: voice_topic,
+                data,
+            })
+            .await;
+    }
+
+    Ok(())
+}
+
+#[tauri::command]
+pub async fn get_voice_participants(
+    state: State<'_, AppState>,
+    community_id: String,
+    channel_id: String,
+) -> Result<Vec<VoiceParticipant>, String> {
+    let key = format!("{}:{}", community_id, channel_id);
+    let vc = state.voice_channels.lock().await;
+    let participants = vc.get(&key).cloned().unwrap_or_default();
+    Ok(participants)
+}

src-tauri/src/crdt/document.rs

@@ -1,7 +1,7 @@
 use automerge::{transaction::Transactable, AutoCommit, ObjType, ReadDoc, ROOT};
 use std::time::{SystemTime, UNIX_EPOCH};
 
-use crate::protocol::community::{ChannelKind, ChannelMeta, CommunityMeta};
+use crate::protocol::community::{CategoryMeta, ChannelKind, ChannelMeta, CommunityMeta};
 use crate::protocol::messages::ChatMessage;
 
 // initialize a new community document with metadata and a default general channel
@@ -24,15 +24,20 @@ pub fn init_community_doc(
     doc.put(&meta, "created_at", now as i64)?;
 
     let channels = doc.put_object(ROOT, "channels", ObjType::Map)?;
+    let _categories = doc.put_object(ROOT, "categories", ObjType::Map)?;
     let members = doc.put_object(ROOT, "members", ObjType::Map)?;
     let _roles = doc.put_object(ROOT, "roles", ObjType::Map)?;
 
     // create a default general channel
-    let general_id = format!("ch_{}", &hex::encode(&sha2_hash(format!("{}_general", name).as_bytes()))[..12]);
+    let general_id = format!(
+        "ch_{}",
+        &hex::encode(&sha2_hash(format!("{}_general", name).as_bytes()))[..12]
+    );
     let general = doc.put_object(&channels, &general_id, ObjType::Map)?;
     doc.put(&general, "name", "general")?;
     doc.put(&general, "topic", "general discussion")?;
     doc.put(&general, "kind", "text")?;
+    doc.put(&general, "position", 0i64)?;
     let _messages = doc.put_object(&general, "messages", ObjType::List)?;
 
     // add the creator as the first member with owner role
@@ -55,6 +60,23 @@ pub fn add_channel(
         .map(|(_, id)| id)
         .ok_or_else(|| automerge::AutomergeError::InvalidObjId("channels not found".to_string()))?;
 
+    // calculate next position if channel.position is 0
+    let position = if channel.position == 0 {
+        let keys: Vec<String> = doc.keys(&channels).collect();
+        keys.iter()
+            .filter_map(|k| {
+                doc.get(&channels, k)
+                    .ok()
+                    .flatten()
+                    .and_then(|(_, id)| get_i64(doc, &id, "position"))
+            })
+            .max()
+            .map(|p| p + 1)
+            .unwrap_or(0) as u32
+    } else {
+        channel.position
+    };
+
     let ch = doc.put_object(&channels, &channel.id, ObjType::Map)?;
     doc.put(&ch, "name", channel.name.as_str())?;
     doc.put(&ch, "topic", channel.topic.as_str())?;
@@ -66,11 +88,93 @@ pub fn add_channel(
             ChannelKind::Voice => "voice",
         },
     )?;
+    doc.put(&ch, "position", position as i64)?;
+    if let Some(ref cat_id) = channel.category_id {
+        doc.put(&ch, "category_id", cat_id.as_str())?;
+    }
     let _messages = doc.put_object(&ch, "messages", ObjType::List)?;
 
     Ok(())
 }
 
+// add a new category to the community document
+pub fn add_category(
+    doc: &mut AutoCommit,
+    category: &CategoryMeta,
+) -> Result<(), automerge::AutomergeError> {
+    let categories = doc
+        .get(ROOT, "categories")?
+        .map(|(_, id)| id)
+        .ok_or_else(|| {
+            // backwards compat: create categories map if it doesnt exist yet
+            automerge::AutomergeError::InvalidObjId("categories not found".to_string())
+        });
+
+    let categories = match categories {
+        Ok(id) => id,
+        Err(_) => doc.put_object(ROOT, "categories", ObjType::Map)?,
+    };
+
+    // calculate next position if category.position is 0
+    let position = if category.position == 0 {
+        let keys: Vec<String> = doc.keys(&categories).collect();
+        keys.iter()
+            .filter_map(|k| {
+                doc.get(&categories, k)
+                    .ok()
+                    .flatten()
+                    .and_then(|(_, id)| get_i64(doc, &id, "position"))
+            })
+            .max()
+            .map(|p| p + 1)
+            .unwrap_or(0) as u32
+    } else {
+        category.position
+    };
+
+    let cat = doc.put_object(&categories, &category.id, ObjType::Map)?;
+    doc.put(&cat, "name", category.name.as_str())?;
+    doc.put(&cat, "position", position as i64)?;
+
+    Ok(())
+}
+
+// read all categories from the community document
+pub fn get_categories(doc: &AutoCommit, community_id: &str) -> Result<Vec<CategoryMeta>, String> {
+    let categories_obj = doc.get(ROOT, "categories").map_err(|e| e.to_string())?;
+
+    // backwards compat: older docs may not have categories
+    let categories_obj = match categories_obj {
+        Some((_, id)) => id,
+        None => return Ok(Vec::new()),
+    };
+
+    let mut result = Vec::new();
+    let keys = doc.keys(&categories_obj);
+
+    for key in keys {
+        let cat_obj = doc
+            .get(&categories_obj, &key)
+            .map_err(|e| e.to_string())?
+            .map(|(_, id)| id);
+
+        if let Some(cat_id) = cat_obj {
+            let name = get_str(doc, &cat_id, "name").unwrap_or_default();
+            let position = get_i64(doc, &cat_id, "position").unwrap_or(0) as u32;
+
+            result.push(CategoryMeta {
+                id: key.to_string(),
+                community_id: community_id.to_string(),
+                name,
+                position,
+            });
+        }
+    }
+
+    result.sort_by_key(|c| c.position);
+    Ok(result)
+}
+
 // read all channels from the community document
 pub fn get_channels(doc: &AutoCommit, community_id: &str) -> Result<Vec<ChannelMeta>, String> {
     let channels_obj = doc
@@ -96,6 +200,8 @@ pub fn get_channels(doc: &AutoCommit, community_id: &str) -> Result<Vec<ChannelM
                 "voice" => ChannelKind::Voice,
                 _ => ChannelKind::Text,
             };
+            let position = get_i64(doc, &ch_id, "position").unwrap_or(0) as u32;
+            let category_id = get_str(doc, &ch_id, "category_id");
 
             result.push(ChannelMeta {
                 id: key.to_string(),
@@ -103,10 +209,15 @@ pub fn get_channels(doc: &AutoCommit, community_id: &str) -> Result<Vec<ChannelM
                 name,
                 topic,
                 kind,
+                position,
+                category_id,
             });
         }
     }
 
+    // sort by position
+    result.sort_by_key(|c| c.position);
+
     Ok(result)
 }
 
@@ -227,6 +338,33 @@ pub fn get_community_meta(doc: &AutoCommit, community_id: &str) -> Result<Commun
     })
 }
 
+// reorder channels by updating their positions
+pub fn reorder_channels(
+    doc: &mut AutoCommit,
+    community_id: &str,
+    channel_ids: &[String],
+) -> Result<Vec<ChannelMeta>, String> {
+    let channels_obj = doc
+        .get(ROOT, "channels")
+        .map_err(|e| e.to_string())?
+        .map(|(_, id)| id)
+        .ok_or("channels key not found")?;
+
+    // update position for each channel
+    for (index, channel_id) in channel_ids.iter().enumerate() {
+        if let Some((_, ch_obj)) = doc
+            .get(&channels_obj, channel_id)
+            .map_err(|e| e.to_string())?
+        {
+            doc.put(&ch_obj, "position", index as i64)
+                .map_err(|e| e.to_string())?;
+        }
+    }
+
+    // return updated channels sorted by position
+    get_channels(doc, community_id)
+}
+
 // -- helpers for reading automerge values --
 
 fn get_str(doc: &AutoCommit, obj: &automerge::ObjId, key: &str) -> Option<String> {
@@ -270,7 +408,7 @@ pub fn get_message_by_id(
         .ok_or("channels key not found")?;
 
     let keys = doc.keys(&channels_obj);
-    
+
     for channel_key in keys {
         let ch_obj = doc
             .get(&channels_obj, &channel_key)
@@ -298,7 +436,8 @@ pub fn get_message_by_id(
                                 id: id.clone(),
                                 channel_id: channel_key.to_string(),
                                 author_id: get_str(doc, &msg_id, "author_id").unwrap_or_default(),
-                                author_name: get_str(doc, &msg_id, "author_name").unwrap_or_default(),
+                                author_name: get_str(doc, &msg_id, "author_name")
+                                    .unwrap_or_default(),
                                 content: get_str(doc, &msg_id, "content").unwrap_or_default(),
                                 timestamp: get_i64(doc, &msg_id, "timestamp").unwrap_or(0) as u64,
                                 edited: get_bool(doc, &msg_id, "edited").unwrap_or(false),
@@ -315,10 +454,7 @@ pub fn get_message_by_id(
 }
 
 // delete a message by id from any channel in the community
-pub fn delete_message_by_id(
-    doc: &mut AutoCommit,
-    message_id: &str,
-) -> Result<(), String> {
+pub fn delete_message_by_id(doc: &mut AutoCommit, message_id: &str) -> Result<(), String> {
     let channels_obj = doc
         .get(ROOT, "channels")
         .map_err(|e| e.to_string())?
@@ -326,7 +462,7 @@ pub fn delete_message_by_id(
         .ok_or("channels key not found")?;
 
     let keys: Vec<String> = doc.keys(&channels_obj).collect();
-    
+
     for channel_key in keys {
         let ch_obj = doc
             .get(&channels_obj, &channel_key)
@@ -350,8 +486,7 @@ pub fn delete_message_by_id(
                     if let Some(msg_obj_id) = msg_obj {
                         let id = get_str(doc, &msg_obj_id, "id").unwrap_or_default();
                         if id == message_id {
-                            doc.delete(&msgs_id, i)
-                                .map_err(|e| e.to_string())?;
+                            doc.delete(&msgs_id, i).map_err(|e| e.to_string())?;
                             return Ok(());
                         }
                     }
@@ -364,9 +499,7 @@ pub fn delete_message_by_id(
 }
 
 // get all members from the community document
-pub fn get_members(
-    doc: &AutoCommit,
-) -> Result<Vec<crate::protocol::community::Member>, String> {
+pub fn get_members(doc: &AutoCommit) -> Result<Vec<crate::protocol::community::Member>, String> {
     let members_obj = doc
         .get(ROOT, "members")
         .map_err(|e| e.to_string())?
@@ -385,7 +518,7 @@ pub fn get_members(
         if let Some(member_id) = member_obj {
             let display_name = get_str(doc, &member_id, "display_name").unwrap_or_default();
             let joined_at = get_i64(doc, &member_id, "joined_at").unwrap_or(0) as u64;
-            
+
             // get roles list
             let roles: Vec<String> = doc
                 .get(&member_id, "roles")
@@ -419,10 +552,7 @@ pub fn get_members(
 }
 
 // remove a member from the community
-pub fn remove_member(
-    doc: &mut AutoCommit,
-    peer_id: &str,
-) -> Result<(), String> {
+pub fn remove_member(doc: &mut AutoCommit, peer_id: &str) -> Result<(), String> {
     let members_obj = doc
         .get(ROOT, "members")
         .map_err(|e| e.to_string())?

src-tauri/src/crdt/mod.rs

@@ -6,7 +6,7 @@ use std::sync::Arc;
 
 use automerge::AutoCommit;
 
-use crate::protocol::community::{ChannelMeta, CommunityMeta};
+use crate::protocol::community::{CategoryMeta, ChannelMeta, CommunityMeta};
 use crate::protocol::messages::ChatMessage;
 use crate::storage::DiskStorage;
 
@@ -91,6 +91,50 @@ impl CrdtEngine {
         document::get_channels(doc, community_id)
     }
 
+    // reorder channels in a community
+    pub fn reorder_channels(
+        &mut self,
+        community_id: &str,
+        channel_ids: &[String],
+    ) -> Result<Vec<ChannelMeta>, String> {
+        let doc = self
+            .documents
+            .get_mut(community_id)
+            .ok_or("community not found")?;
+
+        let channels = document::reorder_channels(doc, community_id, channel_ids)?;
+        self.persist(community_id)?;
+        Ok(channels)
+    }
+
+    // add a category to a community
+    pub fn create_category(
+        &mut self,
+        community_id: &str,
+        category: &CategoryMeta,
+    ) -> Result<(), String> {
+        let doc = self
+            .documents
+            .get_mut(community_id)
+            .ok_or("community not found")?;
+
+        document::add_category(doc, category)
+            .map_err(|e| format!("failed to add category: {}", e))?;
+
+        self.persist(community_id)?;
+        Ok(())
+    }
+
+    // get all categories in a community
+    pub fn get_categories(&self, community_id: &str) -> Result<Vec<CategoryMeta>, String> {
+        let doc = self
+            .documents
+            .get(community_id)
+            .ok_or("community not found")?;
+
+        document::get_categories(doc, community_id)
+    }
+
     // append a message to a channel within a community
     pub fn append_message(
         &mut self,

src-tauri/src/lib.rs

@@ -3,12 +3,15 @@ mod crdt;
 mod node;
 mod protocol;
 mod storage;
+mod verification;
 
+use std::collections::HashMap;
 use std::sync::Arc;
 use tokio::sync::Mutex;
 
 use crate::crdt::CrdtEngine;
 use crate::protocol::identity::DuskIdentity;
+use crate::protocol::messages::VoiceParticipant;
 use crate::storage::DiskStorage;
 
 // shared application state accessible from all tauri commands
@@ -17,6 +20,8 @@ pub struct AppState {
     pub crdt_engine: Arc<Mutex<CrdtEngine>>,
     pub storage: Arc<DiskStorage>,
     pub node_handle: Arc<Mutex<Option<node::NodeHandle>>>,
+    // tracks which peers are in which voice channels, keyed by "community_id:channel_id"
+    pub voice_channels: Arc<Mutex<HashMap<String, Vec<VoiceParticipant>>>>,
 }
 
 impl AppState {
@@ -36,6 +41,7 @@ impl AppState {
             crdt_engine,
             storage,
             node_handle: Arc::new(Mutex::new(None)),
+            voice_channels: Arc::new(Mutex::new(HashMap::new())),
         }
     }
 }
@@ -48,6 +54,28 @@ pub fn run() {
     tauri::Builder::default()
         .plugin(tauri_plugin_shell::init())
         .manage(AppState::new())
+        .setup(|app| {
+            // grant microphone/camera permissions on linux webkitgtk
+            // without this, getUserMedia is denied by default
+            #[cfg(target_os = "linux")]
+            {
+                use tauri::Manager;
+                if let Some(window) = app.get_webview_window("main") {
+                    window
+                        .with_webview(|webview| {
+                            use webkit2gtk::PermissionRequestExt;
+                            use webkit2gtk::WebViewExt;
+                            let wv = webview.inner();
+                            wv.connect_permission_request(|_webview, request| {
+                                request.allow();
+                                true
+                            });
+                        })
+                        .ok();
+                }
+            }
+            Ok(())
+        })
         .invoke_handler(tauri::generate_handler![
             commands::identity::has_identity,
             commands::identity::load_identity,
@@ -67,6 +95,7 @@ pub fn run() {
             commands::chat::send_typing,
             commands::chat::start_node,
             commands::chat::stop_node,
+            commands::chat::check_internet_connectivity,
             commands::community::create_community,
             commands::community::join_community,
             commands::community::leave_community,
@@ -77,6 +106,22 @@ pub fn run() {
             commands::community::delete_message,
             commands::community::kick_member,
             commands::community::generate_invite,
+            commands::community::reorder_channels,
+            commands::community::create_category,
+            commands::community::get_categories,
+            commands::voice::join_voice_channel,
+            commands::voice::leave_voice_channel,
+            commands::voice::update_voice_media_state,
+            commands::voice::send_voice_sdp,
+            commands::voice::send_voice_ice_candidate,
+            commands::voice::get_voice_participants,
+            commands::dm::send_dm,
+            commands::dm::get_dm_messages,
+            commands::dm::get_dm_conversations,
+            commands::dm::mark_dm_read,
+            commands::dm::delete_dm_conversation,
+            commands::dm::send_dm_typing,
+            commands::dm::open_dm_conversation,
         ])
         .run(tauri::generate_context!())
         .expect("error while running dusk");

src-tauri/src/node/gossip.rs

@@ -32,3 +32,42 @@ pub fn topic_for_directory() -> String {
 pub fn topic_for_sync() -> String {
     "dusk/sync".to_string()
 }
+
+// voice signaling topic for webrtc sdp/ice exchange and presence
+pub fn topic_for_voice(community_id: &str, channel_id: &str) -> String {
+    format!(
+        "dusk/community/{}/channel/{}/voice",
+        community_id, channel_id
+    )
+}
+
+// personal inbox topic for receiving first-time dms from peers we haven't
+// subscribed to yet. every peer subscribes to their own inbox on startup.
+pub fn topic_for_dm_inbox(peer_id: &str) -> String {
+    format!("dusk/dm/inbox/{}", peer_id)
+}
+
+// dm topic between two peers, sorted alphabetically so both peers derive the same topic
+pub fn topic_for_dm(peer_a: &str, peer_b: &str) -> String {
+    let (first, second) = if peer_a < peer_b {
+        (peer_a, peer_b)
+    } else {
+        (peer_b, peer_a)
+    };
+    format!("dusk/dm/{}/{}", first, second)
+}
+
+// derive a stable conversation id from two peer ids
+pub fn dm_conversation_id(peer_a: &str, peer_b: &str) -> String {
+    let (first, second) = if peer_a < peer_b {
+        (peer_a, peer_b)
+    } else {
+        (peer_b, peer_a)
+    };
+    use std::collections::hash_map::DefaultHasher;
+    use std::hash::{Hash, Hasher};
+    let mut hasher = DefaultHasher::new();
+    first.hash(&mut hasher);
+    second.hash(&mut hasher);
+    format!("dm_{:016x}", hasher.finish())
+}

src-tauri/src/node/mod.rs

@@ -3,7 +3,7 @@ pub mod discovery;
 pub mod gossip;
 pub mod swarm;
 
-use std::collections::HashSet;
+use std::collections::{HashMap, HashSet};
 use std::sync::Arc;
 use tauri::async_runtime::JoinHandle;
 use tauri::Emitter;
@@ -11,12 +11,11 @@ use tokio::sync::Mutex;
 
 use crate::crdt::CrdtEngine;
 use crate::protocol::identity::DirectoryEntry;
+use crate::verification;
 
-// default relay address - override with DUSK_RELAY_ADDR env var
-// format: /ip4/<ip>/tcp/<port>/p2p/<peer_id>
-// left empty because 0.0.0.0 is a listen address, not a routable dial target.
-// users must set DUSK_RELAY_ADDR to a reachable relay for WAN connectivity.
-const DEFAULT_RELAY_ADDR: &str = "";
+// default public relay - override with DUSK_RELAY_ADDR env var
+const DEFAULT_RELAY_ADDR: &str =
+    "/dns4/relay.duskchat.app/tcp/4001/p2p/12D3KooWGQkCkACcibJPKzus7Q6U1aYngfTuS4gwYwmJkJJtrSaw";
 
 // relay reconnection parameters
 const RELAY_INITIAL_BACKOFF_SECS: u64 = 2;
@@ -24,6 +23,9 @@ const RELAY_MAX_BACKOFF_SECS: u64 = 120;
 const RELAY_BACKOFF_MULTIPLIER: u64 = 2;
 // max time to hold pending rendezvous registrations before discarding (10 min)
 const PENDING_QUEUE_TTL_SECS: u64 = 600;
+// grace period before warning the frontend about relay being down,
+// prevents banner flashing on transient disconnections
+const RELAY_WARN_GRACE_SECS: u64 = 8;
 
 // resolve the relay multiaddr from env or default
 fn relay_addr() -> Option<libp2p::Multiaddr> {
@@ -119,6 +121,50 @@ pub enum DuskEvent {
     },
     #[serde(rename = "profile_revoked")]
     ProfileRevoked { peer_id: String },
+    #[serde(rename = "relay_status")]
+    RelayStatus { connected: bool },
+    #[serde(rename = "voice_participant_joined")]
+    VoiceParticipantJoined {
+        community_id: String,
+        channel_id: String,
+        peer_id: String,
+        display_name: String,
+        media_state: crate::protocol::messages::VoiceMediaState,
+    },
+    #[serde(rename = "voice_participant_left")]
+    VoiceParticipantLeft {
+        community_id: String,
+        channel_id: String,
+        peer_id: String,
+    },
+    #[serde(rename = "voice_media_state_changed")]
+    VoiceMediaStateChanged {
+        community_id: String,
+        channel_id: String,
+        peer_id: String,
+        media_state: crate::protocol::messages::VoiceMediaState,
+    },
+    #[serde(rename = "voice_sdp_received")]
+    VoiceSdpReceived {
+        community_id: String,
+        channel_id: String,
+        from_peer: String,
+        sdp_type: String,
+        sdp: String,
+    },
+    #[serde(rename = "voice_ice_candidate_received")]
+    VoiceIceCandidateReceived {
+        community_id: String,
+        channel_id: String,
+        from_peer: String,
+        candidate: String,
+        sdp_mid: Option<String>,
+        sdp_mline_index: Option<u32>,
+    },
+    #[serde(rename = "dm_received")]
+    DMReceived(crate::protocol::messages::DirectMessage),
+    #[serde(rename = "dm_typing")]
+    DMTyping { peer_id: String },
 }
 
 // extract the community id from a gossipsub topic string
@@ -128,12 +174,17 @@ fn community_id_from_topic(topic: &str) -> Option<&str> {
         .and_then(|rest| rest.split('/').next())
 }
 
+// voice channel participant tracking type alias for readability
+pub type VoiceChannelMap =
+    Arc<Mutex<HashMap<String, Vec<crate::protocol::messages::VoiceParticipant>>>>;
+
 // start the p2p node on a background task
 pub async fn start(
     keypair: libp2p::identity::Keypair,
     crdt_engine: Arc<Mutex<CrdtEngine>>,
     storage: Arc<crate::storage::DiskStorage>,
     app_handle: tauri::AppHandle,
+    voice_channels: VoiceChannelMap,
 ) -> Result<NodeHandle, String> {
     let mut swarm_instance =
         swarm::build_swarm(&keypair).map_err(|e| format!("failed to build swarm: {}", e))?;
@@ -159,6 +210,9 @@ pub async fn start(
     let relay_peer_id = relay_multiaddr.as_ref().and_then(peer_id_from_multiaddr);
 
     // if a relay is configured, dial it immediately
+    // don't emit RelayStatus here -- the store defaults to connected=true so
+    // no warning shows during the initial handshake. the warning only appears
+    // if the dial actually fails (OutgoingConnectionError) or the connection drops.
     if let Some(ref addr) = relay_multiaddr {
         log::info!("dialing relay at {}", addr);
         if let Err(e) = swarm_instance.dial(addr.clone()) {
@@ -172,6 +226,10 @@ pub async fn start(
         // track connected peers for accurate count
         let mut connected_peers: HashSet<String> = HashSet::new();
 
+        // dedup set for dm message ids -- messages arrive on both the pair topic
+        // and inbox topic so we need to skip duplicates
+        let mut seen_dm_ids: HashSet<String> = HashSet::new();
+
         // track whether we have a relay reservation
         let mut relay_reservation_active = false;
 
@@ -193,6 +251,9 @@ pub async fn start(
 
         // relay reconnection state with exponential backoff
         let mut relay_backoff_secs = RELAY_INITIAL_BACKOFF_SECS;
+        // deferred warning timer -- only notify the frontend after the grace
+        // period expires so transient disconnections don't flash the banner
+        let mut relay_warn_at: Option<tokio::time::Instant> = None;
         // next instant at which we should attempt a relay reconnect
         let mut relay_retry_at: Option<tokio::time::Instant> = if relay_multiaddr.is_some() {
             // schedule initial retry in case the first dial failed synchronously
@@ -304,6 +365,18 @@ pub async fn start(
                                         });
                                     }
                                     crate::protocol::messages::GossipMessage::ProfileAnnounce(profile) => {
+                                        // reject announcements with invalid signatures
+                                        if !verification::verify_announcement(&profile.public_key, &profile) {
+                                            log::warn!("rejected unsigned/invalid profile from {}", profile.peer_id);
+                                            continue;
+                                        }
+
+                                        // reject unverified identities
+                                        if profile.verification_proof.is_none() {
+                                            log::warn!("rejected unverified profile from {}", profile.peer_id);
+                                            continue;
+                                        }
+
                                         // cache the peer profile in our local directory
                                         let entry = DirectoryEntry {
                                             peer_id: profile.peer_id.clone(),
@@ -326,6 +399,12 @@ pub async fn start(
                                         });
                                     }
                                     crate::protocol::messages::GossipMessage::ProfileRevoke(revocation) => {
+                                        // reject revocations with invalid signatures
+                                        if !verification::verify_revocation(&revocation.public_key, &revocation) {
+                                            log::warn!("rejected unsigned revocation for {}", revocation.peer_id);
+                                            continue;
+                                        }
+
                                         // peer is revoking their identity, remove them from our directory
                                         let _ = storage.remove_directory_entry(&revocation.peer_id);
 
@@ -333,6 +412,133 @@ pub async fn start(
                                             peer_id: revocation.peer_id,
                                         });
                                     }
+                                    crate::protocol::messages::GossipMessage::VoiceJoin {
+                                        community_id, channel_id, peer_id, display_name, media_state,
+                                    } => {
+                                        let participant = crate::protocol::messages::VoiceParticipant {
+                                            peer_id: peer_id.clone(),
+                                            display_name: display_name.clone(),
+                                            media_state: media_state.clone(),
+                                        };
+
+                                        // track the participant in shared voice state
+                                        let key = format!("{}:{}", community_id, channel_id);
+                                        let mut vc = voice_channels.lock().await;
+                                        let participants = vc.entry(key).or_insert_with(Vec::new);
+                                        // avoid duplicates if we receive a repeated join
+                                        participants.retain(|p| p.peer_id != peer_id);
+                                        participants.push(participant);
+                                        drop(vc);
+
+                                        let _ = app_handle.emit("dusk-event", DuskEvent::VoiceParticipantJoined {
+                                            community_id, channel_id, peer_id, display_name, media_state,
+                                        });
+                                    }
+                                    crate::protocol::messages::GossipMessage::VoiceLeave {
+                                        community_id, channel_id, peer_id,
+                                    } => {
+                                        let key = format!("{}:{}", community_id, channel_id);
+                                        let mut vc = voice_channels.lock().await;
+                                        if let Some(participants) = vc.get_mut(&key) {
+                                            participants.retain(|p| p.peer_id != peer_id);
+                                            if participants.is_empty() {
+                                                vc.remove(&key);
+                                            }
+                                        }
+                                        drop(vc);
+
+                                        let _ = app_handle.emit("dusk-event", DuskEvent::VoiceParticipantLeft {
+                                            community_id, channel_id, peer_id,
+                                        });
+                                    }
+                                    crate::protocol::messages::GossipMessage::VoiceMediaStateUpdate {
+                                        community_id, channel_id, peer_id, media_state,
+                                    } => {
+                                        // update tracked media state for this participant
+                                        let key = format!("{}:{}", community_id, channel_id);
+                                        let mut vc = voice_channels.lock().await;
+                                        if let Some(participants) = vc.get_mut(&key) {
+                                            if let Some(p) = participants.iter_mut().find(|p| p.peer_id == peer_id) {
+                                                p.media_state = media_state.clone();
+                                            }
+                                        }
+                                        drop(vc);
+
+                                        let _ = app_handle.emit("dusk-event", DuskEvent::VoiceMediaStateChanged {
+                                            community_id, channel_id, peer_id, media_state,
+                                        });
+                                    }
+                                    crate::protocol::messages::GossipMessage::VoiceSdp {
+                                        community_id, channel_id, from_peer, to_peer, sdp_type, sdp,
+                                    } => {
+                                        // only forward sdp messages addressed to us
+                                        let local_id = swarm_instance.local_peer_id().to_string();
+                                        if to_peer == local_id {
+                                            let _ = app_handle.emit("dusk-event", DuskEvent::VoiceSdpReceived {
+                                                community_id, channel_id, from_peer, sdp_type, sdp,
+                                            });
+                                        }
+                                    }
+                                    crate::protocol::messages::GossipMessage::VoiceIceCandidate {
+                                        community_id, channel_id, from_peer, to_peer, candidate, sdp_mid, sdp_mline_index,
+                                    } => {
+                                        // only forward ice candidates addressed to us
+                                        let local_id = swarm_instance.local_peer_id().to_string();
+                                        if to_peer == local_id {
+                                            let _ = app_handle.emit("dusk-event", DuskEvent::VoiceIceCandidateReceived {
+                                                community_id, channel_id, from_peer, candidate, sdp_mid, sdp_mline_index,
+                                            });
+                                        }
+                                    }
+                                    crate::protocol::messages::GossipMessage::DirectMessage(dm_msg) => {
+                                        // only process dms addressed to us (ignore our own echoes)
+                                        let local_id = swarm_instance.local_peer_id().to_string();
+                                        if dm_msg.to_peer == local_id {
+                                            // dedup: messages arrive on both the pair topic and inbox
+                                            // topic so skip if we've already processed this one
+                                            if !seen_dm_ids.insert(dm_msg.id.clone()) {
+                                                continue;
+                                            }
+                                            // cap the dedup set to prevent unbounded memory growth
+                                            if seen_dm_ids.len() > 10000 {
+                                                seen_dm_ids.clear();
+                                            }
+
+                                            // if this arrived on the inbox topic, the sender might be
+                                            // someone we've never dm'd before -- auto-subscribe to the
+                                            // pair topic so subsequent messages use the direct channel
+                                            if topic_str.starts_with("dusk/dm/inbox/") {
+                                                let pair_topic = gossip::topic_for_dm(&dm_msg.from_peer, &dm_msg.to_peer);
+                                                let ident_topic = libp2p::gossipsub::IdentTopic::new(pair_topic);
+                                                let _ = swarm_instance.behaviour_mut().gossipsub.subscribe(&ident_topic);
+                                            }
+
+                                            // persist the incoming message
+                                            let conversation_id = gossip::dm_conversation_id(&dm_msg.from_peer, &dm_msg.to_peer);
+                                            let _ = storage.append_dm_message(&conversation_id, &dm_msg);
+
+                                            // update or create conversation metadata
+                                            let existing = storage.load_dm_conversation(&conversation_id).ok();
+                                            let meta = crate::protocol::messages::DMConversationMeta {
+                                                peer_id: dm_msg.from_peer.clone(),
+                                                display_name: dm_msg.from_display_name.clone(),
+                                                last_message: Some(dm_msg.content.clone()),
+                                                last_message_time: Some(dm_msg.timestamp),
+                                                unread_count: existing.map(|m| m.unread_count + 1).unwrap_or(1),
+                                            };
+                                            let _ = storage.save_dm_conversation(&conversation_id, &meta);
+
+                                            let _ = app_handle.emit("dusk-event", DuskEvent::DMReceived(dm_msg));
+                                        }
+                                    }
+                                    crate::protocol::messages::GossipMessage::DMTyping(indicator) => {
+                                        let local_id = swarm_instance.local_peer_id().to_string();
+                                        if indicator.to_peer == local_id {
+                                            let _ = app_handle.emit("dusk-event", DuskEvent::DMTyping {
+                                                peer_id: indicator.from_peer,
+                                            });
+                                        }
+                                    }
                                 }
                             }
                         }
@@ -388,6 +594,8 @@ pub async fn start(
                         )) => {
                             log::info!("relay reservation accepted by {}", relay_peer_id);
                             relay_reservation_active = true;
+                            relay_warn_at = None;
+                            let _ = app_handle.emit("dusk-event", DuskEvent::RelayStatus { connected: true });
 
                             // now that we have a relay reservation, process any pending
                             // rendezvous registrations that were queued before the relay was ready
@@ -487,6 +695,13 @@ pub async fn start(
                                 if Some(failed_peer) == relay_peer {
                                     log::warn!("failed to connect to relay: {}", error);
                                     log::info!("scheduling relay reconnect in {}s", relay_backoff_secs);
+                                    // defer the warning so transient failures don't flash the banner
+                                    if relay_warn_at.is_none() {
+                                        relay_warn_at = Some(
+                                            tokio::time::Instant::now()
+                                                + std::time::Duration::from_secs(RELAY_WARN_GRACE_SECS),
+                                        );
+                                    }
                                     relay_retry_at = Some(
                                         tokio::time::Instant::now() + std::time::Duration::from_secs(relay_backoff_secs),
                                     );
@@ -516,8 +731,11 @@ pub async fn start(
                             if Some(peer_id) == relay_peer && !relay_reservation_active {
                                 // reset backoff on successful connection
                                 relay_backoff_secs = RELAY_INITIAL_BACKOFF_SECS;
-                                // cancel any pending retry
+                                // cancel any pending retry and deferred warning
                                 relay_retry_at = None;
+                                relay_warn_at = None;
+                                // clear the banner if it was already showing
+                                let _ = app_handle.emit("dusk-event", DuskEvent::RelayStatus { connected: true });
 
                                 if let Some(ref addr) = relay_multiaddr {
                                     let relay_circuit_addr = addr.clone()
@@ -543,6 +761,33 @@ pub async fn start(
                         libp2p::swarm::SwarmEvent::ConnectionClosed { peer_id, num_established, .. } => {
                             if num_established == 0 {
                                 connected_peers.remove(&peer_id.to_string());
+
+                                // remove disconnected peer from all voice channels and notify frontend
+                                let peer_id_str = peer_id.to_string();
+                                let mut vc = voice_channels.lock().await;
+                                let mut empty_keys = Vec::new();
+                                for (key, participants) in vc.iter_mut() {
+                                    let before_len = participants.len();
+                                    participants.retain(|p| p.peer_id != peer_id_str);
+                                    if participants.len() < before_len {
+                                        // parse the key back into community_id and channel_id
+                                        if let Some((cid, chid)) = key.split_once(':') {
+                                            let _ = app_handle.emit("dusk-event", DuskEvent::VoiceParticipantLeft {
+                                                community_id: cid.to_string(),
+                                                channel_id: chid.to_string(),
+                                                peer_id: peer_id_str.clone(),
+                                            });
+                                        }
+                                    }
+                                    if participants.is_empty() {
+                                        empty_keys.push(key.clone());
+                                    }
+                                }
+                                for key in empty_keys {
+                                    vc.remove(&key);
+                                }
+                                drop(vc);
+
                                 let _ = app_handle.emit("dusk-event", DuskEvent::PeerDisconnected {
                                     peer_id: peer_id.to_string(),
                                 });
@@ -556,6 +801,13 @@ pub async fn start(
                                 if Some(peer_id) == relay_peer {
                                     relay_reservation_active = false;
                                     log::warn!("lost connection to relay, scheduling reconnect in {}s", relay_backoff_secs);
+                                    // defer the warning so quick reconnections don't flash the banner
+                                    if relay_warn_at.is_none() {
+                                        relay_warn_at = Some(
+                                            tokio::time::Instant::now()
+                                                + std::time::Duration::from_secs(RELAY_WARN_GRACE_SECS),
+                                        );
+                                    }
 
                                     relay_retry_at = Some(
                                         tokio::time::Instant::now() + std::time::Duration::from_secs(relay_backoff_secs),
@@ -626,6 +878,18 @@ pub async fn start(
                     }
                 }
 
+                // deferred relay warning -- only tell the frontend after the grace
+                // period so transient disconnections don't flash the banner
+                _ = tokio::time::sleep_until(
+                    relay_warn_at.unwrap_or_else(|| tokio::time::Instant::now() + std::time::Duration::from_secs(86400))
+                ), if relay_warn_at.is_some() => {
+                    relay_warn_at = None;
+                    // grace period expired and we still don't have a relay connection
+                    if !relay_reservation_active {
+                        let _ = app_handle.emit("dusk-event", DuskEvent::RelayStatus { connected: false });
+                    }
+                }
+
                 cmd = command_rx.recv() => {
                     match cmd {
                         Some(NodeCommand::Shutdown) | None => break,

src-tauri/src/node/swarm.rs

@@ -41,6 +41,8 @@ pub fn build_swarm(
             noise::Config::new,
             yamux::Config::default,
         )?
+        // resolve dns4/dns6 multiaddrs (needed for relay.duskchat.app)
+        .with_dns()?
         // add relay client transport so we can connect through relay circuits
         .with_relay_client(noise::Config::new, yamux::Config::default)?
         .with_behaviour(|key, relay_client| {
@@ -71,10 +73,11 @@ pub fn build_swarm(
                 kademlia,
                 mdns,
                 identify,
-                ping: ping::Behaviour::default(),
+                // ping every 30s to keep the relay connection alive
+                ping: ping::Behaviour::new(ping::Config::new().with_interval(Duration::from_secs(30))),
             }
         })?
-        .with_swarm_config(|cfg| cfg.with_idle_connection_timeout(Duration::from_secs(60)))
+        .with_swarm_config(|cfg| cfg.with_idle_connection_timeout(Duration::from_secs(300)))
         .build();
 
     Ok(swarm)

src-tauri/src/protocol/community.rs

@@ -9,6 +9,15 @@ pub struct CommunityMeta {
     pub created_at: u64,
 }
 
+// user-defined grouping for channels within a community
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct CategoryMeta {
+    pub id: String,
+    pub community_id: String,
+    pub name: String,
+    pub position: u32,
+}
+
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct ChannelMeta {
     pub id: String,
@@ -16,6 +25,9 @@ pub struct ChannelMeta {
     pub name: String,
     pub topic: String,
     pub kind: ChannelKind,
+    pub position: u32,
+    // channels without a category sit at the top level
+    pub category_id: Option<String>,
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]

src-tauri/src/protocol/identity.rs

@@ -11,6 +11,7 @@ pub struct DuskIdentity {
     pub display_name: String,
     pub bio: String,
     pub created_at: u64,
+    pub verification_proof: Option<VerificationProof>,
 }
 
 impl DuskIdentity {
@@ -29,6 +30,7 @@ impl DuskIdentity {
             display_name: display_name.to_string(),
             bio: bio.to_string(),
             created_at,
+            verification_proof: None,
         }
     }
 
@@ -44,6 +46,7 @@ impl DuskIdentity {
         let peer_id = PeerId::from(keypair.public());
 
         let profile = storage.load_profile().unwrap_or_default();
+        let verification_proof = storage.load_verification_proof().ok().flatten();
 
         Ok(Self {
             keypair,
@@ -51,6 +54,7 @@ impl DuskIdentity {
             display_name: profile.display_name,
             bio: profile.bio,
             created_at: profile.created_at,
+            verification_proof,
         })
     }
 
@@ -86,6 +90,7 @@ impl DuskIdentity {
             public_key: hex::encode(public_key_bytes),
             bio: self.bio.clone(),
             created_at: self.created_at,
+            verification_proof: self.verification_proof.clone(),
         }
     }
 }
@@ -97,6 +102,17 @@ pub struct PublicIdentity {
     pub public_key: String,
     pub bio: String,
     pub created_at: u64,
+    pub verification_proof: Option<VerificationProof>,
+}
+
+// cryptographic proof that the identity was created through human verification
+// the signature binds this proof to a specific keypair so it cannot be reused
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct VerificationProof {
+    pub metrics_hash: String,
+    pub signature: String,
+    pub timestamp: u64,
+    pub score: f64,
 }
 
 // profile data stored on disk alongside the keypair

src-tauri/src/protocol/messages.rs

@@ -1,5 +1,7 @@
 use serde::{Deserialize, Serialize};
 
+use super::identity::VerificationProof;
+
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct ChatMessage {
     pub id: String,
@@ -34,6 +36,8 @@ pub enum PeerStatus {
 }
 
 // peer profile announcement broadcast on the directory topic
+// includes a verification proof and a signature over all fields
+// so peers can reject unverified or spoofed identities
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct ProfileAnnouncement {
     pub peer_id: String,
@@ -41,14 +45,64 @@ pub struct ProfileAnnouncement {
     pub bio: String,
     pub public_key: String,
     pub timestamp: u64,
+    pub verification_proof: Option<VerificationProof>,
+    pub signature: String,
 }
 
 // broadcast when a user resets their identity, tells peers to purge their data
+// signed to prevent unauthorized revocation of another peer's identity
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct ProfileRevocation {
     pub peer_id: String,
     pub public_key: String,
     pub timestamp: u64,
+    pub signature: String,
+}
+
+// media state for a participant in a voice channel
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct VoiceMediaState {
+    pub muted: bool,
+    pub deafened: bool,
+    pub video_enabled: bool,
+    pub screen_sharing: bool,
+}
+
+// a peer currently connected to a voice channel
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct VoiceParticipant {
+    pub peer_id: String,
+    pub display_name: String,
+    pub media_state: VoiceMediaState,
+}
+
+// a direct message between two peers
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct DirectMessage {
+    pub id: String,
+    pub from_peer: String,
+    pub to_peer: String,
+    pub from_display_name: String,
+    pub content: String,
+    pub timestamp: u64,
+}
+
+// typing indicator scoped to a dm conversation
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct DMTypingIndicator {
+    pub from_peer: String,
+    pub to_peer: String,
+    pub timestamp: u64,
+}
+
+// metadata for a persisted dm conversation
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct DMConversationMeta {
+    pub peer_id: String,
+    pub display_name: String,
+    pub last_message: Option<String>,
+    pub last_message_time: Option<u64>,
+    pub unread_count: u32,
 }
 
 // envelope for all gossipsub-published messages
@@ -58,8 +112,49 @@ pub enum GossipMessage {
     Typing(TypingIndicator),
     Presence(PresenceUpdate),
     MetaUpdate(super::community::CommunityMeta),
-    DeleteMessage { message_id: String },
-    MemberKicked { peer_id: String },
+    DeleteMessage {
+        message_id: String,
+    },
+    MemberKicked {
+        peer_id: String,
+    },
     ProfileAnnounce(ProfileAnnouncement),
     ProfileRevoke(ProfileRevocation),
+    DirectMessage(DirectMessage),
+    DMTyping(DMTypingIndicator),
+    VoiceJoin {
+        community_id: String,
+        channel_id: String,
+        peer_id: String,
+        display_name: String,
+        media_state: VoiceMediaState,
+    },
+    VoiceLeave {
+        community_id: String,
+        channel_id: String,
+        peer_id: String,
+    },
+    VoiceMediaStateUpdate {
+        community_id: String,
+        channel_id: String,
+        peer_id: String,
+        media_state: VoiceMediaState,
+    },
+    VoiceSdp {
+        community_id: String,
+        channel_id: String,
+        from_peer: String,
+        to_peer: String,
+        sdp_type: String,
+        sdp: String,
+    },
+    VoiceIceCandidate {
+        community_id: String,
+        channel_id: String,
+        from_peer: String,
+        to_peer: String,
+        candidate: String,
+        sdp_mid: Option<String>,
+        sdp_mline_index: Option<u32>,
+    },
 }

src-tauri/src/storage/disk.rs

@@ -6,7 +6,8 @@ use std::io;
 use std::path::PathBuf;
 
 use crate::protocol::community::CommunityMeta;
-use crate::protocol::identity::{DirectoryEntry, ProfileData};
+use crate::protocol::identity::{DirectoryEntry, ProfileData, VerificationProof};
+use crate::protocol::messages::{DMConversationMeta, DirectMessage};
 
 // user settings that persist across sessions
 #[derive(Debug, Clone, Serialize, Deserialize)]
@@ -56,6 +57,7 @@ impl DiskStorage {
         fs::create_dir_all(base_dir.join("identity"))?;
         fs::create_dir_all(base_dir.join("communities"))?;
         fs::create_dir_all(base_dir.join("directory"))?;
+        fs::create_dir_all(base_dir.join("dms"))?;
 
         Ok(Self { base_dir })
     }
@@ -110,6 +112,25 @@ impl DiskStorage {
         self.base_dir.join("identity/keypair.bin").exists()
     }
 
+    // -- verification proof --
+
+    pub fn save_verification_proof(&self, proof: &VerificationProof) -> Result<(), io::Error> {
+        let json = serde_json::to_string_pretty(proof)
+            .map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e))?;
+        fs::write(self.base_dir.join("identity/verification.json"), json)
+    }
+
+    pub fn load_verification_proof(&self) -> Result<Option<VerificationProof>, io::Error> {
+        let path = self.base_dir.join("identity/verification.json");
+        if !path.exists() {
+            return Ok(None);
+        }
+        let data = fs::read_to_string(path)?;
+        let proof = serde_json::from_str(&data)
+            .map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e))?;
+        Ok(Some(proof))
+    }
+
     // -- automerge documents --
 
     pub fn save_document(&self, community_id: &str, doc_bytes: &[u8]) -> Result<(), io::Error> {
@@ -225,7 +246,131 @@ impl DiskStorage {
         }
     }
 
-    // wipe all user data - identity, communities, directory, settings
+    // -- direct messages --
+
+    // save a dm conversation's metadata
+    pub fn save_dm_conversation(
+        &self,
+        conversation_id: &str,
+        meta: &DMConversationMeta,
+    ) -> Result<(), io::Error> {
+        let dir = self.base_dir.join(format!("dms/{}", conversation_id));
+        fs::create_dir_all(&dir)?;
+        let json = serde_json::to_string_pretty(meta)
+            .map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e))?;
+        fs::write(dir.join("meta.json"), json)
+    }
+
+    // load a single dm conversation's metadata
+    pub fn load_dm_conversation(
+        &self,
+        conversation_id: &str,
+    ) -> Result<DMConversationMeta, io::Error> {
+        let path = self
+            .base_dir
+            .join(format!("dms/{}/meta.json", conversation_id));
+        let data = fs::read_to_string(path)?;
+        serde_json::from_str(&data).map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e))
+    }
+
+    // load all dm conversations
+    pub fn load_all_dm_conversations(
+        &self,
+    ) -> Result<Vec<(String, DMConversationMeta)>, io::Error> {
+        let dms_dir = self.base_dir.join("dms");
+        if !dms_dir.exists() {
+            return Ok(Vec::new());
+        }
+
+        let mut conversations = Vec::new();
+        for entry in fs::read_dir(dms_dir)? {
+            let entry = entry?;
+            if entry.file_type()?.is_dir() {
+                if let Some(conv_id) = entry.file_name().to_str() {
+                    let meta_path = entry.path().join("meta.json");
+                    if meta_path.exists() {
+                        if let Ok(data) = fs::read_to_string(&meta_path) {
+                            if let Ok(meta) = serde_json::from_str::<DMConversationMeta>(&data) {
+                                conversations.push((conv_id.to_string(), meta));
+                            }
+                        }
+                    }
+                }
+            }
+        }
+        Ok(conversations)
+    }
+
+    // remove a dm conversation and all its messages
+    pub fn remove_dm_conversation(&self, conversation_id: &str) -> Result<(), io::Error> {
+        let dir = self.base_dir.join(format!("dms/{}", conversation_id));
+        if dir.exists() {
+            fs::remove_dir_all(&dir)?;
+        }
+        Ok(())
+    }
+
+    // append a message to a dm conversation's message log
+    pub fn append_dm_message(
+        &self,
+        conversation_id: &str,
+        message: &DirectMessage,
+    ) -> Result<(), io::Error> {
+        let dir = self.base_dir.join(format!("dms/{}", conversation_id));
+        fs::create_dir_all(&dir)?;
+
+        let messages_path = dir.join("messages.json");
+        let mut messages: Vec<DirectMessage> = if messages_path.exists() {
+            let data = fs::read_to_string(&messages_path)?;
+            serde_json::from_str(&data).unwrap_or_default()
+        } else {
+            Vec::new()
+        };
+
+        messages.push(message.clone());
+
+        let json = serde_json::to_string_pretty(&messages)
+            .map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e))?;
+        fs::write(&messages_path, json)
+    }
+
+    // load dm messages with optional pagination
+    pub fn load_dm_messages(
+        &self,
+        conversation_id: &str,
+        before: Option<u64>,
+        limit: usize,
+    ) -> Result<Vec<DirectMessage>, io::Error> {
+        let messages_path = self
+            .base_dir
+            .join(format!("dms/{}/messages.json", conversation_id));
+        if !messages_path.exists() {
+            return Ok(Vec::new());
+        }
+
+        let data = fs::read_to_string(&messages_path)?;
+        let messages: Vec<DirectMessage> = serde_json::from_str(&data)
+            .map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e))?;
+
+        let filtered: Vec<DirectMessage> = if let Some(before_ts) = before {
+            messages
+                .into_iter()
+                .filter(|m| m.timestamp < before_ts)
+                .collect()
+        } else {
+            messages
+        };
+
+        // return the last `limit` messages (most recent)
+        let start = if filtered.len() > limit {
+            filtered.len() - limit
+        } else {
+            0
+        };
+        Ok(filtered[start..].to_vec())
+    }
+
+    // wipe all user data - identity, communities, directory, dms, settings
     // used when resetting identity to leave no traces on this client
     pub fn wipe_all_data(&self) -> Result<(), io::Error> {
         let identity_dir = self.base_dir.join("identity");
@@ -243,10 +388,16 @@ impl DiskStorage {
             fs::remove_dir_all(&directory_dir)?;
         }
 
+        let dms_dir = self.base_dir.join("dms");
+        if dms_dir.exists() {
+            fs::remove_dir_all(&dms_dir)?;
+        }
+
         // recreate the directory tree so the app can still function
         fs::create_dir_all(self.base_dir.join("identity"))?;
         fs::create_dir_all(self.base_dir.join("communities"))?;
         fs::create_dir_all(self.base_dir.join("directory"))?;
+        fs::create_dir_all(self.base_dir.join("dms"))?;
 
         Ok(())
     }

src-tauri/src/verification/mod.rs

@@ -0,0 +1,436 @@
+use std::time::{SystemTime, UNIX_EPOCH};
+
+use libp2p::identity;
+use serde::{Deserialize, Serialize};
+use sha2::{Digest, Sha256};
+
+use crate::protocol::identity::VerificationProof;
+use crate::protocol::messages::{ProfileAnnouncement, ProfileRevocation};
+
+// -- challenge data structures received from the frontend --
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct MouseSample {
+    pub x: f64,
+    pub y: f64,
+    pub t: f64,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct SegmentData {
+    pub from_target: u32,
+    pub to_target: u32,
+    pub samples: Vec<MouseSample>,
+    pub click_time: f64,
+    pub start_time: f64,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct TargetCircle {
+    pub id: u32,
+    pub x: f64,
+    pub y: f64,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct ChallengeSubmission {
+    pub segments: Vec<SegmentData>,
+    pub circles: Vec<TargetCircle>,
+    pub total_start_time: f64,
+    pub total_end_time: f64,
+}
+
+pub struct AnalysisResult {
+    pub is_human: bool,
+    pub score: f64,
+}
+
+const HUMAN_THRESHOLD: f64 = 0.35;
+
+// -- behavioral analysis functions --
+// these mirror the typescript implementations exactly, running in compiled rust
+// so the analysis logic is not exposed in the inspectable webview
+
+fn score_timing_variance(segments: &[SegmentData]) -> f64 {
+    if segments.len() < 2 {
+        return 0.0;
+    }
+
+    let intervals: Vec<f64> = segments.iter().map(|s| s.click_time - s.start_time).collect();
+    let mean = intervals.iter().sum::<f64>() / intervals.len() as f64;
+    if mean == 0.0 {
+        return 0.0;
+    }
+
+    let variance = intervals.iter().map(|v| (v - mean).powi(2)).sum::<f64>() / intervals.len() as f64;
+    let cv = variance.sqrt() / mean;
+
+    // humans have natural variance in click timing
+    // bots tend to be metronomic or instantaneous
+    if cv < 0.03 {
+        0.0
+    } else if cv < 0.08 {
+        0.3
+    } else if cv < 0.12 {
+        0.6
+    } else {
+        1.0
+    }
+}
+
+fn score_path_curvature(segments: &[SegmentData]) -> f64 {
+    let mut ratios = Vec::new();
+
+    for seg in segments {
+        if seg.samples.len() < 3 {
+            continue;
+        }
+
+        let first = &seg.samples[0];
+        let last = &seg.samples[seg.samples.len() - 1];
+        let straight_dist = ((last.x - first.x).powi(2) + (last.y - first.y).powi(2)).sqrt();
+
+        // skip very short movements where curvature is meaningless
+        if straight_dist < 10.0 {
+            continue;
+        }
+
+        let mut path_length = 0.0;
+        for i in 1..seg.samples.len() {
+            let dx = seg.samples[i].x - seg.samples[i - 1].x;
+            let dy = seg.samples[i].y - seg.samples[i - 1].y;
+            path_length += (dx * dx + dy * dy).sqrt();
+        }
+
+        ratios.push(path_length / straight_dist);
+    }
+
+    if ratios.is_empty() {
+        return 0.0;
+    }
+
+    let avg_ratio = ratios.iter().sum::<f64>() / ratios.len() as f64;
+
+    // humans never move in perfectly straight lines
+    if avg_ratio < 1.02 {
+        0.0
+    } else if avg_ratio < 1.06 {
+        0.3
+    } else if avg_ratio < 1.10 {
+        0.6
+    } else if avg_ratio > 4.0 {
+        0.5
+    } else {
+        1.0
+    }
+}
+
+fn score_speed_variance(segments: &[SegmentData]) -> f64 {
+    let mut all_speed_cvs = Vec::new();
+
+    for seg in segments {
+        if seg.samples.len() < 5 {
+            continue;
+        }
+
+        let mut speeds = Vec::new();
+        for i in 1..seg.samples.len() {
+            let dx = seg.samples[i].x - seg.samples[i - 1].x;
+            let dy = seg.samples[i].y - seg.samples[i - 1].y;
+            let dt = seg.samples[i].t - seg.samples[i - 1].t;
+            if dt > 0.0 {
+                speeds.push((dx * dx + dy * dy).sqrt() / dt);
+            }
+        }
+
+        if speeds.len() < 3 {
+            continue;
+        }
+
+        let mean = speeds.iter().sum::<f64>() / speeds.len() as f64;
+        if mean == 0.0 {
+            continue;
+        }
+
+        let variance = speeds.iter().map(|v| (v - mean).powi(2)).sum::<f64>() / speeds.len() as f64;
+        let cv = variance.sqrt() / mean;
+        all_speed_cvs.push(cv);
+    }
+
+    if all_speed_cvs.is_empty() {
+        return 0.0;
+    }
+
+    let avg_cv = all_speed_cvs.iter().sum::<f64>() / all_speed_cvs.len() as f64;
+
+    // humans accelerate and decelerate naturally
+    if avg_cv < 0.1 {
+        0.0
+    } else if avg_cv < 0.25 {
+        0.4
+    } else if avg_cv < 0.4 {
+        0.7
+    } else {
+        1.0
+    }
+}
+
+fn score_approach_jitter(segments: &[SegmentData], circles: &[TargetCircle]) -> f64 {
+    let mut jitter_scores = Vec::new();
+
+    for (i, seg) in segments.iter().enumerate() {
+        if i >= circles.len() || seg.samples.len() < 5 {
+            continue;
+        }
+
+        let target = &circles[i];
+
+        // isolate the last stretch approaching the target
+        let approach_samples: Vec<&MouseSample> = seg
+            .samples
+            .iter()
+            .filter(|s| {
+                let dx = s.x - target.x;
+                let dy = s.y - target.y;
+                (dx * dx + dy * dy).sqrt() < 60.0
+            })
+            .collect();
+
+        if approach_samples.len() < 4 {
+            continue;
+        }
+
+        // count direction changes via cross product sign flips
+        let mut direction_changes = 0u32;
+        for j in 2..approach_samples.len() {
+            let dx1 = approach_samples[j - 1].x - approach_samples[j - 2].x;
+            let dy1 = approach_samples[j - 1].y - approach_samples[j - 2].y;
+            let dx2 = approach_samples[j].x - approach_samples[j - 1].x;
+            let dy2 = approach_samples[j].y - approach_samples[j - 1].y;
+
+            let cross = dx1 * dy2 - dy1 * dx2;
+            if j > 2 {
+                let prev_dx1 = approach_samples[j - 2].x - approach_samples[j - 3].x;
+                let prev_dy1 = approach_samples[j - 2].y - approach_samples[j - 3].y;
+                let prev_cross = prev_dx1 * dy1 - prev_dy1 * dx1;
+                if cross * prev_cross < 0.0 {
+                    direction_changes += 1;
+                }
+            }
+        }
+
+        let jitter_ratio = direction_changes as f64 / (approach_samples.len() - 2).max(1) as f64;
+        jitter_scores.push(jitter_ratio);
+    }
+
+    // not enough data to judge, give a neutral score
+    if jitter_scores.is_empty() {
+        return 0.5;
+    }
+
+    let avg_jitter = jitter_scores.iter().sum::<f64>() / jitter_scores.len() as f64;
+
+    // humans have micro-corrections from motor noise
+    if avg_jitter < 0.01 {
+        0.2
+    } else if avg_jitter < 0.05 {
+        0.5
+    } else {
+        1.0
+    }
+}
+
+fn score_overall_timing(total_start: f64, total_end: f64) -> f64 {
+    let total_sec = (total_end - total_start) / 1000.0;
+
+    if total_sec < 0.8 {
+        0.0
+    } else if total_sec < 1.5 {
+        0.3
+    } else if total_sec > 60.0 {
+        0.5
+    } else {
+        1.0
+    }
+}
+
+pub fn analyze_challenge(data: &ChallengeSubmission) -> AnalysisResult {
+    let timing = score_timing_variance(&data.segments);
+    let curvature = score_path_curvature(&data.segments);
+    let speed = score_speed_variance(&data.segments);
+    let jitter = score_approach_jitter(&data.segments, &data.circles);
+    let overall = score_overall_timing(data.total_start_time, data.total_end_time);
+
+    let score = timing * 0.25 + curvature * 0.25 + speed * 0.20 + jitter * 0.20 + overall * 0.10;
+
+    AnalysisResult {
+        is_human: score >= HUMAN_THRESHOLD,
+        score,
+    }
+}
+
+// -- proof generation --
+
+pub fn generate_proof(
+    challenge: &ChallengeSubmission,
+    keypair: &identity::Keypair,
+    peer_id: &str,
+) -> Result<VerificationProof, String> {
+    let result = analyze_challenge(challenge);
+    if !result.is_human {
+        return Err("behavioral analysis did not pass human threshold".to_string());
+    }
+
+    // hash the raw challenge data to create a fingerprint
+    let challenge_bytes =
+        serde_json::to_vec(challenge).map_err(|e| format!("failed to serialize challenge: {}", e))?;
+    let mut hasher = Sha256::new();
+    hasher.update(&challenge_bytes);
+    let metrics_hash = hex::encode(hasher.finalize());
+
+    let timestamp = SystemTime::now()
+        .duration_since(UNIX_EPOCH)
+        .unwrap()
+        .as_millis() as u64;
+
+    // sign (metrics_hash || peer_id || timestamp) to bind the proof to this keypair
+    let sign_payload = format!("{}||{}||{}", metrics_hash, peer_id, timestamp);
+    let signature = keypair
+        .sign(sign_payload.as_bytes())
+        .map_err(|e| format!("failed to sign proof: {}", e))?;
+
+    Ok(VerificationProof {
+        metrics_hash,
+        signature: hex::encode(signature),
+        timestamp,
+        score: result.score,
+    })
+}
+
+// -- profile announcement signing --
+
+// build the canonical payload that gets signed for an announcement
+fn announcement_sign_payload(
+    peer_id: &str,
+    display_name: &str,
+    bio: &str,
+    public_key: &str,
+    timestamp: u64,
+    metrics_hash: &str,
+) -> Vec<u8> {
+    format!(
+        "dusk-announce||{}||{}||{}||{}||{}||{}",
+        peer_id, display_name, bio, public_key, timestamp, metrics_hash
+    )
+    .into_bytes()
+}
+
+pub fn sign_announcement(keypair: &identity::Keypair, announcement: &ProfileAnnouncement) -> String {
+    let metrics_hash = announcement
+        .verification_proof
+        .as_ref()
+        .map(|p| p.metrics_hash.as_str())
+        .unwrap_or("");
+
+    let payload = announcement_sign_payload(
+        &announcement.peer_id,
+        &announcement.display_name,
+        &announcement.bio,
+        &announcement.public_key,
+        announcement.timestamp,
+        metrics_hash,
+    );
+
+    match keypair.sign(&payload) {
+        Ok(sig) => hex::encode(sig),
+        Err(e) => {
+            log::error!("failed to sign announcement: {}", e);
+            String::new()
+        }
+    }
+}
+
+pub fn verify_announcement(public_key_hex: &str, announcement: &ProfileAnnouncement) -> bool {
+    let pk_bytes = match hex::decode(public_key_hex) {
+        Ok(b) => b,
+        Err(_) => return false,
+    };
+
+    let public_key = match identity::PublicKey::try_decode_protobuf(&pk_bytes) {
+        Ok(pk) => pk,
+        Err(_) => return false,
+    };
+
+    let sig_bytes = match hex::decode(&announcement.signature) {
+        Ok(b) => b,
+        Err(_) => return false,
+    };
+
+    let metrics_hash = announcement
+        .verification_proof
+        .as_ref()
+        .map(|p| p.metrics_hash.as_str())
+        .unwrap_or("");
+
+    let payload = announcement_sign_payload(
+        &announcement.peer_id,
+        &announcement.display_name,
+        &announcement.bio,
+        &announcement.public_key,
+        announcement.timestamp,
+        metrics_hash,
+    );
+
+    public_key.verify(&payload, &sig_bytes)
+}
+
+// -- profile revocation signing --
+
+fn revocation_sign_payload(peer_id: &str, public_key: &str, timestamp: u64) -> Vec<u8> {
+    format!("dusk-revoke||{}||{}||{}", peer_id, public_key, timestamp).into_bytes()
+}
+
+pub fn sign_revocation(keypair: &identity::Keypair, revocation: &ProfileRevocation) -> String {
+    let payload = revocation_sign_payload(
+        &revocation.peer_id,
+        &revocation.public_key,
+        revocation.timestamp,
+    );
+
+    match keypair.sign(&payload) {
+        Ok(sig) => hex::encode(sig),
+        Err(e) => {
+            log::error!("failed to sign revocation: {}", e);
+            String::new()
+        }
+    }
+}
+
+pub fn verify_revocation(public_key_hex: &str, revocation: &ProfileRevocation) -> bool {
+    let pk_bytes = match hex::decode(public_key_hex) {
+        Ok(b) => b,
+        Err(_) => return false,
+    };
+
+    let public_key = match identity::PublicKey::try_decode_protobuf(&pk_bytes) {
+        Ok(pk) => pk,
+        Err(_) => return false,
+    };
+
+    let sig_bytes = match hex::decode(&revocation.signature) {
+        Ok(b) => b,
+        Err(_) => return false,
+    };
+
+    let payload = revocation_sign_payload(
+        &revocation.peer_id,
+        &revocation.public_key,
+        revocation.timestamp,
+    );
+
+    public_key.verify(&payload, &sig_bytes)
+}

src/App.tsx

@@ -1,4 +1,13 @@
-import { Component, onMount, onCleanup, createSignal, Show } from "solid-js";
+import {
+  Component,
+  onMount,
+  onCleanup,
+  createSignal,
+  createEffect,
+  on,
+  Show,
+  For,
+} from "solid-js";
 import AppLayout from "./components/layout/AppLayout";
 import OverlayMenu from "./components/navigation/OverlayMenu";
 import MobileNav from "./components/navigation/MobileNav";
@@ -6,7 +15,10 @@ import Modal from "./components/common/Modal";
 import Button from "./components/common/Button";
 import SettingsModal from "./components/settings/SettingsModal";
 import SignUpScreen from "./components/auth/SignUpScreen";
+import SplashScreen from "./components/auth/SplashScreen";
 import UserDirectoryModal from "./components/directory/UserDirectoryModal";
+import ProfileCard from "./components/common/ProfileCard";
+import ProfileModal from "./components/common/ProfileModal";
 
 import {
   overlayMenuOpen,
@@ -28,6 +40,9 @@ import {
   setChannels,
   setActiveChannel,
   activeChannelId,
+  setCategories,
+  addCategory,
+  categories,
 } from "./stores/channels";
 import {
   addMessage,
@@ -46,6 +61,8 @@ import {
   setPeerCount,
   setNodeStatus,
   setIsConnected,
+  setRelayConnected,
+  relayConnected,
 } from "./stores/connection";
 import {
   setDMConversations,
@@ -53,6 +70,12 @@ import {
   addDMMessage,
   setActiveDM,
   updateDMLastMessage,
+  handleIncomingDM,
+  addDMTypingPeer,
+  clearDMTypingPeers,
+  clearDMMessages,
+  setDMMessages,
+  updateDMPeerDisplayName,
 } from "./stores/dms";
 import {
   setKnownPeers,
@@ -61,9 +84,21 @@ import {
   removePeer,
   clearDirectory,
 } from "./stores/directory";
+import {
+  handleVoiceParticipantJoined,
+  handleVoiceParticipantLeft,
+  handleVoiceMediaStateChanged,
+  handleVoiceSdpReceived,
+  handleVoiceIceCandidateReceived,
+} from "./stores/voice";
 
 import * as tauri from "./lib/tauri";
-import type { DuskEvent } from "./lib/types";
+import type {
+  DuskEvent,
+  ChallengeExport,
+  ChannelMeta,
+  DirectMessage,
+} from "./lib/types";
 import { resetSettings } from "./stores/settings";
 
 const App: Component = () => {
@@ -73,11 +108,101 @@ const App: Component = () => {
   const [tauriAvailable, setTauriAvailable] = createSignal(false);
   const [needsSignUp, setNeedsSignUp] = createSignal(false);
   const [appReady, setAppReady] = createSignal(false);
+  const [showSplash, setShowSplash] = createSignal(true);
   const [newCommunityName, setNewCommunityName] = createSignal("");
   const [newCommunityDesc, setNewCommunityDesc] = createSignal("");
   const [joinInviteCode, setJoinInviteCode] = createSignal("");
   const [newChannelName, setNewChannelName] = createSignal("");
   const [newChannelTopic, setNewChannelTopic] = createSignal("");
+  const [newChannelKind, setNewChannelKind] = createSignal<"Text" | "Voice">(
+    "Text",
+  );
+  const [newChannelCategoryId, setNewChannelCategoryId] = createSignal<
+    string | null
+  >(null);
+  const [newCategoryName, setNewCategoryName] = createSignal("");
+
+  // react to community switches by loading channels, members, and selecting first channel
+  createEffect(
+    on(activeCommunityId, async (communityId, prev) => {
+      if (communityId === prev) return;
+      if (!communityId) {
+        setChannels([]);
+        setCategories([]);
+        setActiveChannel(null);
+        clearMessages();
+        setMembers([]);
+        return;
+      }
+
+      if (tauriAvailable()) {
+        try {
+          const [chs, cats] = await Promise.all([
+            tauri.getChannels(communityId),
+            tauri.getCategories(communityId),
+          ]);
+          setChannels(chs);
+          setCategories(cats);
+
+          if (chs.length > 0) {
+            setActiveChannel(chs[0].id);
+          } else {
+            setActiveChannel(null);
+            clearMessages();
+          }
+
+          const mems = await tauri.getMembers(communityId);
+          setMembers(mems);
+        } catch (e) {
+          console.error("failed to load community data:", e);
+        }
+      }
+    }),
+  );
+
+  // react to channel switches by loading messages for the new channel
+  createEffect(
+    on(activeChannelId, async (channelId, prev) => {
+      if (channelId === prev) return;
+      if (!channelId) {
+        clearMessages();
+        return;
+      }
+
+      if (tauriAvailable()) {
+        try {
+          clearMessages();
+          const msgs = await tauri.getMessages(channelId);
+          setMessages(msgs);
+        } catch (e) {
+          console.error("failed to load messages:", e);
+        }
+      }
+    }),
+  );
+
+  // react to dm switches by loading messages for the selected peer
+  createEffect(
+    on(activeDMPeerId, async (peerId, prev) => {
+      if (peerId === prev) return;
+      clearDMTypingPeers();
+
+      if (!peerId) {
+        clearDMMessages();
+        return;
+      }
+
+      if (tauriAvailable()) {
+        try {
+          clearDMMessages();
+          const msgs = await tauri.getDMMessages(peerId);
+          setDMMessages(msgs);
+        } catch (e) {
+          console.error("failed to load dm messages:", e);
+        }
+      }
+    }),
+  );
 
   onMount(async () => {
     cleanupResize = initResponsive();
@@ -142,6 +267,14 @@ const App: Component = () => {
         // directory not populated yet, that's fine
       }
 
+      // load existing dm conversations from disk
+      try {
+        const convos = await tauri.getDMConversations();
+        setDMConversations(convos);
+      } catch {
+        // no dm history yet, that's fine
+      }
+
       const communities = await tauri.getCommunities();
       setCommunities(communities);
 
@@ -157,19 +290,10 @@ const App: Component = () => {
       // from the backend will set the accurate state once peers are found.
       setNodeStatus("running");
 
+      // the createEffect on activeCommunityId handles loading channels,
+      // messages, and members reactively when this is set
       if (communities.length > 0) {
         setActiveCommunity(communities[0].id);
-        const channels = await tauri.getChannels(communities[0].id);
-        setChannels(channels);
-
-        if (channels.length > 0) {
-          setActiveChannel(channels[0].id);
-          const messages = await tauri.getMessages(channels[0].id);
-          setMessages(messages);
-        }
-
-        const members = await tauri.getMembers(communities[0].id);
-        setMembers(members);
       }
     } catch (e) {
       console.error("initialization error:", e);
@@ -219,11 +343,43 @@ const App: Component = () => {
           event.payload.display_name,
           event.payload.bio,
         );
+        // keep dm conversation names in sync
+        updateDMPeerDisplayName(
+          event.payload.peer_id,
+          event.payload.display_name,
+        );
         break;
       case "profile_revoked":
         // peer revoked their identity, remove them from our local directory
         removePeer(event.payload.peer_id);
         break;
+      case "relay_status":
+        setRelayConnected(event.payload.connected);
+        break;
+      case "dm_received":
+        handleIncomingDM(event.payload);
+        break;
+      case "dm_typing":
+        // only show typing if the sender is the active dm peer
+        if (event.payload.peer_id === activeDMPeerId()) {
+          addDMTypingPeer(event.payload.peer_id);
+        }
+        break;
+      case "voice_participant_joined":
+        handleVoiceParticipantJoined(event.payload);
+        break;
+      case "voice_participant_left":
+        handleVoiceParticipantLeft(event.payload);
+        break;
+      case "voice_media_state_changed":
+        handleVoiceMediaStateChanged(event.payload);
+        break;
+      case "voice_sdp_received":
+        handleVoiceSdpReceived(event.payload);
+        break;
+      case "voice_ice_candidate_received":
+        handleVoiceIceCandidateReceived(event.payload);
+        break;
     }
   }
 
@@ -269,23 +425,38 @@ const App: Component = () => {
     tauri.sendTypingIndicator(channelId).catch(() => {});
   }
 
-  function handleSendDM(content: string) {
+  async function handleSendDM(content: string) {
     const peerId = activeDMPeerId();
     if (!peerId) return;
 
-    const id = identity();
-    const msg = {
-      id: `dm_${Date.now()}`,
-      channel_id: `dm_${peerId}`,
-      author_id: id?.peer_id ?? "local",
-      author_name: id?.display_name ?? "you",
-      content,
-      timestamp: Date.now(),
-      edited: false,
-    };
+    if (tauriAvailable()) {
+      try {
+        const msg = await tauri.sendDM(peerId, content);
+        addDMMessage(msg);
+        updateDMLastMessage(peerId, content, msg.timestamp);
+      } catch (e) {
+        console.error("failed to send dm:", e);
+      }
+    } else {
+      // demo mode fallback
+      const id = identity();
+      const msg: DirectMessage = {
+        id: `dm_${Date.now()}`,
+        from_peer: id?.peer_id ?? "local",
+        to_peer: peerId,
+        from_display_name: id?.display_name ?? "you",
+        content,
+        timestamp: Date.now(),
+      };
+      addDMMessage(msg);
+      updateDMLastMessage(peerId, content, msg.timestamp);
+    }
+  }
 
-    addDMMessage(msg);
-    updateDMLastMessage(peerId, content, msg.timestamp);
+  function handleDMTyping() {
+    const peerId = activeDMPeerId();
+    if (!peerId || !tauriAvailable()) return;
+    tauri.sendDMTyping(peerId).catch(() => {});
   }
 
   function handleOverlayNavigate(action: string) {
@@ -318,17 +489,8 @@ const App: Component = () => {
       try {
         const community = await tauri.createCommunity(name, desc);
         addCommunity(community);
+        // the createEffect on activeCommunityId handles loading channels, messages, members
         setActiveCommunity(community.id);
-
-        const channels = await tauri.getChannels(community.id);
-        setChannels(channels);
-        if (channels.length > 0) {
-          setActiveChannel(channels[0].id);
-          clearMessages();
-        }
-
-        const members = await tauri.getMembers(community.id);
-        setMembers(members);
       } catch (e) {
         console.error("failed to create community:", e);
       }
@@ -350,6 +512,8 @@ const App: Component = () => {
           name: "general",
           topic: "general discussion",
           kind: "Text",
+          position: 0,
+          category_id: null,
         },
       ]);
       setActiveChannel(chId);
@@ -379,17 +543,8 @@ const App: Component = () => {
       try {
         const community = await tauri.joinCommunity(inviteCode);
         addCommunity(community);
+        // the createEffect on activeCommunityId handles loading channels, messages, members
         setActiveCommunity(community.id);
-
-        const channels = await tauri.getChannels(community.id);
-        setChannels(channels);
-        if (channels.length > 0) {
-          setActiveChannel(channels[0].id);
-          clearMessages();
-        }
-
-        const members = await tauri.getMembers(community.id);
-        setMembers(members);
       } catch (e) {
         console.error("failed to join community:", e);
       }
@@ -412,6 +567,8 @@ const App: Component = () => {
           name: "general",
           topic: "general discussion",
           kind: "Text",
+          position: 0,
+          category_id: null,
         },
       ]);
       setActiveChannel(chId);
@@ -435,35 +592,78 @@ const App: Component = () => {
   async function handleCreateChannel() {
     const name = newChannelName().trim();
     const topic = newChannelTopic().trim();
+    const kind = newChannelKind();
+    const categoryId = newChannelCategoryId();
     const communityId = activeCommunityId();
     if (!name || !communityId) return;
 
     if (tauriAvailable()) {
       try {
-        const channel = await tauri.createChannel(communityId, name, topic);
+        const channel = await tauri.createChannel(
+          communityId,
+          name,
+          topic,
+          kind.toLowerCase(),
+          categoryId,
+        );
         setChannels((prev) => [...prev, channel]);
-        setActiveChannel(channel.id);
-        clearMessages();
+        // only auto-select text channels after creation
+        if (channel.kind === "Text") {
+          setActiveChannel(channel.id);
+        }
       } catch (e) {
         console.error("failed to create channel:", e);
       }
     } else {
       // demo mode
       const chId = `ch_${name.toLowerCase().replace(/\s+/g, "_")}_${Date.now()}`;
-      const channel = {
+      const channel: ChannelMeta = {
         id: chId,
         community_id: communityId,
         name,
         topic: topic || `${name} discussion`,
-        kind: "Text" as const,
+        kind,
+        position: 0,
+        category_id: categoryId,
       };
       setChannels((prev) => [...prev, channel]);
-      setActiveChannel(chId);
-      clearMessages();
+      if (kind === "Text") {
+        setActiveChannel(chId);
+        clearMessages();
+      }
     }
 
     setNewChannelName("");
     setNewChannelTopic("");
+    setNewChannelKind("Text");
+    setNewChannelCategoryId(null);
+    closeModal();
+  }
+
+  async function handleCreateCategory() {
+    const name = newCategoryName().trim();
+    const communityId = activeCommunityId();
+    if (!name || !communityId) return;
+
+    if (tauriAvailable()) {
+      try {
+        const category = await tauri.createCategory(communityId, name);
+        addCategory(category);
+      } catch (e) {
+        console.error("failed to create category:", e);
+      }
+    } else {
+      // demo mode
+      const catId = `cat_${name.toLowerCase().replace(/\s+/g, "_")}_${Date.now()}`;
+      addCategory({
+        id: catId,
+        community_id: communityId,
+        name,
+        position: 0,
+      });
+    }
+
+    setNewCategoryName("");
     closeModal();
   }
 
@@ -487,10 +687,18 @@ const App: Component = () => {
     closeModal();
   }
 
-  async function handleSignUpComplete(displayName: string, bio: string) {
+  async function handleSignUpComplete(
+    displayName: string,
+    bio: string,
+    challengeData?: ChallengeExport,
+  ) {
     if (tauriAvailable()) {
       try {
-        const created = await tauri.createIdentity(displayName, bio);
+        const created = await tauri.createIdentity(
+          displayName,
+          bio,
+          challengeData,
+        );
         setCurrentIdentity(created);
         updateSettings({ display_name: displayName });
 
@@ -532,13 +740,16 @@ const App: Component = () => {
     setCommunities([]);
     setActiveCommunity(null);
     setChannels([]);
+    setCategories([]);
     setActiveChannel(null);
     clearMessages();
     setMembers([]);
     setDMConversations([]);
     setActiveDM(null);
+    clearDMTypingPeers();
     setPeerCount(0);
     setIsConnected(false);
+    setRelayConnected(true);
     setNodeStatus("stopped");
     localStorage.removeItem("dusk_user_settings");
 
@@ -553,6 +764,14 @@ const App: Component = () => {
 
   return (
     <div class="h-screen w-screen overflow-hidden bg-black">
+      <Show when={showSplash()}>
+        <SplashScreen
+          onComplete={() => setShowSplash(false)}
+          identity={identity()}
+          relayConnected={relayConnected()}
+        />
+      </Show>
+
       <Show when={needsSignUp()}>
         <SignUpScreen onComplete={handleSignUpComplete} />
       </Show>
@@ -563,8 +782,12 @@ const App: Component = () => {
           onSendMessage={handleSendMessage}
           onTyping={handleTyping}
           onSendDM={handleSendDM}
+          onDMTyping={handleDMTyping}
         />
 
+        <ProfileCard />
+        <ProfileModal />
+
         <OverlayMenu
           isOpen={overlayMenuOpen()}
           onClose={closeOverlay}
@@ -647,6 +870,37 @@ const App: Component = () => {
           title="create channel"
         >
           <div class="flex flex-col gap-4">
+            {/* channel type selector */}
+            <div>
+              <label class="block text-[12px] font-mono font-medium uppercase tracking-[0.05em] text-white/60 mb-2">
+                type
+              </label>
+              <div class="flex gap-2">
+                <button
+                  type="button"
+                  class={`flex-1 px-4 py-3 text-[16px] border-2 transition-colors duration-200 cursor-pointer ${
+                    newChannelKind() === "Text"
+                      ? "border-orange bg-orange/10 text-white"
+                      : "border-white/20 bg-black text-white/60 hover:border-white/40"
+                  }`}
+                  onClick={() => setNewChannelKind("Text")}
+                >
+                  text
+                </button>
+                <button
+                  type="button"
+                  class={`flex-1 px-4 py-3 text-[16px] border-2 transition-colors duration-200 cursor-pointer ${
+                    newChannelKind() === "Voice"
+                      ? "border-orange bg-orange/10 text-white"
+                      : "border-white/20 bg-black text-white/60 hover:border-white/40"
+                  }`}
+                  onClick={() => setNewChannelKind("Voice")}
+                >
+                  voice
+                </button>
+              </div>
+            </div>
+
             <div>
               <label class="block text-[12px] font-mono font-medium uppercase tracking-[0.05em] text-white/60 mb-2">
                 name
@@ -671,6 +925,28 @@ const App: Component = () => {
                 onInput={(e) => setNewChannelTopic(e.currentTarget.value)}
               />
             </div>
+
+            {/* category selector */}
+            <Show when={categories().length > 0}>
+              <div>
+                <label class="block text-[12px] font-mono font-medium uppercase tracking-[0.05em] text-white/60 mb-2">
+                  category (optional)
+                </label>
+                <select
+                  class="w-full bg-black border-2 border-white/20 text-white text-[16px] px-4 py-3 outline-none focus:border-orange transition-colors duration-200 cursor-pointer"
+                  value={newChannelCategoryId() ?? ""}
+                  onChange={(e) =>
+                    setNewChannelCategoryId(e.currentTarget.value || null)
+                  }
+                >
+                  <option value="">no category</option>
+                  <For each={categories()}>
+                    {(cat) => <option value={cat.id}>{cat.name}</option>}
+                  </For>
+                </select>
+              </div>
+            </Show>
+
             <Button
               variant="primary"
               fullWidth
@@ -682,6 +958,35 @@ const App: Component = () => {
           </div>
         </Modal>
 
+        <Modal
+          isOpen={activeModal() === "create-category"}
+          onClose={closeModal}
+          title="create category"
+        >
+          <div class="flex flex-col gap-4">
+            <div>
+              <label class="block text-[12px] font-mono font-medium uppercase tracking-[0.05em] text-white/60 mb-2">
+                name
+              </label>
+              <input
+                type="text"
+                class="w-full bg-black border-2 border-white/20 text-white text-[16px] px-4 py-3 outline-none placeholder:text-white/30 focus:border-orange transition-colors duration-200"
+                placeholder="category name"
+                value={newCategoryName()}
+                onInput={(e) => setNewCategoryName(e.currentTarget.value)}
+              />
+            </div>
+            <Button
+              variant="primary"
+              fullWidth
+              onClick={handleCreateCategory}
+              disabled={!newCategoryName().trim()}
+            >
+              create
+            </Button>
+          </div>
+        </Modal>
+
         <SettingsModal
           isOpen={activeModal() === "settings"}
           onClose={closeModal}
@@ -736,6 +1041,8 @@ function loadDemoData() {
       name: "general",
       topic: "general discussion about dusk development",
       kind: "Text",
+      position: 0,
+      category_id: null,
     },
     {
       id: "ch_design_001",
@@ -743,6 +1050,8 @@ function loadDemoData() {
       name: "design",
       topic: "UI/UX design discussion",
       kind: "Text",
+      position: 1,
+      category_id: null,
     },
     {
       id: "ch_voice_001",
@@ -750,6 +1059,8 @@ function loadDemoData() {
       name: "voice",
       topic: "",
       kind: "Voice",
+      position: 0,
+      category_id: null,
     },
   ]);
 
@@ -885,7 +1196,6 @@ function loadDemoData() {
     {
       peer_id: "12D3KooWPeer_alice",
       display_name: "alice",
-      status: "Online",
       last_message: "the gossipsub refactor is merged, check it out",
       last_message_time: now - 600000,
       unread_count: 2,
@@ -893,7 +1203,6 @@ function loadDemoData() {
     {
       peer_id: "12D3KooWPeer_bob",
       display_name: "bob",
-      status: "Idle",
       last_message: "sure, i'll review the PR tonight",
       last_message_time: now - 3600000,
       unread_count: 0,
@@ -901,7 +1210,6 @@ function loadDemoData() {
     {
       peer_id: "12D3KooWPeer_charlie",
       display_name: "charlie",
-      status: "Online",
       last_message: "NAT traversal test results look promising",
       last_message_time: now - 7200000,
       unread_count: 1,
@@ -909,7 +1217,6 @@ function loadDemoData() {
     {
       peer_id: "12D3KooWPeer_diana",
       display_name: "diana",
-      status: "Offline",
       last_message: "offline, will catch up tomorrow",
       last_message_time: now - 86400000,
       unread_count: 0,

src/assets/crescent-moon.svg

@@ -0,0 +1,8 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="512" height="512" viewBox="0 0 128 128">
+  <rect width="128" height="128" fill="#000000"/>
+  <mask id="m">
+    <circle cx="64" cy="64" r="40" fill="white"/>
+    <circle cx="48" cy="54" r="32" fill="black"/>
+  </mask>
+  <circle cx="64" cy="64" r="40" fill="#FF4F00" mask="url(#m)"/>
+</svg>

src/components/auth/HumanVerification.tsx

@@ -0,0 +1,539 @@
+import type { Component } from "solid-js";
+import { createSignal, Show, For, onCleanup } from "solid-js";
+import { Shield, Check } from "lucide-solid";
+import Button from "../common/Button";
+import type { ChallengeExport } from "../../lib/types";
+
+interface HumanVerificationProps {
+  onVerified: (data: ChallengeExport) => void;
+}
+
+// -- data structures for mouse tracking and analysis --
+
+interface TargetCircle {
+  id: number;
+  x: number;
+  y: number;
+}
+
+interface MouseSample {
+  x: number;
+  y: number;
+  t: number;
+}
+
+interface SegmentData {
+  fromTarget: number;
+  toTarget: number;
+  samples: MouseSample[];
+  clickTime: number;
+  startTime: number;
+}
+
+interface ChallengeData {
+  segments: SegmentData[];
+  totalStartTime: number;
+  totalEndTime: number;
+}
+
+type Phase = "ready" | "active" | "analyzing" | "passed" | "failed";
+
+// -- constants --
+
+const CONTAINER_WIDTH = 600;
+const CONTAINER_HEIGHT = 400;
+const CIRCLE_RADIUS = 24;
+const MIN_DISTANCE = 120;
+const PADDING = 48;
+const TARGET_COUNT = 5;
+const HUMAN_THRESHOLD = 0.35;
+
+// -- circle positioning --
+
+function generateCirclePositions(
+  width: number,
+  height: number,
+): TargetCircle[] {
+  const circles: TargetCircle[] = [];
+  const maxAttempts = 200;
+
+  for (let id = 1; id <= TARGET_COUNT; id++) {
+    let placed = false;
+
+    for (let attempt = 0; attempt < maxAttempts; attempt++) {
+      const x = PADDING + Math.random() * (width - 2 * PADDING);
+      const y = PADDING + Math.random() * (height - 2 * PADDING);
+
+      const tooClose = circles.some((c) => {
+        const dx = c.x - x;
+        const dy = c.y - y;
+        return Math.sqrt(dx * dx + dy * dy) < MIN_DISTANCE;
+      });
+
+      if (!tooClose) {
+        circles.push({ id, x, y });
+        placed = true;
+        break;
+      }
+    }
+
+    // fallback grid placement if rejection sampling exhausts attempts
+    if (!placed) {
+      const cols = 3;
+      const row = Math.floor((id - 1) / cols);
+      const col = (id - 1) % cols;
+      circles.push({
+        id,
+        x: PADDING + col * ((width - 2 * PADDING) / (cols - 1)),
+        y: PADDING + row * ((height - 2 * PADDING) / 1),
+      });
+    }
+  }
+
+  return circles;
+}
+
+// -- analysis functions --
+// each returns a score from 0.0 (bot-like) to 1.0 (human-like)
+
+function scoreTimingVariance(segments: SegmentData[]): number {
+  if (segments.length < 2) return 0;
+
+  const intervals = segments.map((s) => s.clickTime - s.startTime);
+  const mean = intervals.reduce((a, b) => a + b, 0) / intervals.length;
+  if (mean === 0) return 0;
+
+  const variance =
+    intervals.reduce((sum, v) => sum + (v - mean) ** 2, 0) / intervals.length;
+  const cv = Math.sqrt(variance) / mean;
+
+  // humans have natural variance in click timing
+  // bots tend to be metronomic or instantaneous
+  if (cv < 0.03) return 0;
+  if (cv < 0.08) return 0.3;
+  if (cv < 0.12) return 0.6;
+  return 1.0;
+}
+
+function scorePathCurvature(segments: SegmentData[]): number {
+  const ratios: number[] = [];
+
+  for (const seg of segments) {
+    if (seg.samples.length < 3) continue;
+
+    const first = seg.samples[0];
+    const last = seg.samples[seg.samples.length - 1];
+    const straightDist = Math.sqrt(
+      (last.x - first.x) ** 2 + (last.y - first.y) ** 2,
+    );
+
+    // skip very short movements where curvature is meaningless
+    if (straightDist < 10) continue;
+
+    let pathLength = 0;
+    for (let i = 1; i < seg.samples.length; i++) {
+      const dx = seg.samples[i].x - seg.samples[i - 1].x;
+      const dy = seg.samples[i].y - seg.samples[i - 1].y;
+      pathLength += Math.sqrt(dx * dx + dy * dy);
+    }
+
+    ratios.push(pathLength / straightDist);
+  }
+
+  if (ratios.length === 0) return 0;
+
+  const avgRatio = ratios.reduce((a, b) => a + b, 0) / ratios.length;
+
+  // humans never move in perfectly straight lines
+  // motor control imprecision guarantees some curvature
+  if (avgRatio < 1.02) return 0;
+  if (avgRatio < 1.06) return 0.3;
+  if (avgRatio < 1.1) return 0.6;
+  if (avgRatio > 4.0) return 0.5;
+  return 1.0;
+}
+
+function scoreSpeedVariance(segments: SegmentData[]): number {
+  const allSpeedCVs: number[] = [];
+
+  for (const seg of segments) {
+    if (seg.samples.length < 5) continue;
+
+    const speeds: number[] = [];
+    for (let i = 1; i < seg.samples.length; i++) {
+      const dx = seg.samples[i].x - seg.samples[i - 1].x;
+      const dy = seg.samples[i].y - seg.samples[i - 1].y;
+      const dt = seg.samples[i].t - seg.samples[i - 1].t;
+      if (dt > 0) {
+        speeds.push(Math.sqrt(dx * dx + dy * dy) / dt);
+      }
+    }
+
+    if (speeds.length < 3) continue;
+
+    const mean = speeds.reduce((a, b) => a + b, 0) / speeds.length;
+    if (mean === 0) continue;
+
+    const variance =
+      speeds.reduce((sum, v) => sum + (v - mean) ** 2, 0) / speeds.length;
+    const cv = Math.sqrt(variance) / mean;
+    allSpeedCVs.push(cv);
+  }
+
+  if (allSpeedCVs.length === 0) return 0;
+
+  const avgCV = allSpeedCVs.reduce((a, b) => a + b, 0) / allSpeedCVs.length;
+
+  // humans accelerate and decelerate naturally along paths
+  // bots maintain constant velocity
+  if (avgCV < 0.1) return 0;
+  if (avgCV < 0.25) return 0.4;
+  if (avgCV < 0.4) return 0.7;
+  return 1.0;
+}
+
+function scoreApproachJitter(
+  segments: SegmentData[],
+  circles: TargetCircle[],
+): number {
+  const jitterScores: number[] = [];
+
+  for (let i = 0; i < segments.length; i++) {
+    const seg = segments[i];
+    const target = circles[i];
+    if (seg.samples.length < 5) continue;
+
+    // isolate the last stretch of movement approaching the target
+    const approachSamples = seg.samples.filter((s) => {
+      const dx = s.x - target.x;
+      const dy = s.y - target.y;
+      return Math.sqrt(dx * dx + dy * dy) < 60;
+    });
+
+    if (approachSamples.length < 4) continue;
+
+    // count direction changes via cross product sign flips
+    let directionChanges = 0;
+    for (let j = 2; j < approachSamples.length; j++) {
+      const dx1 = approachSamples[j - 1].x - approachSamples[j - 2].x;
+      const dy1 = approachSamples[j - 1].y - approachSamples[j - 2].y;
+      const dx2 = approachSamples[j].x - approachSamples[j - 1].x;
+      const dy2 = approachSamples[j].y - approachSamples[j - 1].y;
+
+      const cross = dx1 * dy2 - dy1 * dx2;
+      if (j > 2) {
+        const prevDx1 = approachSamples[j - 2].x - approachSamples[j - 3].x;
+        const prevDy1 = approachSamples[j - 2].y - approachSamples[j - 3].y;
+        const prevCross = prevDx1 * dy1 - prevDy1 * dx1;
+        if (cross * prevCross < 0) directionChanges++;
+      }
+    }
+
+    const jitterRatio =
+      directionChanges / Math.max(approachSamples.length - 2, 1);
+    jitterScores.push(jitterRatio);
+  }
+
+  // not enough data to judge, give a neutral score
+  if (jitterScores.length === 0) return 0.5;
+
+  const avgJitter =
+    jitterScores.reduce((a, b) => a + b, 0) / jitterScores.length;
+
+  // humans have micro-corrections from motor noise (fitts's law)
+  // bots converge smoothly with zero directional jitter
+  if (avgJitter < 0.01) return 0.2;
+  if (avgJitter < 0.05) return 0.5;
+  return 1.0;
+}
+
+function scoreOverallTiming(data: ChallengeData): number {
+  const totalMs = data.totalEndTime - data.totalStartTime;
+  const totalSec = totalMs / 1000;
+
+  if (totalSec < 0.8) return 0;
+  if (totalSec < 1.5) return 0.3;
+  if (totalSec > 60) return 0.5;
+  return 1.0;
+}
+
+function analyzeChallenge(
+  data: ChallengeData,
+  circles: TargetCircle[],
+): { isHuman: boolean; score: number } {
+  const timing = scoreTimingVariance(data.segments);
+  const curvature = scorePathCurvature(data.segments);
+  const speed = scoreSpeedVariance(data.segments);
+  const jitter = scoreApproachJitter(data.segments, circles);
+  const overall = scoreOverallTiming(data);
+
+  const score =
+    timing * 0.25 +
+    curvature * 0.25 +
+    speed * 0.2 +
+    jitter * 0.2 +
+    overall * 0.1;
+
+  return {
+    isHuman: score >= HUMAN_THRESHOLD,
+    score,
+  };
+}
+
+// -- component --
+
+const HumanVerification: Component<HumanVerificationProps> = (props) => {
+  let containerRef: HTMLDivElement | undefined;
+
+  const [phase, setPhase] = createSignal<Phase>("ready");
+  const [circles, setCircles] = createSignal<TargetCircle[]>(
+    generateCirclePositions(CONTAINER_WIDTH, CONTAINER_HEIGHT),
+  );
+  const [currentTarget, setCurrentTarget] = createSignal(1);
+  const [completedCount, setCompletedCount] = createSignal(0);
+  const [wrongClickId, setWrongClickId] = createSignal<number | null>(null);
+  const [failureMessage, setFailureMessage] = createSignal("");
+
+  // mutable tracking state, no reactivity needed
+  let challengeData: ChallengeData = {
+    segments: [],
+    totalStartTime: 0,
+    totalEndTime: 0,
+  };
+  let currentSegmentSamples: MouseSample[] = [];
+  let currentSegmentStartTime = 0;
+  let wrongClickTimeout: ReturnType<typeof setTimeout> | undefined;
+
+  onCleanup(() => {
+    if (wrongClickTimeout) clearTimeout(wrongClickTimeout);
+  });
+
+  function handleStart() {
+    const now = performance.now();
+    challengeData = {
+      segments: [],
+      totalStartTime: now,
+      totalEndTime: 0,
+    };
+    currentSegmentSamples = [];
+    currentSegmentStartTime = now;
+    setPhase("active");
+  }
+
+  function handleMouseMove(e: MouseEvent) {
+    if (phase() !== "active") return;
+
+    const rect = containerRef!.getBoundingClientRect();
+    currentSegmentSamples.push({
+      x: e.clientX - rect.left,
+      y: e.clientY - rect.top,
+      t: performance.now(),
+    });
+  }
+
+  function handleCircleClick(circleId: number, e: MouseEvent) {
+    // prevent click events during non-active phases
+    if (phase() !== "active") return;
+    e.stopPropagation();
+
+    if (circleId !== currentTarget()) {
+      // wrong target feedback
+      setWrongClickId(circleId);
+      if (wrongClickTimeout) clearTimeout(wrongClickTimeout);
+      wrongClickTimeout = setTimeout(() => setWrongClickId(null), 400);
+      return;
+    }
+
+    // correct target hit
+    const now = performance.now();
+    const rect = containerRef!.getBoundingClientRect();
+
+    challengeData.segments.push({
+      fromTarget: circleId - 1,
+      toTarget: circleId,
+      samples: [...currentSegmentSamples],
+      clickTime: now,
+      startTime: currentSegmentStartTime,
+    });
+
+    // reset for next segment
+    currentSegmentSamples = [
+      { x: e.clientX - rect.left, y: e.clientY - rect.top, t: now },
+    ];
+    currentSegmentStartTime = now;
+
+    const nextCount = completedCount() + 1;
+    setCompletedCount(nextCount);
+
+    if (nextCount >= TARGET_COUNT) {
+      // all targets hit, begin analysis
+      challengeData.totalEndTime = now;
+      setPhase("analyzing");
+
+      setTimeout(() => {
+        const result = analyzeChallenge(challengeData, circles());
+        if (result.isHuman) {
+          setPhase("passed");
+          // package raw challenge data for the backend to re-validate
+          const exportData: ChallengeExport = {
+            segments: challengeData.segments.map((s) => ({
+              fromTarget: s.fromTarget,
+              toTarget: s.toTarget,
+              samples: s.samples.map((m) => ({ x: m.x, y: m.y, t: m.t })),
+              clickTime: s.clickTime,
+              startTime: s.startTime,
+            })),
+            circles: circles().map((c) => ({ id: c.id, x: c.x, y: c.y })),
+            totalStartTime: challengeData.totalStartTime,
+            totalEndTime: challengeData.totalEndTime,
+          };
+          setTimeout(() => props.onVerified(exportData), 600);
+        } else {
+          setFailureMessage(
+            "verification failed. please try again.",
+          );
+          setPhase("failed");
+        }
+      }, 1500);
+    } else {
+      setCurrentTarget(circleId + 1);
+    }
+  }
+
+  function handleRetry() {
+    setCircles(generateCirclePositions(CONTAINER_WIDTH, CONTAINER_HEIGHT));
+    setCurrentTarget(1);
+    setCompletedCount(0);
+    setWrongClickId(null);
+    setFailureMessage("");
+    challengeData = {
+      segments: [],
+      totalStartTime: 0,
+      totalEndTime: 0,
+    };
+    currentSegmentSamples = [];
+    currentSegmentStartTime = 0;
+    setPhase("ready");
+  }
+
+  function circleClasses(circleId: number): string {
+    const base =
+      "absolute flex items-center justify-center rounded-full w-12 h-12 text-[16px] font-bold cursor-pointer transition-colors duration-200 select-none";
+
+    if (wrongClickId() === circleId) {
+      return `${base} border-2 border-error text-white bg-orange-muted animate-target-shake`;
+    }
+
+    if (circleId < currentTarget()) {
+      // completed
+      return `${base} border-2 border-white/10 text-white/15 animate-target-complete pointer-events-none`;
+    }
+
+    if (circleId === currentTarget()) {
+      // active target
+      return `${base} border-2 border-orange text-white bg-orange-muted animate-target-pulse`;
+    }
+
+    // pending
+    return `${base} border-2 border-white/20 text-white/30`;
+  }
+
+  return (
+    <div class="max-w-[680px] w-full mx-4 animate-fade-in">
+      <div class="mb-8 px-10">
+        <div class="flex items-center gap-3 mb-4">
+          <Shield size={24} class="text-orange" />
+          <h2 class="text-[32px] leading-[40px] font-bold text-white tracking-[-0.02em]">
+            human verfication
+          </h2>
+        </div>
+        <p>complete the action below to verify your humanity</p>
+      </div>
+
+      {/* challenge area */}
+      <div
+        ref={containerRef}
+        class="relative border-2 border-white/10 bg-black mx-auto"
+        style={{
+          width: `${CONTAINER_WIDTH}px`,
+          height: `${CONTAINER_HEIGHT}px`,
+        }}
+        onMouseMove={handleMouseMove}
+      >
+        {/* ready state overlay */}
+        <Show when={phase() === "ready"}>
+          <div class="absolute inset-0 flex flex-col items-center justify-center z-10 bg-black/80 backdrop-blur-sm">
+            <p class="text-[14px] font-mono text-white/30 mb-6">
+              click the circles in order from 1 to 5.
+            </p>
+            <Button variant="primary" onClick={handleStart}>
+              begin
+            </Button>
+          </div>
+        </Show>
+
+        {/* target circles, visible during ready (dimmed behind overlay) and active */}
+        <Show
+          when={
+            phase() !== "analyzing" &&
+            phase() !== "passed" &&
+            phase() !== "failed"
+          }
+        >
+          <For each={circles()}>
+            {(circle, index) => (
+              <div
+                class={circleClasses(circle.id)}
+                style={{
+                  left: `${circle.x - CIRCLE_RADIUS}px`,
+                  top: `${circle.y - CIRCLE_RADIUS}px`,
+                  "animation-delay":
+                    phase() === "ready" ? `${index() * 80}ms` : undefined,
+                }}
+                onClick={(e) => handleCircleClick(circle.id, e)}
+              >
+                {circle.id}
+              </div>
+            )}
+          </For>
+        </Show>
+
+        {/* analyzing overlay */}
+        <Show when={phase() === "analyzing"}>
+          <div class="absolute inset-0 flex items-center justify-center animate-fade-in">
+            <p class="text-[16px] font-mono text-white/60">verifying...</p>
+          </div>
+        </Show>
+
+        {/* passed overlay */}
+        <Show when={phase() === "passed"}>
+          <div class="absolute inset-0 flex flex-col items-center justify-center animate-scale-in">
+            <div class="w-16 h-16 rounded-full border-2 border-success flex items-center justify-center mb-4">
+              <Check size={32} class="text-success" />
+            </div>
+            <p class="text-[16px] font-mono text-success">verified</p>
+          </div>
+        </Show>
+      </div>
+
+      {/* progress indicator */}
+      <Show when={phase() === "active"}>
+        <p class="text-[14px] font-mono text-white/40 mt-4 text-center">
+          {completedCount()} / {TARGET_COUNT}
+        </p>
+      </Show>
+
+      {/* failure state */}
+      <Show when={phase() === "failed"}>
+        <div class="mt-6 text-center">
+          <p class="text-[14px] text-error mb-4">{failureMessage()}</p>
+          <Button variant="secondary" onClick={handleRetry}>
+            try again
+          </Button>
+        </div>
+      </Show>
+    </div>
+  );
+};
+
+export default HumanVerification;

src/components/auth/SignUpScreen.tsx

@@ -1,28 +1,41 @@
-import { Component, createSignal, Show } from "solid-js";
-import { Key, User, ArrowRight, Shield } from "lucide-solid";
+import { Component, createSignal, Show, Switch, Match } from "solid-js";
+import { ArrowRight } from "lucide-solid";
 import Button from "../common/Button";
 import Avatar from "../common/Avatar";
+import HumanVerification from "./HumanVerification";
+import type { ChallengeExport } from "../../lib/types";
 
 interface SignUpScreenProps {
-  onComplete: (displayName: string, bio: string) => void;
+  onComplete: (
+    displayName: string,
+    bio: string,
+    challengeData: ChallengeExport,
+  ) => void;
 }
 
 const SignUpScreen: Component<SignUpScreenProps> = (props) => {
   const [displayName, setDisplayName] = createSignal("");
   const [bio, setBio] = createSignal("");
-  const [step, setStep] = createSignal<"welcome" | "profile">("welcome");
+  const [step, setStep] = createSignal<"welcome" | "verification" | "profile">(
+    "welcome",
+  );
   const [isCreating, setIsCreating] = createSignal(false);
+  const [challengeData, setChallengeData] =
+    createSignal<ChallengeExport | null>(null);
 
   function handleBegin() {
-    setStep("profile");
+    setStep("verification");
   }
 
   async function handleCreate() {
     const name = displayName().trim();
     if (!name) return;
 
+    const challenge = challengeData();
+    if (!challenge) return;
+
     setIsCreating(true);
-    props.onComplete(name, bio().trim());
+    props.onComplete(name, bio().trim(), challenge);
   }
 
   function handleKeyDown(e: KeyboardEvent) {
@@ -30,9 +43,10 @@ const SignUpScreen: Component<SignUpScreenProps> = (props) => {
       e.preventDefault();
       if (step() === "welcome") {
         handleBegin();
-      } else if (displayName().trim()) {
+      } else if (step() === "profile" && displayName().trim()) {
         handleCreate();
       }
+      // verification step is mouse-only, no keyboard shortcuts
     }
   }
 
@@ -41,68 +55,19 @@ const SignUpScreen: Component<SignUpScreenProps> = (props) => {
       class="h-screen w-screen bg-black flex items-center justify-center overflow-hidden"
       onKeyDown={handleKeyDown}
     >
-      <Show
-        when={step() === "profile"}
-        fallback={
-          // welcome screen
+      <Switch>
+        <Match when={step() === "welcome"}>
+          {/* welcome screen */}
           <div class="max-w-[520px] w-full mx-4 animate-fade-in">
             <div class="mb-12">
               <h1 class="text-[48px] leading-[56px] font-bold text-white tracking-[-0.02em] mb-4">
-                dusk
+                welcome to dusk chat
               </h1>
               <p class="text-[20px] leading-[28px] text-white/60">
-                peer-to-peer communication. no servers, no surveillance, no
-                compromise.
+                truly private peer-to-peer messaging for the masses.
               </p>
             </div>
 
-            <div class="flex flex-col gap-6 mb-12">
-              <div class="flex items-start gap-4">
-                <div class="w-10 h-10 shrink-0 flex items-center justify-center border-2 border-white/20">
-                  <Key size={18} class="text-orange" />
-                </div>
-                <div>
-                  <p class="text-[16px] font-medium text-white mb-1">
-                    keypair identity
-                  </p>
-                  <p class="text-[14px] text-white/40">
-                    your identity is a cryptographic keypair generated on your
-                    device. no email, no phone number, no corporate account.
-                  </p>
-                </div>
-              </div>
-
-              <div class="flex items-start gap-4">
-                <div class="w-10 h-10 shrink-0 flex items-center justify-center border-2 border-white/20">
-                  <Shield size={18} class="text-orange" />
-                </div>
-                <div>
-                  <p class="text-[16px] font-medium text-white mb-1">
-                    your data, your hardware
-                  </p>
-                  <p class="text-[14px] text-white/40">
-                    everything is stored locally and synced directly between
-                    peers. no central server ever touches your messages.
-                  </p>
-                </div>
-              </div>
-
-              <div class="flex items-start gap-4">
-                <div class="w-10 h-10 shrink-0 flex items-center justify-center border-2 border-white/20">
-                  <User size={18} class="text-orange" />
-                </div>
-                <div>
-                  <p class="text-[16px] font-medium text-white mb-1">
-                    portable identity
-                  </p>
-                  <p class="text-[14px] text-white/40">
-                    take your identity anywhere. your keypair is yours forever
-                    and works across any device running dusk.
-                  </p>
-                </div>
-              </div>
-            </div>
-
             <Button variant="primary" fullWidth onClick={handleBegin}>
               <span class="flex items-center gap-2">
                 get started
@@ -110,97 +75,110 @@ const SignUpScreen: Component<SignUpScreenProps> = (props) => {
               </span>
             </Button>
           </div>
-        }
-      >
-        {/* profile creation screen */}
-        <div class="max-w-[480px] w-full mx-4 animate-fade-in">
-          <h2 class="text-[32px] leading-[40px] font-bold text-white tracking-[-0.02em] mb-2">
-            create your identity
-          </h2>
-          <p class="text-[16px] text-white/40 mb-8">
-            choose a display name for the network. you can change this later.
-          </p>
+        </Match>
 
-          {/* live preview */}
-          <div class="flex items-center gap-4 p-4 border-2 border-white/10 mb-8">
-            <Avatar
-              name={displayName() || "?"}
-              size="xl"
-              status="Online"
-              showStatus
-            />
-            <div class="min-w-0 flex-1">
-              <p class="text-[20px] font-bold text-white truncate">
-                {displayName() || "your name"}
-              </p>
-              <Show when={bio()}>
-                <p class="text-[14px] text-white/40 truncate mt-1">{bio()}</p>
-              </Show>
-              <p class="text-[12px] font-mono text-white/20 mt-1">
-                peer id will be generated
-              </p>
-            </div>
-          </div>
+        <Match when={step() === "verification"}>
+          <HumanVerification
+            onVerified={(data) => {
+              setChallengeData(data);
+              setStep("profile");
+            }}
+          />
+        </Match>
 
-          <div class="flex flex-col gap-4 mb-8">
-            <div>
-              <label class="block text-[12px] font-mono font-medium uppercase tracking-[0.05em] text-white/60 mb-2">
-                display name *
-              </label>
-              <input
-                type="text"
-                class="w-full bg-black border-2 border-white/20 text-white text-[16px] px-4 py-3 outline-none placeholder:text-white/30 focus:border-orange transition-colors duration-200"
-                placeholder="what should people call you?"
-                value={displayName()}
-                onInput={(e) => setDisplayName(e.currentTarget.value)}
-                maxLength={32}
-                autofocus
+        <Match when={step() === "profile"}>
+          {/* profile creation screen */}
+          <div class="max-w-[480px] w-full mx-4 animate-fade-in">
+            <h2 class="text-[32px] leading-[40px] font-bold text-white tracking-[-0.02em] mb-2">
+              create your identity
+            </h2>
+            <p class="text-[16px] text-white/40 mb-8">
+              choose a display name for the network. you can change this later.
+            </p>
+
+            {/* live preview */}
+            <div class="flex items-center gap-4 p-4 border-2 border-white/10 mb-8">
+              <Avatar
+                name={displayName() || "?"}
+                size="xl"
+                status="Online"
+                showStatus
               />
-              <p class="text-[12px] font-mono text-white/20 mt-1">
-                {displayName().length}/32
-              </p>
+              <div class="min-w-0 flex-1">
+                <p class="text-[20px] font-bold text-white truncate">
+                  {displayName() || "your name"}
+                </p>
+                <Show when={bio()}>
+                  <p class="text-[14px] text-white/40 truncate mt-1">{bio()}</p>
+                </Show>
+                <p class="text-[12px] font-mono text-white/20 mt-1">
+                  peer id will be generated
+                </p>
+              </div>
             </div>
 
-            <div>
-              <label class="block text-[12px] font-mono font-medium uppercase tracking-[0.05em] text-white/60 mb-2">
-                bio (optional)
-              </label>
-              <textarea
-                class="w-full bg-black border-2 border-white/20 text-white text-[16px] px-4 py-3 outline-none placeholder:text-white/30 focus:border-orange transition-colors duration-200 resize-none"
-                placeholder="tell peers a bit about yourself"
-                value={bio()}
-                onInput={(e) => setBio(e.currentTarget.value)}
-                maxLength={160}
-                rows={3}
-              />
-              <p class="text-[12px] font-mono text-white/20 mt-1">
-                {bio().length}/160
-              </p>
+            <div class="flex flex-col gap-4 mb-8">
+              <div>
+                <label class="block text-[12px] font-mono font-medium uppercase tracking-[0.05em] text-white/60 mb-2">
+                  display name *
+                </label>
+                <input
+                  type="text"
+                  class="w-full bg-black border-2 border-white/20 text-white text-[16px] px-4 py-3 outline-none placeholder:text-white/30 focus:border-orange transition-colors duration-200"
+                  placeholder="what should people call you?"
+                  value={displayName()}
+                  onInput={(e) => setDisplayName(e.currentTarget.value)}
+                  maxLength={32}
+                  autofocus
+                />
+                <p class="text-[12px] font-mono text-white/20 mt-1">
+                  {displayName().length}/32
+                </p>
+              </div>
+
+              <div>
+                <label class="block text-[12px] font-mono font-medium uppercase tracking-[0.05em] text-white/60 mb-2">
+                  bio (optional)
+                </label>
+                <textarea
+                  class="w-full bg-black border-2 border-white/20 text-white text-[16px] px-4 py-3 outline-none placeholder:text-white/30 focus:border-orange transition-colors duration-200 resize-none"
+                  placeholder="tell peers a bit about yourself"
+                  value={bio()}
+                  onInput={(e) => setBio(e.currentTarget.value)}
+                  maxLength={160}
+                  rows={3}
+                />
+                <p class="text-[12px] font-mono text-white/20 mt-1">
+                  {bio().length}/160
+                </p>
+              </div>
             </div>
+
+            <Button
+              variant="primary"
+              fullWidth
+              onClick={handleCreate}
+              disabled={!displayName().trim() || isCreating()}
+            >
+              {isCreating() ? "generating keypair..." : "create identity"}
+            </Button>
+
+            <p class="text-[12px] font-mono text-white/20 text-center mt-4">
+              an ed25519 keypair will be generated and stored locally on your
+              device
+            </p>
           </div>
+        </Match>
+      </Switch>
 
-          <Button
-            variant="primary"
-            fullWidth
-            onClick={handleCreate}
-            disabled={!displayName().trim() || isCreating()}
-          >
-            {isCreating() ? "generating keypair..." : "create identity"}
-          </Button>
-
-          <p class="text-[12px] font-mono text-white/20 text-center mt-4">
-            an ed25519 keypair will be generated and stored locally on your
-            device
+      {/* dev mode indicator*/}
+      <Show when={"__TAURI_INTERNALS__" in window}>
+        <div class="fixed bottom-6 left-0 right-0 text-center">
+          <p class="text-[11px] font-mono text-white/10 uppercase tracking-[0.1em]">
+            development version
           </p>
         </div>
       </Show>
-
-      {/* subtle branding at bottom */}
-      <div class="fixed bottom-6 left-0 right-0 text-center">
-        <p class="text-[11px] font-mono text-white/10 uppercase tracking-[0.1em]">
-          dusk protocol v0.1.0
-        </p>
-      </div>
     </div>
   );
 };

src/components/auth/SplashScreen.tsx

@@ -0,0 +1,234 @@
+import {
+  Component,
+  createSignal,
+  createEffect,
+  onMount,
+  Show,
+  onCleanup,
+} from "solid-js";
+import type { PublicIdentity } from "../../lib/types";
+import { checkInternetConnectivity } from "../../lib/tauri";
+
+interface SplashScreenProps {
+  onComplete: () => void;
+  identity: PublicIdentity | null;
+  relayConnected: boolean;
+}
+
+const SplashScreen: Component<SplashScreenProps> = (props) => {
+  const [fading, setFading] = createSignal(false);
+  const [animationComplete, setAnimationComplete] = createSignal(false);
+  const [showWelcome, setShowWelcome] = createSignal(false);
+  const [svgMounted, setSvgMounted] = createSignal(true);
+  const [retrying, setRetrying] = createSignal(false);
+  // null = not checked yet, true = internet works, false = no internet
+  const [hasInternet, setHasInternet] = createSignal<boolean | null>(null);
+
+  // refs for exit SMIL animations so we can trigger them programmatically
+  let exitOrangeCx: SVGAnimateElement | undefined;
+  let exitOrangeOpacity: SVGAnimateElement | undefined;
+  let exitBlackCx: SVGAnimateElement | undefined;
+  let exitBlackOpacity: SVGAnimateElement | undefined;
+
+  let animTimer: ReturnType<typeof setTimeout>;
+  let exitTimer: ReturnType<typeof setTimeout>;
+  let loopTimer: ReturnType<typeof setTimeout>;
+
+  function clearTimers() {
+    clearTimeout(animTimer);
+    clearTimeout(exitTimer);
+    clearTimeout(loopTimer);
+  }
+
+  function startCycle() {
+    clearTimers();
+
+    animTimer = setTimeout(() => setAnimationComplete(true), 3450);
+
+    // if no connection after 5s, play exit and loop
+    exitTimer = setTimeout(() => {
+      if (props.relayConnected) return;
+
+      setRetrying(true);
+
+      // probe well-known hosts to determine if the issue is local or relay-side
+      checkInternetConnectivity()
+        .then((connected) => setHasInternet(connected))
+        .catch(() => setHasInternet(false));
+
+      // trigger reverse SMIL animations
+      exitOrangeCx?.beginElement();
+      exitOrangeOpacity?.beginElement();
+      exitBlackCx?.beginElement();
+      exitBlackOpacity?.beginElement();
+
+      // after exit finishes, unmount svg briefly to reset all animations
+      loopTimer = setTimeout(() => {
+        setAnimationComplete(false);
+        setSvgMounted(false);
+
+        requestAnimationFrame(() => {
+          setSvgMounted(true);
+          startCycle();
+        });
+      }, 700);
+    }, 5000);
+  }
+
+  onMount(() => startCycle());
+
+  // handle successful relay connection
+  createEffect(() => {
+    if (animationComplete() && props.relayConnected && props.identity) {
+      clearTimers();
+      setRetrying(false);
+      setShowWelcome(true);
+      setTimeout(() => setFading(true), 1200);
+      setTimeout(() => props.onComplete(), 1700);
+    }
+  });
+
+  onCleanup(() => clearTimers());
+
+  // derived status text to keep jsx clean
+  const statusText = () => {
+    if (showWelcome()) return null;
+    if (retrying()) return "retrying connection...";
+    if (animationComplete()) return "connecting...";
+    return "loading dusk...";
+  };
+
+  // secondary diagnostic message shown when retrying
+  const connectivityHint = () => {
+    if (!retrying() || hasInternet() === null) return null;
+    if (hasInternet()) {
+      return "your connection is working, we can't reach the relay server right now";
+    }
+    return "your internet connection is down. please troubleshoot your connection";
+  };
+
+  return (
+    <div
+      class="fixed inset-0 z-[9999] bg-black flex items-center justify-center"
+      classList={{ "splash-fadeout": fading() }}
+    >
+      <div class="flex flex-col items-center gap-8">
+        <Show when={svgMounted()}>
+          <svg
+            width="160"
+            height="160"
+            viewBox="0 0 128 128"
+            xmlns="http://www.w3.org/2000/svg"
+          >
+            {/* orange pops in at 2s (mostly visible on right), then slides left (80px travel) */}
+            <circle
+              cx="144"
+              cy="64"
+              r="40"
+              fill="#FF4F00"
+              class="splash-orange"
+            >
+              {/* entry: slide into crescent position */}
+              <animate
+                attributeName="cx"
+                from="144"
+                to="64"
+                dur="300ms"
+                begin="2.6s"
+                fill="freeze"
+                calcMode="spline"
+                keySplines="0.22, 1, 0.36, 1"
+              />
+              {/* exit: slide back off-screen right */}
+              <animate
+                ref={exitOrangeCx}
+                attributeName="cx"
+                from="64"
+                to="200"
+                dur="500ms"
+                begin="indefinite"
+                fill="freeze"
+                calcMode="spline"
+                keySplines="0.33, 0, 0.67, 1"
+              />
+              {/* exit: fade out */}
+              <animate
+                ref={exitOrangeOpacity}
+                attributeName="opacity"
+                from="1"
+                to="0"
+                dur="400ms"
+                begin="indefinite"
+                fill="freeze"
+              />
+            </circle>
+            {/* black slides in from the left (80px travel) to carve the crescent */}
+            <circle cx="-30" cy="52.3" r="33" fill="#000000" opacity="0">
+              {/* entry: slide into mask position */}
+              <animate
+                attributeName="cx"
+                from="-32"
+                to="48"
+                dur="300ms"
+                begin="2.6s"
+                fill="freeze"
+                calcMode="paced"
+                keySplines="0.22, 1, 0.36, 1"
+              />
+              <animate
+                attributeName="opacity"
+                from="0"
+                to="1"
+                dur="50ms"
+                begin="2.6s"
+                fill="freeze"
+              />
+              {/* exit: slide back off-screen left */}
+              <animate
+                ref={exitBlackCx}
+                attributeName="cx"
+                from="48"
+                to="-60"
+                dur="500ms"
+                begin="indefinite"
+                fill="freeze"
+                calcMode="spline"
+                keySplines="0.33, 0, 0.67, 1"
+              />
+              {/* exit: fade out */}
+              <animate
+                ref={exitBlackOpacity}
+                attributeName="opacity"
+                from="1"
+                to="0"
+                dur="400ms"
+                begin="indefinite"
+                fill="freeze"
+              />
+            </circle>
+          </svg>
+        </Show>
+        <Show when={statusText()}>
+          <p
+            class="text-white/60 text-sm font-sans"
+            classList={{ "animate-pulse": !showWelcome() }}
+          >
+            {statusText()}
+          </p>
+        </Show>
+        <Show when={connectivityHint()}>
+          <p class="text-white/40 text-xs font-sans max-w-xs text-center">
+            {connectivityHint()}
+          </p>
+        </Show>
+        <Show when={showWelcome() && props.identity}>
+          <p class="text-white/60 text-sm font-sans">
+            connected to dusk chat, welcome {props.identity?.display_name}!
+          </p>
+        </Show>
+      </div>
+    </div>
+  );
+};
+
+export default SplashScreen;

src/components/chat/Message.tsx

@@ -6,6 +6,7 @@ import { removeMessage } from "../../stores/messages";
 import { activeCommunityId } from "../../stores/communities";
 import { identity } from "../../stores/identity";
 import Avatar from "../common/Avatar";
+import { openProfileCard } from "../../stores/ui";
 import * as tauri from "../../lib/tauri";
 
 interface MessageProps {
@@ -15,7 +16,10 @@ interface MessageProps {
 }
 
 const Message: Component<MessageProps> = (props) => {
-  const [contextMenu, setContextMenu] = createSignal<{ x: number; y: number } | null>(null);
+  const [contextMenu, setContextMenu] = createSignal<{
+    x: number;
+    y: number;
+  } | null>(null);
 
   const currentUser = () => identity();
   const currentCommunityId = () => activeCommunityId();
@@ -48,6 +52,16 @@ const Message: Component<MessageProps> = (props) => {
     closeContextMenu();
   }
 
+  function handleProfileClick(e: MouseEvent) {
+    e.stopPropagation();
+    openProfileCard({
+      peerId: props.message.author_id,
+      displayName: props.message.author_name,
+      anchorX: e.clientX,
+      anchorY: e.clientY,
+    });
+  }
+
   // close context menu on click outside
   if (typeof window !== "undefined") {
     window.addEventListener("click", closeContextMenu);
@@ -70,17 +84,25 @@ const Message: Component<MessageProps> = (props) => {
           </div>
         }
       >
-        <div class="w-10 shrink-0 pt-0.5">
+        <button
+          type="button"
+          class="w-10 shrink-0 pt-0.5 cursor-pointer"
+          onClick={handleProfileClick}
+        >
           <Avatar name={props.message.author_name} size="md" />
-        </div>
+        </button>
       </Show>
 
       <div class="flex-1 min-w-0">
         <Show when={props.isFirstInGroup}>
           <div class="flex items-baseline gap-2 mb-0.5">
-            <span class="text-[16px] font-medium text-white">
+            <button
+              type="button"
+              class="text-[16px] font-medium text-white hover:text-orange transition-colors duration-200 cursor-pointer"
+              onClick={handleProfileClick}
+            >
               {props.message.author_name}
-            </span>
+            </button>
             <span class="text-[12px] font-mono text-white/50">
               {formatTime(props.message.timestamp)}
             </span>

src/components/chat/MessageList.tsx

@@ -35,7 +35,7 @@ const MessageList: Component<MessageListProps> = (props) => {
 
   // auto-scroll when new messages arrive if user is at the bottom
   createEffect(() => {
-    const _ = props.messages.length;
+    void props.messages.length;
     if (isAtBottom()) {
       // defer to allow dom update
       requestAnimationFrame(() => scrollToBottom(true));

src/components/common/ProfileCard.tsx

@@ -0,0 +1,319 @@
+import type { Component } from "solid-js";
+import { Show, createMemo, createEffect, onCleanup } from "solid-js";
+import { Portal } from "solid-js/web";
+import { UserPlus, UserMinus, Copy, Check } from "lucide-solid";
+import { createSignal } from "solid-js";
+import Avatar from "./Avatar";
+import {
+  profileCardTarget,
+  closeProfileCard,
+  openProfileModal,
+} from "../../stores/ui";
+import { members } from "../../stores/members";
+import { knownPeers } from "../../stores/directory";
+import { identity } from "../../stores/identity";
+import { markAsFriend, unmarkAsFriend } from "../../stores/directory";
+import * as tauri from "../../lib/tauri";
+import { formatTime } from "../../lib/utils";
+
+const ProfileCard: Component = () => {
+  const [copied, setCopied] = createSignal(false);
+  let cardRef: HTMLDivElement | undefined;
+
+  const target = () => profileCardTarget();
+  const isOpen = () => target() !== null;
+  const isSelf = () => target()?.peerId === identity()?.peer_id;
+
+  // pull rich info from member list or directory
+  const memberInfo = createMemo(() => {
+    const t = target();
+    if (!t) return null;
+    return members().find((m) => m.peer_id === t.peerId) ?? null;
+  });
+
+  const directoryInfo = createMemo(() => {
+    const t = target();
+    if (!t) return null;
+    return knownPeers().find((p) => p.peer_id === t.peerId) ?? null;
+  });
+
+  const displayName = () =>
+    memberInfo()?.display_name ??
+    directoryInfo()?.display_name ??
+    target()?.displayName ??
+    "Unknown";
+
+  const bio = () =>
+    directoryInfo()?.bio || (isSelf() ? identity()?.bio : "") || "";
+  const isFriend = () => directoryInfo()?.is_friend ?? false;
+  const status = () => memberInfo()?.status ?? "Offline";
+  const roles = () => memberInfo()?.roles ?? [];
+  const joinedAt = () => memberInfo()?.joined_at ?? 0;
+
+  // close on escape or click outside
+  function handleKeydown(e: KeyboardEvent) {
+    if (e.key === "Escape") closeProfileCard();
+  }
+
+  function handleClickOutside(e: MouseEvent) {
+    if (cardRef && !cardRef.contains(e.target as Node)) {
+      closeProfileCard();
+    }
+  }
+
+  createEffect(() => {
+    if (isOpen()) {
+      // delay listener registration to avoid the triggering click from closing it
+      requestAnimationFrame(() => {
+        document.addEventListener("mousedown", handleClickOutside);
+      });
+      document.addEventListener("keydown", handleKeydown);
+    }
+  });
+
+  onCleanup(() => {
+    document.removeEventListener("mousedown", handleClickOutside);
+    document.removeEventListener("keydown", handleKeydown);
+  });
+
+  // close and re-register listeners whenever the target changes
+  createEffect(() => {
+    if (!isOpen()) {
+      document.removeEventListener("mousedown", handleClickOutside);
+      document.removeEventListener("keydown", handleKeydown);
+    }
+  });
+
+  // compute position to stay within viewport
+  const cardPosition = createMemo(() => {
+    const t = target();
+    if (!t) return { top: 0, left: 0 };
+
+    const cardWidth = 320;
+    const cardHeight = 340;
+    const margin = 12;
+    const vw = window.innerWidth;
+    const vh = window.innerHeight;
+
+    let left = t.anchorX + margin;
+    let top = t.anchorY - cardHeight / 3;
+
+    // flip horizontally if overflowing right
+    if (left + cardWidth > vw - margin) {
+      left = t.anchorX - cardWidth - margin;
+    }
+
+    // clamp vertically
+    if (top < margin) top = margin;
+    if (top + cardHeight > vh - margin) top = vh - cardHeight - margin;
+
+    return { top, left };
+  });
+
+  async function handleToggleFriend() {
+    const t = target();
+    if (!t) return;
+
+    try {
+      if (isFriend()) {
+        await tauri.removeFriend(t.peerId);
+        unmarkAsFriend(t.peerId);
+      } else {
+        await tauri.addFriend(t.peerId);
+        markAsFriend(t.peerId);
+      }
+    } catch (e) {
+      console.error("failed to toggle friend:", e);
+    }
+  }
+
+  async function handleCopyPeerId() {
+    const t = target();
+    if (!t) return;
+
+    try {
+      await navigator.clipboard.writeText(t.peerId);
+      setCopied(true);
+      setTimeout(() => setCopied(false), 2000);
+    } catch {
+      // clipboard api may fail outside secure contexts
+    }
+  }
+
+  function handleOpenFullProfile() {
+    const t = target();
+    if (t) openProfileModal(t.peerId);
+  }
+
+  const statusLabel = () => {
+    const s = status();
+    if (s === "Online") return "online";
+    if (s === "Idle") return "idle";
+    return "offline";
+  };
+
+  const statusColor = () => {
+    const s = status();
+    if (s === "Online") return "bg-success";
+    if (s === "Idle") return "bg-warning";
+    return "bg-gray-300";
+  };
+
+  return (
+    <Show when={isOpen()}>
+      <Portal>
+        <div
+          ref={cardRef}
+          class="fixed z-2000 w-[320px] bg-gray-900 border border-white/20 animate-scale-in overflow-hidden"
+          style={{
+            top: `${cardPosition().top}px`,
+            left: `${cardPosition().left}px`,
+          }}
+        >
+          {/* header banner */}
+          <div class="h-16 bg-linear-to-r from-orange/30 to-orange/10" />
+
+          {/* avatar overlapping the banner */}
+          <div class="px-4 -mt-8">
+            <button
+              type="button"
+              class="cursor-pointer"
+              onClick={handleOpenFullProfile}
+            >
+              <Avatar
+                name={displayName()}
+                size="xl"
+                status={status()}
+                showStatus
+              />
+            </button>
+          </div>
+
+          {/* user info */}
+          <div class="px-4 pt-2 pb-3">
+            <div class="flex items-center gap-2">
+              <button
+                type="button"
+                class="text-[18px] font-semibold text-white truncate hover:text-orange transition-colors duration-200 cursor-pointer"
+                onClick={handleOpenFullProfile}
+              >
+                {displayName()}
+              </button>
+              <Show when={isSelf()}>
+                <span class="text-[11px] font-mono text-white/40 shrink-0">
+                  (you)
+                </span>
+              </Show>
+            </div>
+
+            {/* status indicator */}
+            <div class="flex items-center gap-1.5 mt-1">
+              <div class={`w-2 h-2 rounded-full ${statusColor()}`} />
+              <span class="text-[12px] font-mono text-white/50">
+                {statusLabel()}
+              </span>
+            </div>
+
+            {/* bio */}
+            <Show when={bio()}>
+              <p class="text-[13px] text-white/70 mt-2 leading-relaxed line-clamp-3">
+                {bio()}
+              </p>
+            </Show>
+          </div>
+
+          {/* metadata section */}
+          <div class="border-t border-white/10 mx-4" />
+
+          <div class="px-4 py-3 space-y-2">
+            {/* roles */}
+            <Show when={roles().length > 0}>
+              <div>
+                <span class="text-[11px] font-mono uppercase tracking-[0.05em] text-white/40">
+                  roles
+                </span>
+                <div class="flex flex-wrap gap-1.5 mt-1">
+                  {roles().map((role) => (
+                    <span class="text-[11px] font-mono px-2 py-0.5 bg-orange/15 text-orange border border-orange/30">
+                      {role}
+                    </span>
+                  ))}
+                </div>
+              </div>
+            </Show>
+
+            {/* joined date */}
+            <Show when={joinedAt() > 0}>
+              <div>
+                <span class="text-[11px] font-mono uppercase tracking-[0.05em] text-white/40">
+                  member since
+                </span>
+                <p class="text-[12px] font-mono text-white/60 mt-0.5">
+                  {formatTime(joinedAt())}
+                </p>
+              </div>
+            </Show>
+
+            {/* peer id */}
+            <div>
+              <span class="text-[11px] font-mono uppercase tracking-[0.05em] text-white/40">
+                peer id
+              </span>
+              <button
+                type="button"
+                class="flex items-center gap-1.5 mt-0.5 group cursor-pointer"
+                onClick={handleCopyPeerId}
+              >
+                <span class="text-[11px] font-mono text-white/40 group-hover:text-white/60 transition-colors duration-200 truncate max-w-55">
+                  {target()?.peerId}
+                </span>
+                <Show
+                  when={copied()}
+                  fallback={
+                    <Copy
+                      size={12}
+                      class="shrink-0 text-white/30 group-hover:text-white/50 transition-colors duration-200"
+                    />
+                  }
+                >
+                  <Check size={12} class="shrink-0 text-success" />
+                </Show>
+              </button>
+            </div>
+          </div>
+
+          {/* action buttons */}
+          <Show when={!isSelf()}>
+            <div class="border-t border-white/10 mx-4" />
+            <div class="px-4 py-3 flex gap-2">
+              <button
+                type="button"
+                class={`flex items-center gap-1.5 px-3 py-1.5 text-[12px] font-medium transition-colors duration-200 cursor-pointer ${
+                  isFriend()
+                    ? "text-red-400 border border-red-400/30 hover:bg-red-400/10"
+                    : "text-orange border border-orange/30 hover:bg-orange/10"
+                }`}
+                onClick={handleToggleFriend}
+              >
+                <Show
+                  when={isFriend()}
+                  fallback={
+                    <>
+                      <UserPlus size={14} />
+                      add friend
+                    </>
+                  }
+                >
+                  <UserMinus size={14} />
+                  remove friend
+                </Show>
+              </button>
+            </div>
+          </Show>
+        </div>
+      </Portal>
+    </Show>
+  );
+};
+
+export default ProfileCard;

src/components/common/ProfileModal.tsx

@@ -0,0 +1,464 @@
+import type { Component } from "solid-js";
+import {
+  Show,
+  For,
+  createMemo,
+  createSignal,
+  onMount,
+  onCleanup,
+} from "solid-js";
+import { Portal } from "solid-js/web";
+import {
+  X,
+  UserPlus,
+  UserMinus,
+  Copy,
+  Check,
+  Shield,
+  Clock,
+  Fingerprint,
+  Server,
+  Info,
+} from "lucide-solid";
+import Avatar from "./Avatar";
+import { profileModalPeerId, closeProfileModal } from "../../stores/ui";
+import { members } from "../../stores/members";
+import {
+  knownPeers,
+  markAsFriend,
+  unmarkAsFriend,
+} from "../../stores/directory";
+import { identity } from "../../stores/identity";
+import { communities } from "../../stores/communities";
+import * as tauri from "../../lib/tauri";
+import { formatTime } from "../../lib/utils";
+
+const ProfileModal: Component = () => {
+  const [copiedId, setCopiedId] = createSignal(false);
+  const [copiedKey, setCopiedKey] = createSignal(false);
+  const [showPeerIdInfo, setShowPeerIdInfo] = createSignal(false);
+  const [showPublicKeyInfo, setShowPublicKeyInfo] = createSignal(false);
+
+  const peerId = () => profileModalPeerId();
+  const isOpen = () => peerId() !== null;
+  const isSelf = () => peerId() === identity()?.peer_id;
+
+  const memberInfo = createMemo(() => {
+    const id = peerId();
+    if (!id) return null;
+    return members().find((m) => m.peer_id === id) ?? null;
+  });
+
+  const directoryInfo = createMemo(() => {
+    const id = peerId();
+    if (!id) return null;
+    return knownPeers().find((p) => p.peer_id === id) ?? null;
+  });
+
+  const displayName = () =>
+    memberInfo()?.display_name ?? directoryInfo()?.display_name ?? "Unknown";
+
+  const bio = () =>
+    directoryInfo()?.bio || (isSelf() ? identity()?.bio : "") || "";
+
+  const isFriend = () => directoryInfo()?.is_friend ?? false;
+  const status = () => memberInfo()?.status ?? "Offline";
+  const roles = () => memberInfo()?.roles ?? [];
+  const joinedAt = () => memberInfo()?.joined_at ?? 0;
+  const publicKey = () =>
+    directoryInfo()?.public_key ?? identity()?.public_key ?? "";
+  const lastSeen = () => directoryInfo()?.last_seen ?? 0;
+  const trustLevel = () => memberInfo()?.trust_level ?? 0;
+
+  // communities the user is a member of (only meaningful for self right now,
+  // but the structure supports it once we track per-community membership)
+  const mutualCommunities = createMemo(() => {
+    if (isSelf()) return communities();
+    // for remote peers we don't have cross-community membership data yet,
+    // so return the current community if they're a member of it
+    const id = peerId();
+    if (!id) return [];
+    const isMember = members().some((m) => m.peer_id === id);
+    if (!isMember) return [];
+    // just show active community for now
+    return communities().slice(0, 1);
+  });
+
+  const createdAt = () => {
+    if (isSelf()) return identity()?.created_at ?? 0;
+    return 0;
+  };
+
+  function handleKeydown(e: KeyboardEvent) {
+    if (e.key === "Escape") closeProfileModal();
+  }
+
+  function handleBackdropClick(e: MouseEvent) {
+    if (e.target === e.currentTarget) closeProfileModal();
+  }
+
+  onMount(() => {
+    document.addEventListener("keydown", handleKeydown);
+  });
+
+  onCleanup(() => {
+    document.removeEventListener("keydown", handleKeydown);
+  });
+
+  async function handleToggleFriend() {
+    const id = peerId();
+    if (!id) return;
+
+    try {
+      if (isFriend()) {
+        await tauri.removeFriend(id);
+        unmarkAsFriend(id);
+      } else {
+        await tauri.addFriend(id);
+        markAsFriend(id);
+      }
+    } catch (e) {
+      console.error("failed to toggle friend:", e);
+    }
+  }
+
+  async function copyToClipboard(text: string, setter: (v: boolean) => void) {
+    try {
+      await navigator.clipboard.writeText(text);
+      setter(true);
+      setTimeout(() => setter(false), 2000);
+    } catch {
+      // clipboard api may fail outside secure contexts
+    }
+  }
+
+  const statusLabel = () => {
+    const s = status();
+    if (s === "Online") return "online";
+    if (s === "Idle") return "idle";
+    return "offline";
+  };
+
+  const statusColor = () => {
+    const s = status();
+    if (s === "Online") return "bg-success";
+    if (s === "Idle") return "bg-warning";
+    return "bg-gray-300";
+  };
+
+  // truncate public key for display
+  const truncatedKey = () => {
+    const key = publicKey();
+    if (!key || key.length < 20) return key;
+    return `${key.slice(0, 12)}...${key.slice(-12)}`;
+  };
+
+  return (
+    <Show when={isOpen()}>
+      <Portal>
+        <div
+          class="fixed inset-0 z-1000 flex items-center justify-center bg-black/80 animate-fade-in"
+          onClick={handleBackdropClick}
+        >
+          <div class="bg-gray-900 border-2 border-white/20 w-full max-w-130 mx-4 animate-scale-in relative overflow-hidden">
+            {/* banner */}
+            <div class="h-24 bg-linear-to-r from-orange/30 via-orange/15 to-orange/5 relative">
+              <button
+                type="button"
+                class="absolute top-3 right-3 w-8 h-8 flex items-center justify-center text-white/60 hover:text-white transition-colors duration-200 cursor-pointer bg-black/30 hover:bg-black/50"
+                onClick={closeProfileModal}
+              >
+                <X size={18} />
+              </button>
+            </div>
+
+            {/* avatar overlapping banner */}
+            <div class="px-6 -mt-10 flex items-end gap-4">
+              <div class="shrink-0">
+                <Avatar
+                  name={displayName()}
+                  size="xl"
+                  status={status()}
+                  showStatus
+                />
+              </div>
+              <div class="pb-1 min-w-0 flex-1">
+                <div class="flex items-center gap-2">
+                  <h2 class="text-[22px] font-bold text-white truncate">
+                    {displayName()}
+                  </h2>
+                  <Show when={isSelf()}>
+                    <span class="text-[11px] font-mono text-white/40 shrink-0">
+                      (you)
+                    </span>
+                  </Show>
+                </div>
+                <div class="flex items-center gap-1.5">
+                  <div class={`w-2 h-2 rounded-full ${statusColor()}`} />
+                  <span class="text-[12px] font-mono text-white/50">
+                    {statusLabel()}
+                  </span>
+                </div>
+              </div>
+            </div>
+
+            {/* body */}
+            <div class="px-6 pt-4 pb-5 space-y-5 max-h-[60vh] overflow-y-auto">
+              {/* bio section */}
+              <Show when={bio()}>
+                <div>
+                  <SectionLabel text="about me" />
+                  <p class="text-[14px] text-white/80 leading-relaxed whitespace-pre-wrap">
+                    {bio()}
+                  </p>
+                </div>
+              </Show>
+
+              {/* roles */}
+              <Show when={roles().length > 0}>
+                <div>
+                  <SectionLabel text="roles" />
+                  <div class="flex flex-wrap gap-1.5">
+                    <For each={roles()}>
+                      {(role) => (
+                        <span class="text-[12px] font-mono px-2.5 py-1 bg-orange/15 text-orange border border-orange/30">
+                          {role}
+                        </span>
+                      )}
+                    </For>
+                  </div>
+                </div>
+              </Show>
+
+              {/* info grid */}
+              <div>
+                <SectionLabel text="info" />
+                <div class="space-y-3">
+                  {/* member since */}
+                  <Show when={joinedAt() > 0}>
+                    <InfoRow
+                      icon={Clock}
+                      label="member since"
+                      value={formatTime(joinedAt())}
+                    />
+                  </Show>
+
+                  {/* account created */}
+                  <Show when={createdAt() > 0}>
+                    <InfoRow
+                      icon={Clock}
+                      label="account created"
+                      value={formatTime(createdAt())}
+                    />
+                  </Show>
+
+                  {/* last seen (for non-online peers) */}
+                  <Show
+                    when={!isSelf() && status() !== "Online" && lastSeen() > 0}
+                  >
+                    <InfoRow
+                      icon={Clock}
+                      label="last seen"
+                      value={formatTime(lastSeen())}
+                    />
+                  </Show>
+
+                  {/* trust level */}
+                  <Show when={trustLevel() > 0}>
+                    <InfoRow
+                      icon={Shield}
+                      label="trust level"
+                      value={`${trustLevel()}`}
+                    />
+                  </Show>
+                </div>
+              </div>
+
+              {/* mutual communities */}
+              <Show when={!isSelf() && mutualCommunities().length > 0}>
+                <div>
+                  <SectionLabel text="mutual communities" />
+                  <div class="space-y-1.5">
+                    <For each={mutualCommunities()}>
+                      {(community) => (
+                        <div class="flex items-center gap-2.5 px-3 py-2 bg-black/30 border border-white/5">
+                          <Server size={14} class="text-white/40 shrink-0" />
+                          <span class="text-[13px] text-white/70 truncate">
+                            {community.name}
+                          </span>
+                        </div>
+                      )}
+                    </For>
+                  </div>
+                </div>
+              </Show>
+
+              {/* cryptographic identity */}
+              <div>
+                <SectionLabel text="identity" />
+                <div class="space-y-2.5">
+                  {/* peer id */}
+                  <div class="flex items-start gap-2.5">
+                    <Fingerprint
+                      size={14}
+                      class="text-white/30 shrink-0 mt-0.5"
+                    />
+                    <div class="min-w-0 flex-1">
+                      <div class="flex items-center gap-1.5">
+                        <span class="text-[11px] font-mono text-white/40">
+                          peer id
+                        </span>
+                        <button
+                          type="button"
+                          class="cursor-pointer text-white/25 hover:text-white/50 transition-colors duration-200"
+                          onClick={() => setShowPeerIdInfo((v) => !v)}
+                        >
+                          <Info size={11} />
+                        </button>
+                      </div>
+                      <Show when={showPeerIdInfo()}>
+                        <p class="text-[11px] text-white/40 leading-relaxed mt-1 mb-1.5">
+                          a unique identifier for this user on the dusk
+                          peer-to-peer network. every peer gets one when they
+                          create their account. it's derived from their
+                          cryptographic keypair so it can't be faked.
+                        </p>
+                      </Show>
+                      <button
+                        type="button"
+                        class="flex items-center gap-1.5 group cursor-pointer mt-0.5"
+                        onClick={() => copyToClipboard(peerId()!, setCopiedId)}
+                      >
+                        <span class="text-[12px] font-mono text-white/50 group-hover:text-white/70 transition-colors duration-200 break-all">
+                          {peerId()}
+                        </span>
+                        <Show
+                          when={copiedId()}
+                          fallback={
+                            <Copy
+                              size={12}
+                              class="shrink-0 text-white/30 group-hover:text-white/50 transition-colors duration-200"
+                            />
+                          }
+                        >
+                          <Check size={12} class="shrink-0 text-success" />
+                        </Show>
+                      </button>
+                    </div>
+                  </div>
+
+                  {/* public key */}
+                  <Show when={publicKey()}>
+                    <div class="flex items-start gap-2.5">
+                      <Shield size={14} class="text-white/30 shrink-0 mt-0.5" />
+                      <div class="min-w-0 flex-1">
+                        <div class="flex items-center gap-1.5">
+                          <span class="text-[11px] font-mono text-white/40">
+                            public key
+                          </span>
+                          <button
+                            type="button"
+                            class="cursor-pointer text-white/25 hover:text-white/50 transition-colors duration-200"
+                            onClick={() => setShowPublicKeyInfo((v) => !v)}
+                          >
+                            <Info size={11} />
+                          </button>
+                        </div>
+                        <Show when={showPublicKeyInfo()}>
+                          <p class="text-[11px] text-white/40 leading-relaxed mt-1 mb-1.5">
+                            a cryptographic key that proves this user's
+                            identity. every message they send is signed with a
+                            matching private key, so you can trust it really
+                            came from them and wasn't tampered with.
+                          </p>
+                        </Show>
+                        <button
+                          type="button"
+                          class="flex items-center gap-1.5 group cursor-pointer mt-0.5"
+                          onClick={() =>
+                            copyToClipboard(publicKey(), setCopiedKey)
+                          }
+                        >
+                          <span class="text-[12px] font-mono text-white/50 group-hover:text-white/70 transition-colors duration-200">
+                            {truncatedKey()}
+                          </span>
+                          <Show
+                            when={copiedKey()}
+                            fallback={
+                              <Copy
+                                size={12}
+                                class="shrink-0 text-white/30 group-hover:text-white/50 transition-colors duration-200"
+                              />
+                            }
+                          >
+                            <Check size={12} class="shrink-0 text-success" />
+                          </Show>
+                        </button>
+                      </div>
+                    </div>
+                  </Show>
+                </div>
+              </div>
+            </div>
+
+            {/* action footer */}
+            <Show when={!isSelf()}>
+              <div class="border-t border-white/10 px-6 py-4 flex gap-3">
+                <button
+                  type="button"
+                  class={`flex items-center gap-2 px-4 py-2 text-[13px] font-medium transition-colors duration-200 cursor-pointer ${
+                    isFriend()
+                      ? "text-red-400 border border-red-400/30 hover:bg-red-400/10"
+                      : "text-orange border border-orange/30 hover:bg-orange/10"
+                  }`}
+                  onClick={handleToggleFriend}
+                >
+                  <Show
+                    when={isFriend()}
+                    fallback={
+                      <>
+                        <UserPlus size={16} />
+                        add friend
+                      </>
+                    }
+                  >
+                    <UserMinus size={16} />
+                    remove friend
+                  </Show>
+                </button>
+              </div>
+            </Show>
+          </div>
+        </div>
+      </Portal>
+    </Show>
+  );
+};
+
+// reusable section label
+const SectionLabel: Component<{ text: string }> = (props) => (
+  <span class="block text-[11px] font-mono uppercase tracking-[0.05em] text-white/40 mb-2">
+    {props.text}
+  </span>
+);
+
+// reusable info row with icon
+const InfoRow: Component<{
+  icon: typeof Clock;
+  label: string;
+  value: string;
+}> = (props) => (
+  <div class="flex items-center gap-2.5">
+    <props.icon size={14} class="text-white/30 shrink-0" />
+    <div class="flex items-baseline gap-2 min-w-0">
+      <span class="text-[11px] font-mono text-white/40 shrink-0">
+        {props.label}
+      </span>
+      <span class="text-[13px] font-mono text-white/60 truncate">
+        {props.value}
+      </span>
+    </div>
+  </div>
+);
+
+export default ProfileModal;

src/components/common/SidebarLayout.tsx

@@ -4,6 +4,7 @@ import UserFooter from "./UserFooter";
 interface SidebarLayoutProps {
   header?: JSX.Element;
   footer?: JSX.Element;
+  beforeFooter?: JSX.Element;
   showFooter?: boolean;
   showFooterSettings?: boolean;
   onFooterSettingsClick?: () => void;
@@ -24,6 +25,9 @@ const SidebarLayout: Component<ParentProps<SidebarLayoutProps>> = (props) => {
         {props.children}
       </div>
 
+      {/* voice controls or other content above the user footer */}
+      {props.beforeFooter}
+
       {/* footer */}
       {props.showFooter && (
         <UserFooter

src/components/directory/UserDirectoryModal.tsx

@@ -74,12 +74,18 @@ const UserDirectoryModal: Component<UserDirectoryModalProps> = (props) => {
     }
   }
 
-  function handleMessagePeer(peerId: string, displayName: string) {
+  async function handleMessagePeer(peerId: string, displayName: string) {
     // start a dm conversation with this peer
+    try {
+      await tauri.openDMConversation(peerId, displayName);
+    } catch {
+      // fallback for demo mode or if backend call fails
+    }
     addDMConversation({
       peer_id: peerId,
       display_name: displayName,
-      status: "Online",
+      last_message: null,
+      last_message_time: null,
       unread_count: 0,
     });
     setActiveDM(peerId);

src/components/layout/AppLayout.tsx

@@ -1,6 +1,6 @@
 import type { Component } from "solid-js";
 import { Show } from "solid-js";
-import { Hash, Pin, Search, Users } from "lucide-solid";
+import { Hash, Pin, Search, Users, WifiOff } from "lucide-solid";
 import ServerList from "./ServerList";
 import ChannelList from "./ChannelList";
 import ChatArea from "./ChatArea";
@@ -20,11 +20,13 @@ import { activeCommunityId } from "../../stores/communities";
 import { activeDMPeerId } from "../../stores/dms";
 import { activeChannel } from "../../stores/channels";
 import { sidebarWidth, updateSidebarWidth } from "../../stores/sidebar";
+import { relayConnected, nodeStatus } from "../../stores/connection";
 
 interface AppLayoutProps {
   onSendMessage: (content: string) => void;
   onTyping: () => void;
   onSendDM: (content: string) => void;
+  onDMTyping: () => void;
 }
 
 const AppLayout: Component<AppLayoutProps> = (props) => {
@@ -33,6 +35,9 @@ const AppLayout: Component<AppLayoutProps> = (props) => {
   const channel = () => activeChannel();
   const showSidebar = () => sidebarVisible() && !isMobile() && !isHome();
   const showChannelHeader = () => !isHome() && channel();
+  // only warn about relay when the node is actually running
+  const showRelayWarning = () =>
+    !relayConnected() && nodeStatus() === "running";
 
   return (
     <div class="flex h-screen w-screen overflow-hidden bg-black">
@@ -42,97 +47,112 @@ const AppLayout: Component<AppLayoutProps> = (props) => {
       </Show>
 
       {/* main content area */}
-      <div class="flex flex-1 overflow-hidden min-w-0">
-        <Show
-          when={isHome()}
-          fallback={
-            <>
-              {/* community view: channel list + chat */}
-              <Show when={channelListVisible()}>
-                <ResizablePanel
-                  width={sidebarWidth()}
-                  minWidth={300}
-                  maxWidth={600}
-                  side="left"
-                  onResize={updateSidebarWidth}
-                >
-                  <ChannelList />
-                </ResizablePanel>
-              </Show>
+      <div class="flex flex-col flex-1 overflow-hidden min-w-0">
+        <Show when={showRelayWarning()}>
+          <div class="shrink-0 flex items-center gap-2 px-4 py-2 bg-orange/10 border-b border-orange/20">
+            <WifiOff size={14} class="shrink-0 text-orange" />
+            <span class="text-[13px] font-mono text-orange">
+              relay unreachable -- WAN connectivity limited, retrying in
+              background
+            </span>
+          </div>
+        </Show>
 
-              {/* chat + header container */}
-              <div class="flex flex-col flex-1 min-w-0">
-                {/* channel header */}
-                <Show when={showChannelHeader()}>
-                  <div class="h-15 shrink-0 border-b border-white/10 bg-black flex flex-col justify-end">
-                    <div class="h-12 flex items-center justify-between px-4">
-                      <div class="flex items-center gap-2 min-w-0">
-                        <Hash size={20} class="shrink-0 text-white/40" />
-                        <span class="text-[16px] font-bold text-white truncate">
-                          {channel()!.name}
-                        </span>
-                        <Show when={channel()!.topic}>
-                          <div class="w-px h-5 bg-white/20 mx-2 shrink-0" />
-                          <span class="text-[14px] text-white/40 truncate">
-                            {channel()!.topic}
-                          </span>
-                        </Show>
-                      </div>
-
-                      <div class="flex items-center gap-1 shrink-0">
-                        <IconButton label="Pinned messages">
-                          <Pin size={18} />
-                        </IconButton>
-                        <IconButton label="Search">
-                          <Search size={18} />
-                        </IconButton>
-                        <IconButton
-                          label="Toggle member list"
-                          active={sidebarVisible()}
-                          onClick={toggleSidebar}
-                        >
-                          <Users size={18} />
-                        </IconButton>
-                      </div>
-                    </div>
-                  </div>
+        <div class="flex flex-1 overflow-hidden min-w-0">
+          <Show
+            when={isHome()}
+            fallback={
+              <>
+                {/* community view: channel list + chat */}
+                <Show when={channelListVisible()}>
+                  <ResizablePanel
+                    width={sidebarWidth()}
+                    minWidth={300}
+                    maxWidth={600}
+                    side="left"
+                    onResize={updateSidebarWidth}
+                  >
+                    <ChannelList />
+                  </ResizablePanel>
                 </Show>
 
-                <div class="flex flex-1 min-w-0">
-                  <ChatArea
-                    onSendMessage={props.onSendMessage}
-                    onTyping={props.onTyping}
-                  />
-                  <Show when={showSidebar()}>
-                    <ResizablePanel
-                      width={sidebarWidth()}
-                      minWidth={300}
-                      maxWidth={600}
-                      side="right"
-                      onResize={updateSidebarWidth}
-                    >
-                      <UserSidebar />
-                    </ResizablePanel>
+                {/* chat + header container */}
+                <div class="flex flex-col flex-1 min-w-0">
+                  {/* channel header */}
+                  <Show when={showChannelHeader()}>
+                    <div class="h-15 shrink-0 border-b border-white/10 bg-black flex flex-col justify-end">
+                      <div class="h-12 flex items-center justify-between px-4">
+                        <div class="flex items-center gap-2 min-w-0">
+                          <Hash size={20} class="shrink-0 text-white/40" />
+                          <span class="text-[16px] font-bold text-white truncate">
+                            {channel()!.name}
+                          </span>
+                          <Show when={channel()!.topic}>
+                            <div class="w-px h-5 bg-white/20 mx-2 shrink-0" />
+                            <span class="text-[14px] text-white/40 truncate">
+                              {channel()!.topic}
+                            </span>
+                          </Show>
+                        </div>
+
+                        <div class="flex items-center gap-1 shrink-0">
+                          <IconButton label="Pinned messages">
+                            <Pin size={18} />
+                          </IconButton>
+                          <IconButton label="Search">
+                            <Search size={18} />
+                          </IconButton>
+                          <IconButton
+                            label="Toggle member list"
+                            active={sidebarVisible()}
+                            onClick={toggleSidebar}
+                          >
+                            <Users size={18} />
+                          </IconButton>
+                        </div>
+                      </div>
+                    </div>
                   </Show>
+
+                  <div class="flex flex-1 min-w-0">
+                    <ChatArea
+                      onSendMessage={props.onSendMessage}
+                      onTyping={props.onTyping}
+                    />
+                    <Show when={showSidebar()}>
+                      <ResizablePanel
+                        width={sidebarWidth()}
+                        minWidth={300}
+                        maxWidth={600}
+                        side="right"
+                        onResize={updateSidebarWidth}
+                      >
+                        <UserSidebar />
+                      </ResizablePanel>
+                    </Show>
+                  </div>
                 </div>
-              </div>
-            </>
-          }
-        >
-          {/* home view: dm sidebar + friends list or dm chat */}
-          <ResizablePanel
-            width={sidebarWidth()}
-            minWidth={300}
-            maxWidth={600}
-            side="left"
-            onResize={updateSidebarWidth}
+              </>
+            }
           >
-            <DMSidebar />
-          </ResizablePanel>
-          <Show when={activeDMPeerId()} fallback={<HomeView />}>
-            <DMChatArea onSendDM={props.onSendDM} />
+            {/* home view: dm sidebar + friends list or dm chat */}
+            <ResizablePanel
+              width={sidebarWidth()}
+              minWidth={300}
+              maxWidth={600}
+              side="left"
+              onResize={updateSidebarWidth}
+            >
+              <DMSidebar />
+            </ResizablePanel>
+            <Show when={activeDMPeerId()} fallback={<HomeView />}>
+              <DMChatArea
+                onSendDM={props.onSendDM}
+                onTyping={props.onDMTyping}
+              />
+            </Show>
           </Show>
-        </Show>
+        </div>
       </div>
     </div>
   );

src/components/layout/ChannelList.tsx

@@ -1,23 +1,334 @@
 import type { Component } from "solid-js";
 import { For, Show, createSignal } from "solid-js";
-import { Hash, Volume2, Plus, ChevronDown } from "lucide-solid";
+import {
+  DragDropProvider,
+  DragDropSensors,
+  SortableProvider,
+  createSortable,
+  closestCenter,
+} from "@thisbeyond/solid-dnd";
+import { Hash, Volume2, Plus, ChevronDown, FolderPlus, Mic, MicOff, Headphones, HeadphoneOff, PhoneOff } from "lucide-solid";
 import {
   channels,
+  categories,
   activeChannelId,
   setActiveChannel,
+  setChannels,
+  reorderChannels,
 } from "../../stores/channels";
 import { activeCommunity } from "../../stores/communities";
 import { openModal } from "../../stores/ui";
+import {
+  voiceChannelId,
+  voiceParticipants,
+  isInVoice,
+  joinVoice,
+  leaveVoice,
+  localMediaState,
+  toggleMute,
+  toggleDeafen,
+  voiceConnectionState,
+} from "../../stores/voice";
+import { identity } from "../../stores/identity";
 import SidebarLayout from "../common/SidebarLayout";
+import Avatar from "../common/Avatar";
+import type { ChannelMeta } from "../../lib/types";
+
+interface GhostInfo {
+  channel: ChannelMeta;
+  position: "above" | "below";
+}
+
+interface SortableChannelProps {
+  channel: ChannelMeta;
+  isActive: boolean;
+  isInVoiceChannel: boolean;
+  icon: typeof Hash;
+  onClick: () => void;
+  ghost: GhostInfo | null;
+}
+
+// translucent preview of the dragged channel at its drop position
+const GhostChannel: Component<{ name: string; icon: typeof Hash }> = (
+  props,
+) => (
+  <div class="flex items-center gap-2 w-full h-10 pr-2 pl-3 border border-dashed border-orange/30 bg-orange/5 text-white/25 pointer-events-none">
+    <props.icon size={16} class="shrink-0 text-orange/25" />
+    <span class="truncate text-[16px]">{props.name}</span>
+  </div>
+);
+
+const SortableChannel: Component<SortableChannelProps> = (props) => {
+  const sortable = createSortable(props.channel.id);
+
+  // determine styling based on active and voice channel state
+  const getContainerClass = () => {
+    if (props.isInVoiceChannel) {
+      // user is currently in this voice channel
+      return "bg-orange/20 text-white border-l-4 border-orange pl-1";
+    }
+    if (props.isActive) {
+      return "bg-gray-800 text-white border-l-4 border-orange pl-1";
+    }
+    return "text-white/60 hover:bg-gray-800 hover:text-white pl-2";
+  };
+
+  return (
+    <>
+      <Show when={props.ghost?.position === "above"}>
+        <GhostChannel name={props.ghost!.channel.name} icon={props.icon} />
+      </Show>
+      <div
+        ref={sortable.ref}
+        class={`flex items-center gap-2 w-full h-10 pr-2 pl-3 text-[16px] transition-all duration-200 cursor-pointer group ${getContainerClass()} ${
+          sortable.isActiveDraggable ? "opacity-40" : ""
+        }`}
+        onClick={props.onClick}
+        {...sortable.dragActivators}
+      >
+        <props.icon size={16} class="shrink-0 text-white/40" />
+        <span class="truncate">{props.channel.name}</span>
+      </div>
+      <Show when={props.ghost?.position === "below"}>
+        <GhostChannel name={props.ghost!.channel.name} icon={props.icon} />
+      </Show>
+    </>
+  );
+};
 
 const ChannelList: Component = () => {
-  const [textCollapsed, setTextCollapsed] = createSignal(false);
-  const [voiceCollapsed, setVoiceCollapsed] = createSignal(false);
+  // track collapsed state per section via a map keyed by section id
+  const [collapsedSections, setCollapsedSections] = createSignal<
+    Record<string, boolean>
+  >({});
+  const [activeId, setActiveId] = createSignal<string | null>(null);
+  const [droppableId, setDroppableId] = createSignal<string | null>(null);
+
+  // channels without a category, grouped by kind
+  const uncategorizedText = () =>
+    channels().filter((c) => !c.category_id && c.kind === "Text");
+  const uncategorizedVoice = () =>
+    channels().filter((c) => !c.category_id && c.kind === "Voice");
+
+  // channels belonging to a specific category
+  const channelsForCategory = (catId: string) =>
+    channels().filter((c) => c.category_id === catId);
 
-  const textChannels = () => channels().filter((c) => c.kind === "Text");
-  const voiceChannels = () => channels().filter((c) => c.kind === "Voice");
   const community = () => activeCommunity();
 
+  const toggleSection = (id: string) => {
+    setCollapsedSections((prev) => ({ ...prev, [id]: !prev[id] }));
+  };
+
+  const isSectionCollapsed = (id: string) => !!collapsedSections()[id];
+
+  const handleDragStart = ({ draggable }: any) => {
+    setActiveId(draggable.id as string);
+    setDroppableId(null);
+  };
+
+  const handleDragOver = ({ droppable }: any) => {
+    if (droppable) {
+      setDroppableId(droppable.id as string);
+    }
+  };
+
+  const handleDragEnd = ({ draggable, droppable }: any) => {
+    setActiveId(null);
+    setDroppableId(null);
+
+    if (!droppable) return;
+
+    const fromId = draggable.id as string;
+    const toId = droppable.id as string;
+
+    const allChannels = channels();
+    const fromChannel = allChannels.find((c) => c.id === fromId);
+    if (!fromChannel) return;
+
+    const toChannel = allChannels.find((c) => c.id === toId);
+
+    // only allow dragging within the same category and kind
+    if (fromChannel.kind !== toChannel?.kind) return;
+    if (fromChannel.category_id !== toChannel?.category_id) return;
+
+    // get channels in the same group
+    const groupChannels = allChannels.filter(
+      (c) =>
+        c.kind === fromChannel.kind &&
+        c.category_id === fromChannel.category_id,
+    );
+    const ids = groupChannels.map((c) => c.id);
+
+    const fromIndex = ids.indexOf(fromId);
+    const toIndex = ids.indexOf(toId);
+
+    if (fromIndex === -1 || toIndex === -1 || fromIndex === toIndex) return;
+
+    const newOrder = [...ids];
+    newOrder.splice(fromIndex, 1);
+    newOrder.splice(toIndex, 0, fromId);
+
+    // update local state with new positions
+    const otherChannels = allChannels.filter(
+      (c) =>
+        c.kind !== fromChannel.kind ||
+        c.category_id !== fromChannel.category_id,
+    );
+    const reorderedChannels = newOrder.map((id, index) => {
+      const channel = groupChannels.find((c) => c.id === id)!;
+      return { ...channel, position: index };
+    });
+
+    setChannels([...otherChannels, ...reorderedChannels]);
+    reorderChannels(newOrder);
+  };
+
+  // compute ghost placement for a given channel in its list
+  const getGhost = (
+    channelId: string,
+    channelList: ChannelMeta[],
+  ): GhostInfo | null => {
+    const active = activeId();
+    const droppable = droppableId();
+
+    if (!active || !droppable || active === droppable) return null;
+    if (channelId !== droppable) return null;
+
+    const draggedChannel = channelList.find((c) => c.id === active);
+    if (!draggedChannel) return null;
+
+    const ids = channelList.map((c) => c.id);
+    const fromIndex = ids.indexOf(active);
+    const toIndex = ids.indexOf(droppable);
+
+    if (fromIndex === -1 || toIndex === -1) return null;
+
+    return {
+      channel: draggedChannel,
+      position: fromIndex < toIndex ? "below" : "above",
+    };
+  };
+
+  // renders a collapsible channel section header
+  const SectionHeader: Component<{
+    sectionId: string;
+    label: string;
+    showAdd?: boolean;
+  }> = (props) => (
+    <div class="flex items-center justify-between pr-2">
+      <button
+        type="button"
+        class="flex items-center gap-1 flex-1 px-2 py-1.5 text-[12px] font-mono font-medium uppercase tracking-[0.05em] text-white/60 hover:text-white/80 transition-colors duration-200 cursor-pointer select-none"
+        onClick={() => toggleSection(props.sectionId)}
+      >
+        <ChevronDown
+          size={12}
+          class="transition-transform duration-300"
+          style={{
+            transform: isSectionCollapsed(props.sectionId)
+              ? "rotate(-90deg)"
+              : "rotate(0deg)",
+          }}
+        />
+        {props.label}
+      </button>
+      <Show when={props.showAdd && community()}>
+        <button
+          type="button"
+          class="text-white/30 hover:text-white/60 transition-colors duration-200 cursor-pointer"
+          onClick={() => openModal("create-channel")}
+        >
+          <Plus size={14} />
+        </button>
+      </Show>
+    </div>
+  );
+
+  // participants currently in a voice channel, including the local user
+  const voiceChannelParticipants = () => {
+    const localUser = identity();
+    const remote = voiceParticipants().filter(
+      (p) => p.peer_id !== localUser?.peer_id,
+    );
+    const all = [];
+    if (localUser) {
+      all.push({
+        peer_id: localUser.peer_id,
+        display_name: localUser.display_name,
+        is_local: true,
+        muted: localMediaState().muted,
+      });
+    }
+    for (const p of remote) {
+      all.push({
+        peer_id: p.peer_id,
+        display_name: p.display_name,
+        is_local: false,
+        muted: p.media_state.muted,
+      });
+    }
+    return all;
+  };
+
+  const handleChannelClick = (channel: ChannelMeta) => {
+    if (channel.kind === "Voice") {
+      // clicking a voice channel joins it (or switches to it)
+      const currentVoice = voiceChannelId();
+      if (currentVoice === channel.id) return;
+      joinVoice(channel.community_id, channel.id);
+    } else {
+      setActiveChannel(channel.id);
+    }
+  };
+
+  // renders a list of channels with drag-and-drop support
+  const ChannelGroup: Component<{
+    sectionId: string;
+    channelList: ChannelMeta[];
+  }> = (props) => {
+    const ids = () => props.channelList.map((c) => c.id);
+
+    return (
+      <Show when={!isSectionCollapsed(props.sectionId)}>
+        <SortableProvider ids={ids()}>
+          <For each={props.channelList}>
+            {(channel) => (
+              <>
+                <SortableChannel
+                  channel={channel}
+                  isActive={channel.kind !== "Voice" && activeChannelId() === channel.id}
+                  isInVoiceChannel={voiceChannelId() === channel.id}
+                  icon={channel.kind === "Voice" ? Volume2 : Hash}
+                  onClick={() => handleChannelClick(channel)}
+                  ghost={getGhost(channel.id, props.channelList)}
+                />
+                {/* discord-style participant list under active voice channels */}
+                <Show when={channel.kind === "Voice" && voiceChannelId() === channel.id && voiceConnectionState() === "connected"}>
+                  <div class="pl-7 py-0.5">
+                    <For each={voiceChannelParticipants()}>
+                      {(participant) => (
+                        <div class="flex items-center gap-2 px-2 py-1 text-white/60 hover:bg-white/5 transition-colors duration-150">
+                          <Avatar name={participant.display_name} size="sm" />
+                          <span class="text-[13px] truncate flex-1">
+                            {participant.display_name}
+                          </span>
+                          <Show when={participant.muted}>
+                            <MicOff size={12} class="shrink-0 text-white/30" />
+                          </Show>
+                        </div>
+                      )}
+                    </For>
+                  </div>
+                </Show>
+              </>
+            )}
+          </For>
+        </SortableProvider>
+      </Show>
+    );
+  };
+
   const header = (
     <div class="h-15 border-b border-white/10 flex flex-col justify-end">
       <div class="h-12 flex items-center justify-between px-4">
@@ -42,96 +353,162 @@ const ChannelList: Component = () => {
   );
 
   const body = (
-    <div class="py-3">
-      {/* text channels */}
-      <Show when={textChannels().length > 0}>
-        <button
-          type="button"
-          class="flex items-center gap-1 w-full px-2 py-1.5 text-[12px] font-mono font-medium uppercase tracking-[0.05em] text-white/60 hover:text-white/80 transition-colors duration-200 cursor-pointer select-none"
-          onClick={() => setTextCollapsed((v) => !v)}
-        >
-          <ChevronDown
-            size={12}
-            class="transition-transform duration-300"
-            style={{
-              transform: textCollapsed() ? "rotate(-90deg)" : "rotate(0deg)",
-            }}
+    <DragDropProvider
+      onDragStart={handleDragStart}
+      onDragOver={handleDragOver}
+      onDragEnd={handleDragEnd}
+      collisionDetector={closestCenter}
+    >
+      <DragDropSensors />
+      <div class="py-3">
+        {/* uncategorized text channels */}
+        <Show when={uncategorizedText().length > 0}>
+          <SectionHeader
+            sectionId="uncategorized-text"
+            label="text channels"
+            showAdd
           />
-          text channels
-        </button>
-        <Show when={!textCollapsed()}>
-          <For each={textChannels()}>
-            {(channel) => (
-              <button
-                type="button"
-                class={`flex items-center gap-2 w-full h-10 px-2 text-[16px] transition-all duration-200 cursor-pointer group ${
-                  activeChannelId() === channel.id
-                    ? "bg-gray-800 text-white border-l-4 border-orange pl-1.5"
-                    : "text-white/60 hover:bg-gray-800 hover:text-white"
-                }`}
-                onClick={() => setActiveChannel(channel.id)}
-              >
-                <Hash size={16} class="shrink-0 text-white/40" />
-                <span class="truncate">{channel.name}</span>
-              </button>
-            )}
-          </For>
-        </Show>
-      </Show>
-
-      {/* voice channels */}
-      <Show when={voiceChannels().length > 0}>
-        <button
-          type="button"
-          class="flex items-center gap-1 w-full px-2 py-1.5 mt-2 text-[12px] font-mono font-medium uppercase tracking-[0.05em] text-white/60 hover:text-white/80 transition-colors duration-200 cursor-pointer select-none"
-          onClick={() => setVoiceCollapsed((v) => !v)}
-        >
-          <ChevronDown
-            size={12}
-            class="transition-transform duration-300"
-            style={{
-              transform: voiceCollapsed() ? "rotate(-90deg)" : "rotate(0deg)",
-            }}
+          <ChannelGroup
+            sectionId="uncategorized-text"
+            channelList={uncategorizedText()}
           />
-          voice channels
-        </button>
-        <Show when={!voiceCollapsed()}>
-          <For each={voiceChannels()}>
-            {(channel) => (
-              <button
-                type="button"
-                class={`flex items-center gap-2 w-full h-10 px-2 text-[16px] transition-all duration-200 cursor-pointer ${
-                  activeChannelId() === channel.id
-                    ? "bg-gray-800 text-white border-l-4 border-orange pl-1.5"
-                    : "text-white/60 hover:bg-gray-800 hover:text-white"
-                }`}
-                onClick={() => setActiveChannel(channel.id)}
-              >
-                <Volume2 size={16} class="shrink-0 text-white/40" />
-                <span class="truncate">{channel.name}</span>
-              </button>
-            )}
-          </For>
         </Show>
-      </Show>
 
-      {/* add channel button */}
-      <Show when={community()}>
-        <button
-          type="button"
-          class="flex items-center gap-2 w-full h-8 px-2 mt-2 text-[13px] text-white/30 hover:text-white/60 transition-colors duration-200 cursor-pointer"
-          onClick={() => openModal("create-channel")}
+        {/* uncategorized voice channels */}
+        <Show when={uncategorizedVoice().length > 0}>
+          <div class="mt-2">
+            <SectionHeader
+              sectionId="uncategorized-voice"
+              label="voice channels"
+              showAdd
+            />
+            <ChannelGroup
+              sectionId="uncategorized-voice"
+              channelList={uncategorizedVoice()}
+            />
+          </div>
+        </Show>
+
+        {/* category sections */}
+        <For each={categories()}>
+          {(cat) => {
+            const catChannels = () => channelsForCategory(cat.id);
+            return (
+              <Show when={catChannels().length > 0 || community()}>
+                <div class="mt-2">
+                  <SectionHeader sectionId={cat.id} label={cat.name} showAdd />
+                  <ChannelGroup
+                    sectionId={cat.id}
+                    channelList={catChannels()}
+                  />
+                </div>
+              </Show>
+            );
+          }}
+        </For>
+
+        {/* create channel / create category buttons when no channels exist yet */}
+        <Show
+          when={
+            channels().length === 0 && categories().length === 0 && community()
+          }
         >
-          <Plus size={14} />
-          <span>add channel</span>
-        </button>
-      </Show>
-    </div>
+          <div class="px-2 mt-2">
+            <button
+              type="button"
+              class="flex items-center gap-2 w-full px-3 py-2 text-[14px] text-white/40 hover:text-white/60 transition-colors duration-200 cursor-pointer"
+              onClick={() => openModal("create-channel")}
+            >
+              <Plus size={14} />
+              create channel
+            </button>
+          </div>
+        </Show>
+
+        {/* create category button */}
+        <Show when={community()}>
+          <div class="px-2 mt-3 border-t border-white/5 pt-3">
+            <button
+              type="button"
+              class="flex items-center gap-2 w-full px-3 py-1.5 text-[12px] font-mono text-white/30 hover:text-white/50 transition-colors duration-200 cursor-pointer"
+              onClick={() => openModal("create-category")}
+            >
+              <FolderPlus size={12} />
+              create category
+            </button>
+          </div>
+        </Show>
+      </div>
+    </DragDropProvider>
   );
 
+  // compact voice connection panel rendered above the user footer
+  const voicePanel = () => {
+    if (!isInVoice()) return null;
+
+    const channelName = () => {
+      const id = voiceChannelId();
+      return channels().find((c) => c.id === id)?.name ?? "voice";
+    };
+
+    return (
+      <div class="shrink-0 border-t border-white/10 bg-gray-950">
+        <div class="flex items-center justify-between px-3 py-2">
+          <div class="flex flex-col min-w-0">
+            <span class="text-[11px] font-mono font-semibold text-green-400 uppercase tracking-wider">
+              voice connected
+            </span>
+            <span class="text-[12px] text-white/50 truncate">
+              {channelName()}
+            </span>
+          </div>
+          <button
+            type="button"
+            class="p-1.5 text-white/40 hover:text-red-400 transition-colors duration-200 cursor-pointer"
+            onClick={() => leaveVoice()}
+            title="Disconnect"
+          >
+            <PhoneOff size={16} />
+          </button>
+        </div>
+        <div class="flex items-center justify-center gap-1 px-3 pb-2">
+          <button
+            type="button"
+            class={`flex items-center justify-center w-8 h-8 transition-colors duration-200 cursor-pointer ${
+              localMediaState().muted
+                ? "bg-red-500/20 text-red-400"
+                : "text-white/60 hover:text-white hover:bg-white/10"
+            }`}
+            onClick={() => toggleMute()}
+            title={localMediaState().muted ? "Unmute" : "Mute"}
+          >
+            <Show when={localMediaState().muted} fallback={<Mic size={16} />}>
+              <MicOff size={16} />
+            </Show>
+          </button>
+          <button
+            type="button"
+            class={`flex items-center justify-center w-8 h-8 transition-colors duration-200 cursor-pointer ${
+              localMediaState().deafened
+                ? "bg-red-500/20 text-red-400"
+                : "text-white/60 hover:text-white hover:bg-white/10"
+            }`}
+            onClick={() => toggleDeafen()}
+            title={localMediaState().deafened ? "Undeafen" : "Deafen"}
+          >
+            <Show when={localMediaState().deafened} fallback={<Headphones size={16} />}>
+              <HeadphoneOff size={16} />
+            </Show>
+          </button>
+        </div>
+      </div>
+    );
+  };
+
   return (
     <SidebarLayout
       header={header}
+      beforeFooter={voicePanel()}
       showFooter
       showFooterSettings
       onFooterSettingsClick={() => openModal("settings")}

src/components/layout/ChatArea.tsx

@@ -12,12 +12,14 @@ interface ChatAreaProps {
   onTyping: () => void;
 }
 
+// voice channels are joined inline from the sidebar and no longer
+// render a full-screen view here -- the chat area always shows
+// the selected text channel
 const ChatArea: Component<ChatAreaProps> = (props) => {
   const channel = () => activeChannel();
 
   return (
     <div class="flex-1 flex flex-col min-w-0 bg-black">
-      {/* message area */}
       <Show
         when={channel()}
         fallback={

src/components/layout/DMChatArea.tsx

@@ -1,18 +1,57 @@
 import type { Component } from "solid-js";
-import { Show } from "solid-js";
+import { Show, createMemo } from "solid-js";
 import { AtSign } from "lucide-solid";
-import { activeDMConversation, dmMessages } from "../../stores/dms";
+import {
+  activeDMConversation,
+  dmMessages,
+  dmTypingPeers,
+} from "../../stores/dms";
+import { onlinePeerIds } from "../../stores/members";
 import MessageList from "../chat/MessageList";
 import MessageInput from "../chat/MessageInput";
+import TypingIndicator from "../chat/TypingIndicator";
 import Avatar from "../common/Avatar";
+import type { ChatMessage } from "../../lib/types";
 
 interface DMChatAreaProps {
   onSendDM: (content: string) => void;
+  onTyping: () => void;
 }
 
 const DMChatArea: Component<DMChatAreaProps> = (props) => {
   const dm = () => activeDMConversation();
 
+  // adapt DirectMessage[] to ChatMessage[] so the existing MessageList works
+  const adaptedMessages = createMemo((): ChatMessage[] =>
+    dmMessages().map((m) => ({
+      id: m.id,
+      channel_id: `dm_${m.from_peer === dm()?.peer_id ? m.from_peer : m.to_peer}`,
+      author_id: m.from_peer,
+      author_name: m.from_display_name,
+      content: m.content,
+      timestamp: m.timestamp,
+      edited: false,
+    })),
+  );
+
+  // derive peer online status from the members store or directory
+  const peerStatus = createMemo(() => {
+    const peerId = dm()?.peer_id;
+    if (!peerId) return "offline";
+    if (onlinePeerIds().has(peerId)) return "online";
+    return "offline";
+  });
+
+  // typing indicator names
+  const typingNames = createMemo(() => {
+    const typing = dmTypingPeers();
+    if (typing.length === 0) return [];
+    const peer = dm();
+    if (!peer) return [];
+    // for dms there's only ever one person who can be typing
+    return typing.includes(peer.peer_id) ? [peer.display_name] : [];
+  });
+
   return (
     <div class="flex-1 flex flex-col min-w-0 bg-black">
       {/* dm header */}
@@ -26,14 +65,10 @@ const DMChatArea: Component<DMChatAreaProps> = (props) => {
               </span>
               <span
                 class={`text-[12px] font-mono ml-1 ${
-                  dm()!.status === "Online"
-                    ? "text-success"
-                    : dm()!.status === "Idle"
-                      ? "text-warning"
-                      : "text-white/30"
+                  peerStatus() === "online" ? "text-success" : "text-white/30"
                 }`}
               >
-                {dm()!.status.toLowerCase()}
+                {peerStatus()}
               </span>
             </Show>
           </div>
@@ -42,7 +77,7 @@ const DMChatArea: Component<DMChatAreaProps> = (props) => {
 
       {/* conversation history */}
       <Show
-        when={dmMessages().length > 0}
+        when={adaptedMessages().length > 0}
         fallback={
           <div class="flex-1 flex flex-col items-center justify-center">
             <Show when={dm()}>
@@ -58,7 +93,12 @@ const DMChatArea: Component<DMChatAreaProps> = (props) => {
           </div>
         }
       >
-        <MessageList messages={dmMessages()} />
+        <MessageList messages={adaptedMessages()} />
+      </Show>
+
+      {/* typing indicator */}
+      <Show when={typingNames().length > 0}>
+        <TypingIndicator typingUsers={typingNames()} />
       </Show>
 
       {/* message input */}
@@ -66,7 +106,7 @@ const DMChatArea: Component<DMChatAreaProps> = (props) => {
         <MessageInput
           channelName={dm()!.display_name}
           onSend={props.onSendDM}
-          onTyping={() => {}}
+          onTyping={props.onTyping}
         />
       </Show>
     </div>

src/components/layout/DMSidebar.tsx

@@ -6,8 +6,11 @@ import {
   activeDMPeerId,
   setActiveDM,
   clearDMUnread,
+  removeDMConversation,
 } from "../../stores/dms";
+import { onlinePeerIds } from "../../stores/members";
 import { openModal } from "../../stores/ui";
+import * as tauri from "../../lib/tauri";
 import Avatar from "../common/Avatar";
 import Divider from "../common/Divider";
 import SidebarLayout from "../common/SidebarLayout";
@@ -23,9 +26,26 @@ const DMSidebar: Component = () => {
     );
   };
 
+  // derive status from online peer set
+  function peerStatus(peerId: string): "Online" | "Offline" {
+    return onlinePeerIds().has(peerId) ? "Online" : "Offline";
+  }
+
   function handleSelectDM(peerId: string) {
     setActiveDM(peerId);
     clearDMUnread(peerId);
+    // mark as read in the backend
+    tauri.markDMRead(peerId).catch(() => {});
+  }
+
+  async function handleDeleteConversation(e: MouseEvent, peerId: string) {
+    e.stopPropagation();
+    try {
+      await tauri.deleteDMConversation(peerId);
+      removeDMConversation(peerId);
+    } catch (err) {
+      console.error("failed to delete dm conversation:", err);
+    }
   }
 
   const header = (
@@ -86,6 +106,7 @@ const DMSidebar: Component = () => {
           type="button"
           class="text-white/40 hover:text-white transition-colors duration-200 cursor-pointer"
           title="new dm"
+          onClick={() => openModal("directory")}
         >
           <Plus size={14} />
         </button>
@@ -118,7 +139,7 @@ const DMSidebar: Component = () => {
               <Avatar
                 name={dm.display_name}
                 size="sm"
-                status={dm.status}
+                status={peerStatus(dm.peer_id)}
                 showStatus
               />
               <div class="flex-1 min-w-0 text-left">
@@ -126,11 +147,21 @@ const DMSidebar: Component = () => {
                   <span class="text-[14px] font-medium truncate">
                     {dm.display_name}
                   </span>
-                  <Show when={dm.unread_count > 0}>
-                    <span class="w-5 h-5 flex items-center justify-center bg-orange text-white text-[11px] font-bold rounded-full shrink-0">
-                      {dm.unread_count}
-                    </span>
-                  </Show>
+                  <div class="flex items-center gap-1 shrink-0">
+                    <Show when={dm.unread_count > 0}>
+                      <span class="w-5 h-5 flex items-center justify-center bg-orange text-white text-[11px] font-bold rounded-full">
+                        {dm.unread_count}
+                      </span>
+                    </Show>
+                    <button
+                      type="button"
+                      class="w-5 h-5 flex items-center justify-center text-white/0 group-hover:text-white/30 hover:!text-red-400 transition-colors duration-200 cursor-pointer"
+                      title="close conversation"
+                      onClick={(e) => handleDeleteConversation(e, dm.peer_id)}
+                    >
+                      <X size={12} />
+                    </button>
+                  </div>
                 </div>
                 <Show when={dm.last_message}>
                   <p class="text-[12px] text-white/40 truncate mt-0.5">

src/components/layout/HomeView.tsx

@@ -2,15 +2,16 @@ import type { Component } from "solid-js";
 import { For, Show, createSignal, createMemo } from "solid-js";
 import { Users, MessageCircle, Search, UserPlus } from "lucide-solid";
 import {
-  dmConversations,
   setActiveDM,
   clearDMUnread,
   addDMConversation,
 } from "../../stores/dms";
 import { knownPeers, friends } from "../../stores/directory";
+import { onlinePeerIds } from "../../stores/members";
 import { identity } from "../../stores/identity";
 import { peerCount, nodeStatus } from "../../stores/connection";
 import { openModal } from "../../stores/ui";
+import * as tauri from "../../lib/tauri";
 import Avatar from "../common/Avatar";
 import Divider from "../common/Divider";
 
@@ -21,34 +22,18 @@ const HomeView: Component = () => {
   const [searchQuery, setSearchQuery] = createSignal("");
 
   // friends list comes from directory entries marked as friends
-  // fall back to dm conversations for peers not yet in the directory
   const allPeers = createMemo(() => {
     const friendList = friends();
-    const dms = dmConversations();
+    const onlineSet = onlinePeerIds();
 
-    // merge friends from directory with dm conversations
-    const merged = friendList.map((f) => ({
+    return friendList.map((f) => ({
       peer_id: f.peer_id,
       display_name: f.display_name,
       bio: f.bio,
-      // check dm conversations for status, default to offline
-      status: (dms.find((d) => d.peer_id === f.peer_id)?.status ??
-        "Offline") as "Online" | "Idle" | "Offline",
+      status: (onlineSet.has(f.peer_id) ? "Online" : "Offline") as
+        | "Online"
+        | "Offline",
     }));
-
-    // also include dm peers that aren't yet in the friends list
-    for (const dm of dms) {
-      if (!merged.some((m) => m.peer_id === dm.peer_id)) {
-        merged.push({
-          peer_id: dm.peer_id,
-          display_name: dm.display_name,
-          bio: "",
-          status: dm.status,
-        });
-      }
-    }
-
-    return merged;
   });
 
   // directory peers (all known, not just friends)
@@ -71,11 +56,14 @@ const HomeView: Component = () => {
             p.peer_id.toLowerCase().includes(query),
         );
       }
+      const onlineSet = onlinePeerIds();
       return peers.map((p) => ({
         peer_id: p.peer_id,
         display_name: p.display_name,
         bio: p.bio,
-        status: "Online" as const,
+        status: (onlineSet.has(p.peer_id) ? "Online" : "Offline") as
+          | "Online"
+          | "Offline",
         is_friend: p.is_friend,
       }));
     }
@@ -84,7 +72,7 @@ const HomeView: Component = () => {
 
     // filter by tab
     if (tab === "online") {
-      peers = peers.filter((p) => p.status === "Online" || p.status === "Idle");
+      peers = peers.filter((p) => p.status === "Online");
     }
 
     // filter by search
@@ -96,22 +84,36 @@ const HomeView: Component = () => {
   });
 
   const onlineCount = () =>
-    allPeers().filter((p) => p.status === "Online" || p.status === "Idle")
-      .length;
+    allPeers().filter((p) => p.status === "Online").length;
 
   function handleOpenDM(peerId: string) {
-    // ensure a dm conversation exists for this peer
-    const peer = allPeers().find((p) => p.peer_id === peerId);
-    if (peer) {
-      addDMConversation({
-        peer_id: peer.peer_id,
-        display_name: peer.display_name,
-        status: peer.status,
-        unread_count: 0,
+    const peer =
+      allPeers().find((p) => p.peer_id === peerId) ??
+      directoryPeers().find((p) => p.peer_id === peerId);
+    if (!peer) return;
+
+    const displayName = peer.display_name;
+
+    // create the conversation on the backend (persists + subscribes to topic)
+    tauri
+      .openDMConversation(peerId, displayName)
+      .then((meta) => {
+        addDMConversation(meta);
+        setActiveDM(peerId);
+        clearDMUnread(peerId);
+      })
+      .catch((e) => {
+        console.error("failed to open dm conversation:", e);
+        // fallback: still open the conversation locally
+        addDMConversation({
+          peer_id: peerId,
+          display_name: displayName,
+          last_message: null,
+          last_message_time: null,
+          unread_count: 0,
+        });
+        setActiveDM(peerId);
       });
-    }
-    setActiveDM(peerId);
-    clearDMUnread(peerId);
   }
 
   const tabs: { id: FriendsTab; label: string }[] = [
@@ -259,11 +261,7 @@ const HomeView: Component = () => {
                       </p>
                     </Show>
                     <p class="text-[13px] font-mono text-white/40 lowercase">
-                      {peer.status === "Online"
-                        ? "online"
-                        : peer.status === "Idle"
-                          ? "idle"
-                          : "offline"}
+                      {peer.status === "Online" ? "online" : "offline"}
                     </p>
                   </div>
                 </div>

src/components/layout/UserSidebar.tsx

@@ -4,10 +4,17 @@ import { activeCommunityId } from "../../stores/communities";
 import { identity } from "../../stores/identity";
 import Avatar from "../common/Avatar";
 import SidebarLayout from "../common/SidebarLayout";
+import { openProfileCard } from "../../stores/ui";
 import * as tauri from "../../lib/tauri";
 
 const UserSidebar: Component = () => {
-  const [contextMenu, setContextMenu] = createSignal<{ x: number; y: number; memberId: string; memberName: string; memberRoles: string[] } | null>(null);
+  const [contextMenu, setContextMenu] = createSignal<{
+    x: number;
+    y: number;
+    memberId: string;
+    memberName: string;
+    memberRoles: string[];
+  } | null>(null);
 
   const groupedMembers = createMemo(() => {
     const memberList = members();
@@ -27,7 +34,10 @@ const UserSidebar: Component = () => {
   const currentUser = () => identity();
   const currentCommunityId = () => activeCommunityId();
 
-  function handleContextMenu(e: MouseEvent, member: { peer_id: string; display_name: string; roles: string[] }) {
+  function handleContextMenu(
+    e: MouseEvent,
+    member: { peer_id: string; display_name: string; roles: string[] },
+  ) {
     e.preventDefault();
     setContextMenu({
       x: e.clientX,
@@ -51,7 +61,9 @@ const UserSidebar: Component = () => {
     if (!user) return;
 
     const currentMember = members().find((m) => m.peer_id === user.peer_id);
-    const isAdmin = currentMember?.roles.some((r) => r === "admin" || r === "owner");
+    const isAdmin = currentMember?.roles.some(
+      (r) => r === "admin" || r === "owner",
+    );
 
     if (!isAdmin) {
       console.error("not authorized to kick members");
@@ -93,6 +105,14 @@ const UserSidebar: Component = () => {
                 <button
                   type="button"
                   class="flex items-center gap-3 w-full h-10 px-4 text-left hover:bg-gray-800 transition-colors duration-200 cursor-pointer group"
+                  onClick={(e) => {
+                    openProfileCard({
+                      peerId: member.peer_id,
+                      displayName: member.display_name,
+                      anchorX: e.clientX,
+                      anchorY: e.clientY,
+                    });
+                  }}
                   onContextMenu={(e) => handleContextMenu(e, member)}
                 >
                   <Avatar
@@ -126,9 +146,16 @@ const UserSidebar: Component = () => {
       <Show when={contextMenu()}>
         {(menu) => {
           const user = currentUser();
-          const currentMember = user ? members().find((m) => m.peer_id === user.peer_id) : null;
-          const isAdmin = currentMember?.roles.some((r) => r === "admin" || r === "owner");
-          const canKick = isAdmin && !menu().memberRoles.includes("owner") && menu().memberId !== user?.peer_id;
+          const currentMember = user
+            ? members().find((m) => m.peer_id === user.peer_id)
+            : null;
+          const isAdmin = currentMember?.roles.some(
+            (r) => r === "admin" || r === "owner",
+          );
+          const canKick =
+            isAdmin &&
+            !menu().memberRoles.includes("owner") &&
+            menu().memberId !== user?.peer_id;
 
           return (
             <div

src/components/voice/VoiceChannel.tsx

@@ -0,0 +1,128 @@
+import type { Component } from "solid-js";
+import { Show, For } from "solid-js";
+import {
+  voiceParticipants,
+  localMediaState,
+  localStream,
+  remoteStreams,
+  voiceConnectionState,
+  voiceError,
+  joinVoice,
+} from "../../stores/voice";
+import { identity } from "../../stores/identity";
+import VoiceControls from "./VoiceControls";
+import VoiceParticipantTile from "./VoiceParticipantTile";
+
+interface VoiceChannelProps {
+  communityId: string;
+  channelId: string;
+}
+
+// standalone voice channel view for when video/screen share is active
+// voice joining is handled by clicking the channel in the sidebar,
+// not by mounting this component
+const VoiceChannel: Component<VoiceChannelProps> = (props) => {
+  // get local participant info
+  const localPeerId = () => identity()?.peer_id;
+  const localDisplayName = () => identity()?.display_name ?? "You";
+
+  // build list of all participants including local user
+  const allParticipants = () => {
+    const participants = voiceParticipants();
+    const localId = localPeerId();
+
+    // filter out local user from remote participants list
+    const remoteParticipants = participants.filter(
+      (p) => p.peer_id !== localId,
+    );
+
+    // build local participant entry
+    const localParticipant = {
+      peer_id: localId ?? "local",
+      display_name: localDisplayName(),
+      media_state: localMediaState(),
+      stream: localStream(),
+      is_local: true,
+    };
+
+    // build remote participant entries with their streams
+    const remoteEntries = remoteParticipants.map((p) => ({
+      peer_id: p.peer_id,
+      display_name: p.display_name,
+      media_state: p.media_state,
+      stream: remoteStreams().get(p.peer_id) ?? null,
+      is_local: false,
+    }));
+
+    return [localParticipant, ...remoteEntries];
+  };
+
+  const participantCount = () => {
+    return allParticipants().length;
+  };
+
+  return (
+    <div class="flex flex-col h-full bg-black">
+      <div class="flex-1 overflow-auto p-4">
+        <div class="mb-4">
+          <h2 class="text-white text-lg font-semibold">Voice Channel</h2>
+          <p class="text-white/60 text-sm">
+            {participantCount()} participant
+            {participantCount() !== 1 ? "s" : ""}
+          </p>
+        </div>
+
+        {/* error state */}
+        <Show when={voiceConnectionState() === "error"}>
+          <div class="flex flex-col items-center justify-center h-64 gap-4">
+            <div class="text-white/60 text-center">
+              <p class="text-sm text-red-400 mb-2">
+                failed to connect to voice channel
+              </p>
+              <p class="text-xs text-white/40">{voiceError()}</p>
+            </div>
+            <button
+              type="button"
+              class="px-4 py-2 text-sm text-white/80 border border-white/20 hover:border-orange hover:text-white transition-colors duration-200 cursor-pointer"
+              onClick={() => joinVoice(props.communityId, props.channelId)}
+            >
+              retry
+            </button>
+          </div>
+        </Show>
+
+        {/* connecting state */}
+        <Show when={voiceConnectionState() === "connecting"}>
+          <div class="flex items-center justify-center h-64">
+            <div class="text-white/60 text-center">
+              <p class="text-sm">connecting to voice channel...</p>
+            </div>
+          </div>
+        </Show>
+
+        {/* connected state with participants grid */}
+        <Show when={voiceConnectionState() === "connected"}>
+          <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
+            <For each={allParticipants()}>
+              {(participant) => (
+                <VoiceParticipantTile
+                  peer_id={participant.peer_id}
+                  display_name={participant.display_name}
+                  media_state={participant.media_state}
+                  stream={participant.stream}
+                  is_local={participant.is_local}
+                />
+              )}
+            </For>
+          </div>
+        </Show>
+      </div>
+
+      <Show when={voiceConnectionState() === "connected"}>
+        <VoiceControls />
+      </Show>
+    </div>
+  );
+};
+
+export default VoiceChannel;

src/components/voice/VoiceControls.tsx

@@ -0,0 +1,99 @@
+import type { Component } from "solid-js";
+import { Show } from "solid-js";
+import { Mic, MicOff, Volume2, VolumeX, Video, VideoOff, Monitor, MonitorOff, PhoneOff } from "lucide-solid";
+import IconButton from "../common/IconButton";
+import { localMediaState, toggleMute, toggleDeafen, toggleVideo, toggleScreenShare, leaveVoice } from "../../stores/voice";
+
+interface VoiceControlsProps {
+  onMuteToggle?: () => void;
+  onDeafenToggle?: () => void;
+  onVideoToggle?: () => void;
+  onScreenShareToggle?: () => void;
+  onLeave?: () => void;
+}
+
+const VoiceControls: Component<VoiceControlsProps> = (props) => {
+  const handleMuteToggle = async () => {
+    await toggleMute();
+    props.onMuteToggle?.();
+  };
+
+  const handleDeafenToggle = async () => {
+    await toggleDeafen();
+    props.onDeafenToggle?.();
+  };
+
+  const handleVideoToggle = async () => {
+    await toggleVideo();
+    props.onVideoToggle?.();
+  };
+
+  const handleScreenShareToggle = async () => {
+    await toggleScreenShare();
+    props.onScreenShareToggle?.();
+  };
+
+  const handleLeave = async () => {
+    await leaveVoice();
+    props.onLeave?.();
+  };
+
+  return (
+    <div class="flex items-center justify-center gap-2 p-4 bg-black border-t border-white/10">
+      <IconButton
+        label={localMediaState().muted ? "Unmute" : "Mute"}
+        size={40}
+        active={localMediaState().muted}
+        onClick={handleMuteToggle}
+      >
+        <Show when={localMediaState().muted} fallback={<Mic size={20} />}>
+          <MicOff size={20} />
+        </Show>
+      </IconButton>
+
+      <IconButton
+        label={localMediaState().deafened ? "Undeafen" : "Deafen"}
+        size={40}
+        active={localMediaState().deafened}
+        onClick={handleDeafenToggle}
+      >
+        <Show when={localMediaState().deafened} fallback={<Volume2 size={20} />}>
+          <VolumeX size={20} />
+        </Show>
+      </IconButton>
+
+      <IconButton
+        label={localMediaState().video_enabled ? "Stop Video" : "Start Video"}
+        size={40}
+        active={localMediaState().video_enabled}
+        onClick={handleVideoToggle}
+      >
+        <Show when={localMediaState().video_enabled} fallback={<Video size={20} />}>
+          <VideoOff size={20} />
+        </Show>
+      </IconButton>
+
+      <IconButton
+        label={localMediaState().screen_sharing ? "Stop Screen Share" : "Start Screen Share"}
+        size={40}
+        active={localMediaState().screen_sharing}
+        onClick={handleScreenShareToggle}
+      >
+        <Show when={localMediaState().screen_sharing} fallback={<Monitor size={20} />}>
+          <MonitorOff size={20} />
+        </Show>
+      </IconButton>
+
+      <IconButton
+        label="Leave Voice Channel"
+        size={40}
+        onClick={handleLeave}
+        class="bg-error hover:bg-red-600"
+      >
+        <PhoneOff size={20} />
+      </IconButton>
+    </div>
+  );
+};
+
+export default VoiceControls;

src/components/voice/VoiceParticipantTile.tsx

@@ -0,0 +1,99 @@
+import type { Component } from "solid-js";
+import { Show, createEffect, onCleanup } from "solid-js";
+import { MicOff, VolumeX } from "lucide-solid";
+import Avatar from "../common/Avatar";
+import { openProfileCard } from "../../stores/ui";
+import type { VoiceMediaState } from "../../lib/types";
+
+interface VoiceParticipantTileProps {
+  peer_id: string;
+  display_name: string;
+  media_state: VoiceMediaState;
+  stream?: MediaStream | null;
+  is_local?: boolean;
+}
+
+const VoiceParticipantTile: Component<VoiceParticipantTileProps> = (props) => {
+  let videoRef: HTMLVideoElement | undefined;
+
+  // attach stream to video element when it changes
+  createEffect(() => {
+    const currentStream = props.stream;
+    if (videoRef && currentStream) {
+      videoRef.srcObject = currentStream;
+    }
+  });
+
+  // cleanup video element on unmount
+  onCleanup(() => {
+    if (videoRef) {
+      videoRef.srcObject = null;
+    }
+  });
+
+  const hasVideo = () => {
+    return (
+      props.stream &&
+      (props.media_state.video_enabled || props.media_state.screen_sharing)
+    );
+  };
+
+  return (
+    <div
+      class="relative bg-black border border-white/10 aspect-video flex items-center justify-center overflow-hidden cursor-pointer"
+      onClick={(e) => {
+        openProfileCard({
+          peerId: props.peer_id,
+          displayName: props.display_name,
+          anchorX: e.clientX,
+          anchorY: e.clientY,
+        });
+      }}
+    >
+      <Show
+        when={hasVideo()}
+        fallback={
+          <div class="flex flex-col items-center justify-center gap-2 p-4">
+            <Avatar name={props.display_name} size="xl" />
+            <span class="text-white text-sm font-medium truncate max-w-full">
+              {props.display_name}
+            </span>
+          </div>
+        }
+      >
+        <video
+          ref={videoRef}
+          autoplay
+          playsinline
+          muted={props.is_local}
+          class="w-full h-full object-cover"
+        />
+        <div class="absolute bottom-0 left-0 right-0 bg-gradient-to-t from-black/80 to-transparent p-2">
+          <span class="text-white text-sm font-medium truncate">
+            {props.display_name}
+          </span>
+        </div>
+      </Show>
+
+      <Show when={props.media_state.muted}>
+        <div class="absolute top-2 right-2 bg-black/80 p-1">
+          <MicOff size={16} class="text-[#FF4F00]" />
+        </div>
+      </Show>
+
+      <Show when={props.media_state.deafened}>
+        <div class="absolute top-2 right-2 bg-black/80 p-1">
+          <VolumeX size={16} class="text-[#FF4F00]" />
+        </div>
+      </Show>
+
+      <Show when={props.is_local}>
+        <div class="absolute top-2 left-2 bg-black/80 px-2 py-1">
+          <span class="text-white/60 text-xs">You</span>
+        </div>
+      </Show>
+    </div>
+  );
+};
+
+export default VoiceParticipantTile;

src/lib/tauri.ts

@@ -4,11 +4,17 @@ import type {
   PublicIdentity,
   CommunityMeta,
   ChannelMeta,
+  CategoryMeta,
   ChatMessage,
   Member,
   DuskEvent,
   UserSettings,
   DirectoryEntry,
+  ChallengeExport,
+  VoiceParticipant,
+  VoiceMediaState,
+  DirectMessage,
+  DMConversationMeta,
 } from "./types";
 
 // -- identity --
@@ -24,8 +30,9 @@ export async function loadIdentity(): Promise<PublicIdentity | null> {
 export async function createIdentity(
   displayName: string,
   bio?: string,
+  challengeData?: ChallengeExport,
 ): Promise<PublicIdentity> {
-  return invoke("create_identity", { displayName, bio });
+  return invoke("create_identity", { displayName, bio, challengeData });
 }
 
 export async function updateDisplayName(name: string): Promise<void> {
@@ -88,14 +95,42 @@ export async function createChannel(
   communityId: string,
   name: string,
   topic: string,
+  kind?: string,
+  categoryId?: string | null,
 ): Promise<ChannelMeta> {
-  return invoke("create_channel", { communityId, name, topic });
+  return invoke("create_channel", {
+    communityId,
+    name,
+    topic,
+    kind,
+    categoryId,
+  });
 }
 
 export async function getChannels(communityId: string): Promise<ChannelMeta[]> {
   return invoke("get_channels", { communityId });
 }
 
+export async function createCategory(
+  communityId: string,
+  name: string,
+): Promise<CategoryMeta> {
+  return invoke("create_category", { communityId, name });
+}
+
+export async function getCategories(
+  communityId: string,
+): Promise<CategoryMeta[]> {
+  return invoke("get_categories", { communityId });
+}
+
+export async function reorderChannels(
+  communityId: string,
+  channelIds: string[],
+): Promise<ChannelMeta[]> {
+  return invoke("reorder_channels", { communityId, channelIds });
+}
+
 // -- messages --
 
 export async function sendMessage(
@@ -171,6 +206,12 @@ export async function resetIdentity(): Promise<void> {
   return invoke("reset_identity");
 }
 
+// -- connectivity --
+
+export async function checkInternetConnectivity(): Promise<boolean> {
+  return invoke("check_internet_connectivity");
+}
+
 // -- events --
 
 export function onDuskEvent(
@@ -178,3 +219,112 @@ export function onDuskEvent(
 ): Promise<UnlistenFn> {
   return listen<DuskEvent>("dusk-event", (e) => callback(e.payload));
 }
+
+// -- voice --
+
+export async function joinVoiceChannel(
+  communityId: string,
+  channelId: string,
+): Promise<VoiceParticipant[]> {
+  return invoke("join_voice_channel", { communityId, channelId });
+}
+
+export async function leaveVoiceChannel(
+  communityId: string,
+  channelId: string,
+): Promise<void> {
+  return invoke("leave_voice_channel", { communityId, channelId });
+}
+
+export async function updateVoiceMediaState(
+  communityId: string,
+  channelId: string,
+  mediaState: VoiceMediaState,
+): Promise<void> {
+  return invoke("update_voice_media_state", {
+    communityId,
+    channelId,
+    mediaState,
+  });
+}
+
+export async function sendVoiceSdp(
+  communityId: string,
+  channelId: string,
+  toPeer: string,
+  sdpType: string,
+  sdp: string,
+): Promise<void> {
+  return invoke("send_voice_sdp", {
+    communityId,
+    channelId,
+    toPeer,
+    sdpType,
+    sdp,
+  });
+}
+
+export async function sendVoiceIceCandidate(
+  communityId: string,
+  channelId: string,
+  toPeer: string,
+  candidate: string,
+  sdpMid: string | null,
+  sdpMlineIndex: number | null,
+): Promise<void> {
+  return invoke("send_voice_ice_candidate", {
+    communityId,
+    channelId,
+    toPeer,
+    candidate,
+    sdpMid,
+    sdpMlineIndex,
+  });
+}
+
+export async function getVoiceParticipants(
+  communityId: string,
+  channelId: string,
+): Promise<VoiceParticipant[]> {
+  return invoke("get_voice_participants", { communityId, channelId });
+}
+
+// -- direct messages --
+
+export async function sendDM(
+  peerId: string,
+  content: string,
+): Promise<DirectMessage> {
+  return invoke("send_dm", { peerId, content });
+}
+
+export async function getDMMessages(
+  peerId: string,
+  before?: number,
+  limit?: number,
+): Promise<DirectMessage[]> {
+  return invoke("get_dm_messages", { peerId, before, limit });
+}
+
+export async function getDMConversations(): Promise<DMConversationMeta[]> {
+  return invoke("get_dm_conversations");
+}
+
+export async function markDMRead(peerId: string): Promise<void> {
+  return invoke("mark_dm_read", { peerId });
+}
+
+export async function deleteDMConversation(peerId: string): Promise<void> {
+  return invoke("delete_dm_conversation", { peerId });
+}
+
+export async function sendDMTyping(peerId: string): Promise<void> {
+  return invoke("send_dm_typing", { peerId });
+}
+
+export async function openDMConversation(
+  peerId: string,
+  displayName: string,
+): Promise<DMConversationMeta> {
+  return invoke("open_dm_conversation", { peerId, displayName });
+}

src/lib/types.ts

@@ -1,12 +1,48 @@
 // shared type definitions mirroring the rust structs
 // this is the single source of truth for the frontend-backend contract
 
+export interface VerificationProof {
+  metrics_hash: string;
+  signature: string;
+  timestamp: number;
+  score: number;
+}
+
 export interface PublicIdentity {
   peer_id: string;
   display_name: string;
   public_key: string;
   bio: string;
   created_at: number;
+  verification_proof?: VerificationProof;
+}
+
+// raw challenge data sent to the rust backend for server-side analysis
+export interface MouseSampleExport {
+  x: number;
+  y: number;
+  t: number;
+}
+
+export interface SegmentExport {
+  fromTarget: number;
+  toTarget: number;
+  samples: MouseSampleExport[];
+  clickTime: number;
+  startTime: number;
+}
+
+export interface TargetCircleExport {
+  id: number;
+  x: number;
+  y: number;
+}
+
+export interface ChallengeExport {
+  segments: SegmentExport[];
+  circles: TargetCircleExport[];
+  totalStartTime: number;
+  totalEndTime: number;
 }
 
 export type UserStatus = "online" | "idle" | "dnd" | "invisible";
@@ -45,6 +81,16 @@ export interface ChannelMeta {
   name: string;
   topic: string;
   kind: "Text" | "Voice";
+  position: number;
+  category_id: string | null;
+}
+
+// user-defined grouping for channels within a community
+export interface CategoryMeta {
+  id: string;
+  community_id: string;
+  name: string;
+  position: number;
 }
 
 export interface ChatMessage {
@@ -57,6 +103,25 @@ export interface ChatMessage {
   edited: boolean;
 }
 
+// a direct message between two peers
+export interface DirectMessage {
+  id: string;
+  from_peer: string;
+  to_peer: string;
+  from_display_name: string;
+  content: string;
+  timestamp: number;
+}
+
+// metadata for a persisted dm conversation
+export interface DMConversationMeta {
+  peer_id: string;
+  display_name: string;
+  last_message: string | null;
+  last_message_time: number | null;
+  unread_count: number;
+}
+
 export interface Member {
   peer_id: string;
   display_name: string;
@@ -82,6 +147,21 @@ export interface DirectoryEntry {
   is_friend: boolean;
 }
 
+// media state for a participant in a voice channel
+export interface VoiceMediaState {
+  muted: boolean;
+  deafened: boolean;
+  video_enabled: boolean;
+  screen_sharing: boolean;
+}
+
+// a peer currently connected to a voice channel
+export interface VoiceParticipant {
+  peer_id: string;
+  display_name: string;
+  media_state: VoiceMediaState;
+}
+
 // discriminated union for events emitted from rust
 export type DuskEvent =
   | { kind: "message_received"; payload: ChatMessage }
@@ -96,4 +176,55 @@ export type DuskEvent =
       kind: "profile_received";
       payload: { peer_id: string; display_name: string; bio: string };
     }
-  | { kind: "profile_revoked"; payload: { peer_id: string } };
+  | { kind: "profile_revoked"; payload: { peer_id: string } }
+  | { kind: "relay_status"; payload: { connected: boolean } }
+  | {
+      kind: "voice_participant_joined";
+      payload: {
+        community_id: string;
+        channel_id: string;
+        peer_id: string;
+        display_name: string;
+        media_state: VoiceMediaState;
+      };
+    }
+  | {
+      kind: "voice_participant_left";
+      payload: {
+        community_id: string;
+        channel_id: string;
+        peer_id: string;
+      };
+    }
+  | {
+      kind: "voice_media_state_changed";
+      payload: {
+        community_id: string;
+        channel_id: string;
+        peer_id: string;
+        media_state: VoiceMediaState;
+      };
+    }
+  | {
+      kind: "voice_sdp_received";
+      payload: {
+        community_id: string;
+        channel_id: string;
+        from_peer: string;
+        sdp_type: string;
+        sdp: string;
+      };
+    }
+  | {
+      kind: "voice_ice_candidate_received";
+      payload: {
+        community_id: string;
+        channel_id: string;
+        from_peer: string;
+        candidate: string;
+        sdp_mid: string | null;
+        sdp_mline_index: number | null;
+      };
+    }
+  | { kind: "dm_received"; payload: DirectMessage }
+  | { kind: "dm_typing"; payload: { peer_id: string } };

src/lib/webrtc.ts

@@ -0,0 +1,246 @@
+// webrtc peer connection manager for voice/video calls
+// manages one RTCPeerConnection per remote peer in a full mesh topology
+// this is a utility module with no signals - the voice store drives it
+
+// no external stun/turn servers for now, rely on host candidates only
+// this works for LAN peers and peers on the same network segment
+const rtcConfig: RTCConfiguration = {
+  iceServers: [],
+};
+
+export class PeerConnectionManager {
+  private connections: Map<string, RTCPeerConnection> = new Map();
+  private localStream: MediaStream | null = null;
+  private screenStream: MediaStream | null = null;
+
+  // the local peer id, used for glare resolution during simultaneous offers
+  private localPeerId: string | null = null;
+
+  // callbacks set by the voice store to bridge webrtc events into reactive state
+  onRemoteStream: ((peerId: string, stream: MediaStream) => void) | null = null;
+  onRemoteStreamRemoved: ((peerId: string) => void) | null = null;
+  onIceCandidate: ((peerId: string, candidate: RTCIceCandidate) => void) | null = null;
+  onNegotiationNeeded: ((peerId: string) => void) | null = null;
+
+  setLocalPeerId(peerId: string): void {
+    this.localPeerId = peerId;
+  }
+
+  setLocalStream(stream: MediaStream | null): void {
+    this.localStream = stream;
+  }
+
+  setScreenStream(stream: MediaStream | null): void {
+    this.screenStream = stream;
+  }
+
+  // create a new peer connection for a remote peer
+  // uses lexicographic peer_id comparison for glare resolution:
+  // the peer with the smaller id is always the offerer
+  createConnection(peerId: string): RTCPeerConnection {
+    // close any existing connection to this peer before creating a new one
+    this.closeConnection(peerId);
+
+    const pc = new RTCPeerConnection(rtcConfig);
+    this.connections.set(peerId, pc);
+
+    // add all local tracks to the new connection
+    if (this.localStream) {
+      for (const track of this.localStream.getTracks()) {
+        pc.addTrack(track, this.localStream);
+      }
+    }
+
+    if (this.screenStream) {
+      for (const track of this.screenStream.getTracks()) {
+        pc.addTrack(track, this.screenStream);
+      }
+    }
+
+    // wire up event handlers
+    pc.onicecandidate = (event) => {
+      if (event.candidate && this.onIceCandidate) {
+        this.onIceCandidate(peerId, event.candidate);
+      }
+    };
+
+    pc.ontrack = (event) => {
+      if (event.streams.length > 0 && this.onRemoteStream) {
+        this.onRemoteStream(peerId, event.streams[0]);
+      }
+    };
+
+    pc.onnegotiationneeded = () => {
+      if (this.onNegotiationNeeded) {
+        this.onNegotiationNeeded(peerId);
+      }
+    };
+
+    pc.onconnectionstatechange = () => {
+      if (pc.connectionState === "failed" || pc.connectionState === "closed") {
+        if (this.onRemoteStreamRemoved) {
+          this.onRemoteStreamRemoved(peerId);
+        }
+      }
+    };
+
+    return pc;
+  }
+
+  // determine if we should be the offerer based on lexicographic peer_id comparison
+  shouldOffer(remotePeerId: string): boolean {
+    if (!this.localPeerId) return false;
+    return this.localPeerId < remotePeerId;
+  }
+
+  async createOffer(peerId: string): Promise<RTCSessionDescriptionInit> {
+    const pc = this.connections.get(peerId);
+    if (!pc) {
+      throw new Error(`no connection for peer ${peerId}`);
+    }
+
+    try {
+      const offer = await pc.createOffer();
+      await pc.setLocalDescription(offer);
+      return offer;
+    } catch (err) {
+      console.error(`failed to create offer for peer ${peerId}:`, err);
+      throw err;
+    }
+  }
+
+  async createAnswer(
+    peerId: string,
+    offer: RTCSessionDescriptionInit,
+  ): Promise<RTCSessionDescriptionInit> {
+    const pc = this.connections.get(peerId);
+    if (!pc) {
+      throw new Error(`no connection for peer ${peerId}`);
+    }
+
+    try {
+      await pc.setRemoteDescription(new RTCSessionDescription(offer));
+      const answer = await pc.createAnswer();
+      await pc.setLocalDescription(answer);
+      return answer;
+    } catch (err) {
+      console.error(`failed to create answer for peer ${peerId}:`, err);
+      throw err;
+    }
+  }
+
+  async setRemoteAnswer(
+    peerId: string,
+    answer: RTCSessionDescriptionInit,
+  ): Promise<void> {
+    const pc = this.connections.get(peerId);
+    if (!pc) {
+      throw new Error(`no connection for peer ${peerId}`);
+    }
+
+    try {
+      await pc.setRemoteDescription(new RTCSessionDescription(answer));
+    } catch (err) {
+      console.error(`failed to set remote answer for peer ${peerId}:`, err);
+      throw err;
+    }
+  }
+
+  async addIceCandidate(
+    peerId: string,
+    candidate: RTCIceCandidateInit,
+  ): Promise<void> {
+    const pc = this.connections.get(peerId);
+    if (!pc) {
+      // candidate arrived before connection was created, safe to ignore
+      return;
+    }
+
+    try {
+      await pc.addIceCandidate(new RTCIceCandidate(candidate));
+    } catch (err) {
+      // ice candidates can arrive out of order or for stale connections
+      console.error(`failed to add ice candidate for peer ${peerId}:`, err);
+    }
+  }
+
+  closeConnection(peerId: string): void {
+    const pc = this.connections.get(peerId);
+    if (pc) {
+      pc.onicecandidate = null;
+      pc.ontrack = null;
+      pc.onnegotiationneeded = null;
+      pc.onconnectionstatechange = null;
+      pc.close();
+      this.connections.delete(peerId);
+    }
+  }
+
+  closeAll(): void {
+    for (const [peerId] of this.connections) {
+      this.closeConnection(peerId);
+    }
+    this.connections.clear();
+    this.localStream = null;
+    this.screenStream = null;
+  }
+
+  getConnection(peerId: string): RTCPeerConnection | undefined {
+    return this.connections.get(peerId);
+  }
+
+  // replaces tracks on all existing connections
+  // used when toggling video or screen share mid-call
+  updateTracks(): void {
+    for (const [, pc] of this.connections) {
+      const senders = pc.getSenders();
+
+      // build the set of tracks we want active on each connection
+      const desiredTracks: MediaStreamTrack[] = [];
+      if (this.localStream) {
+        desiredTracks.push(...this.localStream.getTracks());
+      }
+      if (this.screenStream) {
+        desiredTracks.push(...this.screenStream.getTracks());
+      }
+
+      // replace or add tracks that should be present
+      for (const track of desiredTracks) {
+        const existingSender = senders.find(
+          (s) => s.track?.kind === track.kind && s.track?.id === track.id,
+        );
+        if (!existingSender) {
+          // check if there is a sender with the same kind we can replace
+          const kindSender = senders.find(
+            (s) => s.track?.kind === track.kind || (!s.track && true),
+          );
+          if (kindSender) {
+            kindSender.replaceTrack(track).catch((err) => {
+              console.error("failed to replace track:", err);
+            });
+          } else {
+            // no existing sender for this kind, add a new one
+            const stream = track.kind === "video" && this.screenStream?.getVideoTracks().includes(track)
+              ? this.screenStream
+              : this.localStream;
+            if (stream) {
+              pc.addTrack(track, stream);
+            }
+          }
+        }
+      }
+
+      // remove senders whose tracks are no longer desired
+      const desiredTrackIds = new Set(desiredTracks.map((t) => t.id));
+      for (const sender of senders) {
+        if (sender.track && !desiredTrackIds.has(sender.track.id)) {
+          try {
+            pc.removeTrack(sender);
+          } catch (err) {
+            console.error("failed to remove track:", err);
+          }
+        }
+      }
+    }
+  }
+}

src/stores/channels.ts

@@ -1,7 +1,10 @@
 import { createSignal } from "solid-js";
-import type { ChannelMeta } from "../lib/types";
+import type { ChannelMeta, CategoryMeta } from "../lib/types";
+import { reorderChannels as reorderChannelsCall } from "../lib/tauri";
+import { activeCommunityId } from "./communities";
 
 const [channels, setChannels] = createSignal<ChannelMeta[]>([]);
+const [categories, setCategories] = createSignal<CategoryMeta[]>([]);
 const [activeChannelId, setActiveChannelId] = createSignal<string | null>(null);
 
 export function setActiveChannel(id: string | null) {
@@ -12,4 +15,20 @@ export function activeChannel(): ChannelMeta | undefined {
   return channels().find((c) => c.id === activeChannelId());
 }
 
-export { channels, activeChannelId, setChannels };
+export function addCategory(category: CategoryMeta) {
+  setCategories((prev) => [...prev, category]);
+}
+
+export async function reorderChannels(channelIds: string[]): Promise<void> {
+  const communityId = activeCommunityId();
+  if (!communityId) return;
+
+  try {
+    const updated = await reorderChannelsCall(communityId, channelIds);
+    setChannels(updated);
+  } catch (error) {
+    console.error("failed to reorder channels:", error);
+  }
+}
+
+export { channels, categories, activeChannelId, setChannels, setCategories };

src/stores/connection.ts

@@ -5,6 +5,7 @@ const [peerCount, setPeerCount] = createSignal(0);
 const [nodeStatus, setNodeStatus] = createSignal<
   "starting" | "running" | "stopped" | "error"
 >("stopped");
+const [relayConnected, setRelayConnected] = createSignal(true);
 
 export {
   isConnected,
@@ -13,4 +14,6 @@ export {
   setPeerCount,
   nodeStatus,
   setNodeStatus,
+  relayConnected,
+  setRelayConnected,
 };

src/stores/dms.ts

@@ -1,33 +1,25 @@
 import { createSignal } from "solid-js";
-import type { ChatMessage } from "../lib/types";
+import type { DirectMessage, DMConversationMeta } from "../lib/types";
 
-// represents a direct message conversation with a peer
-export interface DMConversation {
-  peer_id: string;
-  display_name: string;
-  status: "Online" | "Idle" | "Offline";
-  last_message?: string;
-  last_message_time?: number;
-  unread_count: number;
-}
-
-const [dmConversations, setDMConversations] = createSignal<DMConversation[]>(
-  [],
-);
+// dm conversations loaded from disk via tauri backend
+const [dmConversations, setDMConversations] = createSignal<
+  DMConversationMeta[]
+>([]);
 const [activeDMPeerId, setActiveDMPeerId] = createSignal<string | null>(null);
-const [dmMessages, setDMMessages] = createSignal<ChatMessage[]>([]);
+const [dmMessages, setDMMessages] = createSignal<DirectMessage[]>([]);
+// peers currently typing in the active dm
+const [dmTypingPeers, setDMTypingPeers] = createSignal<string[]>([]);
 
 export function setActiveDM(peerId: string | null) {
   setActiveDMPeerId(peerId);
 }
 
-export function activeDMConversation(): DMConversation | undefined {
+export function activeDMConversation(): DMConversationMeta | undefined {
   return dmConversations().find((dm) => dm.peer_id === activeDMPeerId());
 }
 
-export function addDMConversation(dm: DMConversation) {
+export function addDMConversation(dm: DMConversationMeta) {
   setDMConversations((prev) => {
-    // avoid duplicates
     if (prev.some((existing) => existing.peer_id === dm.peer_id)) return prev;
     return [...prev, dm];
   });
@@ -68,7 +60,7 @@ export function clearDMUnread(peerId: string) {
   );
 }
 
-export function addDMMessage(message: ChatMessage) {
+export function addDMMessage(message: DirectMessage) {
   setDMMessages((prev) => [...prev, message]);
 }
 
@@ -76,10 +68,78 @@ export function clearDMMessages() {
   setDMMessages([]);
 }
 
+// handle an incoming dm from the network
+export function handleIncomingDM(message: DirectMessage) {
+  const active = activeDMPeerId();
+
+  // if the conversation is currently active, add the message to the view
+  if (active === message.from_peer) {
+    addDMMessage(message);
+  }
+
+  // update or create the conversation entry
+  const existing = dmConversations().find(
+    (dm) => dm.peer_id === message.from_peer,
+  );
+  if (existing) {
+    updateDMLastMessage(message.from_peer, message.content, message.timestamp);
+    // only increment unread if this conversation is not active
+    if (active !== message.from_peer) {
+      incrementDMUnread(message.from_peer);
+    }
+  } else {
+    // new conversation from a peer we haven't talked to before
+    addDMConversation({
+      peer_id: message.from_peer,
+      display_name: message.from_display_name,
+      last_message: message.content,
+      last_message_time: message.timestamp,
+      unread_count: active === message.from_peer ? 0 : 1,
+    });
+  }
+}
+
+// add a typing peer indicator with auto-expiry
+let dmTypingTimers: Record<string, ReturnType<typeof setTimeout>> = {};
+export function addDMTypingPeer(peerId: string) {
+  setDMTypingPeers((prev) =>
+    prev.includes(peerId) ? prev : [...prev, peerId],
+  );
+
+  // clear any existing timer for this peer
+  if (dmTypingTimers[peerId]) {
+    clearTimeout(dmTypingTimers[peerId]);
+  }
+
+  // auto-remove after 3 seconds
+  dmTypingTimers[peerId] = setTimeout(() => {
+    setDMTypingPeers((prev) => prev.filter((id) => id !== peerId));
+    delete dmTypingTimers[peerId];
+  }, 3000);
+}
+
+export function clearDMTypingPeers() {
+  setDMTypingPeers([]);
+  for (const timer of Object.values(dmTypingTimers)) {
+    clearTimeout(timer);
+  }
+  dmTypingTimers = {};
+}
+
+// update a conversation's display name when we get a profile update
+export function updateDMPeerDisplayName(peerId: string, displayName: string) {
+  setDMConversations((prev) =>
+    prev.map((dm) =>
+      dm.peer_id === peerId ? { ...dm, display_name: displayName } : dm,
+    ),
+  );
+}
+
 export {
   dmConversations,
   activeDMPeerId,
   dmMessages,
+  dmTypingPeers,
   setDMConversations,
   setDMMessages,
 };