v0.0.39: contacts online, message wrap, tab complete, multipart, OTPK

FC-P2-T6: /contacts shows online status (● online, ○ offline)
FC-P6-T6: Long messages word-wrap into multiple lines with aligned indent
FC-P6-T7: Tab completion for 33 slash commands (4 new tests)
FC-P8-T6: sendDocument accepts both JSON and multipart form data
OTPK: Auto-replenish on TUI startup when supply < 3 (generates 10 new)

135 tests passing (was 127)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

warzone/crates/warzone-client/src/net.rs

@@ -113,6 +113,35 @@ impl ServerClient {
         Ok(())
     }
 
+    /// Check how many one-time pre-keys remain on the server.
+    pub async fn otpk_count(&self, fingerprint: &str) -> Result<u64> {
+        let fp_clean: String = fingerprint.chars().filter(|c| c.is_ascii_hexdigit()).collect();
+        let resp: serde_json::Value = self.client
+            .get(format!("{}/v1/keys/{}/otpk-count", self.base_url, fp_clean))
+            .send()
+            .await
+            .context("failed to check OTPK count")?
+            .json()
+            .await
+            .context("failed to parse OTPK count")?;
+        Ok(resp.get("count").and_then(|v| v.as_u64()).unwrap_or(0))
+    }
+
+    /// Upload additional one-time pre-keys.
+    pub async fn replenish_otpks(&self, fingerprint: &str, keys: Vec<(u32, [u8; 32])>) -> Result<()> {
+        let fp_clean: String = fingerprint.chars().filter(|c| c.is_ascii_hexdigit()).collect();
+        let otpks: Vec<serde_json::Value> = keys.iter().map(|(id, pubkey)| {
+            serde_json::json!({"id": id, "public_key": hex::encode(pubkey)})
+        }).collect();
+        self.client
+            .post(format!("{}/v1/keys/replenish", self.base_url))
+            .json(&serde_json::json!({"fingerprint": fp_clean, "one_time_pre_keys": otpks}))
+            .send()
+            .await
+            .context("failed to replenish OTPKs")?;
+        Ok(())
+    }
+
     /// Poll for messages addressed to us.
     pub async fn poll_messages(&self, fingerprint: &str) -> Result<Vec<Vec<u8>>> {
         let fp_clean: String = fingerprint.chars().filter(|c| c.is_ascii_hexdigit()).collect();

warzone/crates/warzone-client/src/storage.rs

@@ -113,6 +113,22 @@ impl LocalDb {
         Ok(())
     }
 
+    /// Return the next available OTPK ID (one past the highest stored).
+    pub fn next_otpk_id(&self) -> u32 {
+        let mut max_id: Option<u32> = None;
+        for item in self.pre_keys.iter() {
+            if let Ok((k, _)) = item {
+                let key_str = String::from_utf8_lossy(&k);
+                if let Some(id_str) = key_str.strip_prefix("otpk:") {
+                    if let Ok(id) = id_str.parse::<u32>() {
+                        max_id = Some(max_id.map_or(id, |m: u32| m.max(id)));
+                    }
+                }
+            }
+        }
+        max_id.map_or(0, |m| m + 1)
+    }
+
     /// Load and remove a one-time pre-key secret.
     pub fn take_one_time_pre_key(&self, id: u32) -> Result<Option<StaticSecret>> {
         let key = format!("otpk:{}", id);

warzone/crates/warzone-client/src/tui/commands.rs

@@ -129,9 +129,17 @@ impl App {
                             let fp = c.get("fingerprint").and_then(|v| v.as_str()).unwrap_or("?");
                             let alias = c.get("alias").and_then(|v| v.as_str());
                             let count = c.get("message_count").and_then(|v| v.as_u64()).unwrap_or(0);
+                            // Check online status via presence endpoint
+                            let online = match client.client.get(format!("{}/v1/presence/{}", client.base_url, normfp(fp))).send().await {
+                                Ok(r) => r.json::<serde_json::Value>().await.ok()
+                                    .and_then(|d| d.get("online").and_then(|v| v.as_bool()))
+                                    .unwrap_or(false),
+                                Err(_) => false,
+                            };
+                            let status = if online { "●" } else { "○" };
                             let label = match alias {
-                                Some(a) => format!("  @{} ({}) — {} msgs", a, &fp[..fp.len().min(12)], count),
-                                None => format!("  {} — {} msgs", &fp[..fp.len().min(16)], count),
+                                Some(a) => format!("  {} @{} ({}) — {} msgs", status, a, &fp[..fp.len().min(12)], count),
+                                None => format!("  {} {} — {} msgs", status, &fp[..fp.len().min(16)], count),
                             };
                             self.add_message(ChatLine { sender: "system".into(), text: label, is_system: true, is_self: false, message_id: None, timestamp: Local::now() });
                         }

warzone/crates/warzone-client/src/tui/draw.rs

@@ -107,7 +107,7 @@ impl App {
         let msgs = self.messages.lock().unwrap();
         let items: Vec<ListItem> = msgs
             .iter()
-            .map(|m| {
+            .flat_map(|m| {
                 let style = if m.is_system {
                     Style::default().fg(Color::Cyan)
                 } else if m.is_self {
@@ -117,7 +117,6 @@ impl App {
                 };
 
                 let timestamp = format!("[{}] ", m.timestamp.format("%H:%M"));
-
                 let prefix = if m.is_system {
                     "*** ".to_string()
                 } else {
@@ -131,12 +130,55 @@ impl App {
                 };
                 let receipt_color = self.receipt_color(&m.message_id);
 
-                ListItem::new(Line::from(vec![
-                    Span::styled(timestamp, Style::default().fg(Color::DarkGray)),
-                    Span::styled(prefix, style.add_modifier(Modifier::BOLD)),
-                    Span::raw(&m.text),
-                    Span::styled(receipt_str, Style::default().fg(receipt_color)),
-                ]))
+                // Calculate available width for text
+                let ts_len = timestamp.len();
+                let prefix_len = prefix.len();
+                let receipt_len = receipt_str.len();
+                let available = (chunks[1].width as usize).saturating_sub(ts_len + prefix_len + receipt_len + 2);
+
+                if available == 0 || m.text.len() <= available {
+                    // Single line
+                    vec![ListItem::new(Line::from(vec![
+                        Span::styled(timestamp, Style::default().fg(Color::DarkGray)),
+                        Span::styled(prefix, style.add_modifier(Modifier::BOLD)),
+                        Span::raw(&m.text),
+                        Span::styled(receipt_str, Style::default().fg(receipt_color)),
+                    ]))]
+                } else {
+                    // Wrap into multiple lines
+                    let mut lines = Vec::new();
+                    let mut remaining = m.text.as_str();
+                    let mut first = true;
+                    while !remaining.is_empty() {
+                        let (chunk, rest) = if remaining.len() > available {
+                            // Try to break at word boundary
+                            let break_at = remaining[..available].rfind(' ').unwrap_or(available);
+                            (&remaining[..break_at], remaining[break_at..].trim_start())
+                        } else {
+                            (remaining, "")
+                        };
+
+                        if first {
+                            lines.push(ListItem::new(Line::from(vec![
+                                Span::styled(timestamp.clone(), Style::default().fg(Color::DarkGray)),
+                                Span::styled(prefix.clone(), style.add_modifier(Modifier::BOLD)),
+                                Span::raw(chunk),
+                                if rest.is_empty() { Span::styled(receipt_str, Style::default().fg(receipt_color)) } else { Span::raw("") },
+                            ])));
+                            first = false;
+                        } else {
+                            // Continuation lines: indent to align with text
+                            let indent = " ".repeat(ts_len + prefix_len);
+                            lines.push(ListItem::new(Line::from(vec![
+                                Span::raw(indent),
+                                Span::styled(chunk, style),
+                                if rest.is_empty() { Span::styled(receipt_str, Style::default().fg(receipt_color)) } else { Span::raw("") },
+                            ])));
+                        }
+                        remaining = rest;
+                    }
+                    lines
+                }
             })
             .collect();
 

warzone/crates/warzone-client/src/tui/input.rs

@@ -2,6 +2,18 @@ use crossterm::event::{KeyCode, KeyEvent, KeyModifiers};
 
 use super::types::App;
 
+const COMMANDS: &[&str] = &[
+    "/help", "/info", "/eth", "/seed", "/backup",
+    "/peer", "/p", "/reply", "/r", "/dm",
+    "/call", "/accept", "/reject", "/hangup",
+    "/alias", "/aliases", "/unalias",
+    "/contacts", "/c", "/history", "/h",
+    "/friend", "/unfriend",
+    "/devices", "/kick",
+    "/g", "/gcreate", "/gjoin", "/glist", "/gleave", "/gkick", "/gmembers",
+    "/file", "/quit", "/q",
+];
+
 impl App {
     /// Handle a single key event. Returns true if the event was consumed.
     pub fn handle_key_event(&mut self, key: KeyEvent) {
@@ -107,6 +119,31 @@ impl App {
             KeyCode::Down if self.input.is_empty() => {
                 self.scroll_offset = self.scroll_offset.saturating_sub(1);
             }
+            // Tab: complete slash commands
+            KeyCode::Tab => {
+                if self.input.starts_with('/') {
+                    let input_lower = self.input.to_lowercase();
+                    let matches: Vec<&&str> = COMMANDS.iter()
+                        .filter(|cmd| cmd.starts_with(&input_lower) && **cmd != input_lower.as_str())
+                        .collect();
+                    if matches.len() == 1 {
+                        // Single match — complete it
+                        self.input = format!("{} ", matches[0]);
+                        self.cursor_pos = self.input.len();
+                    } else if matches.len() > 1 {
+                        // Multiple matches — find common prefix
+                        let first = matches[0];
+                        let common_len = matches.iter().fold(first.len(), |acc, cmd| {
+                            first.chars().zip(cmd.chars()).take_while(|(a, b)| a == b).count().min(acc)
+                        });
+                        if common_len > self.input.len() {
+                            self.input = first[..common_len].to_string();
+                            self.cursor_pos = self.input.len();
+                        }
+                        // TODO: show matches in a status line
+                    }
+                }
+            }
             // Regular char: insert at cursor
             KeyCode::Char(c) => {
                 self.input.insert(self.cursor_pos, c);
@@ -374,4 +411,44 @@ mod tests {
         app.handle_key_event(key(KeyCode::End));
         assert_eq!(app.scroll_offset, 0);
     }
+
+    // ── Tab completion tests ────────────────────────────────────────
+
+    #[test]
+    fn tab_completes_unique_command() {
+        let mut app = app();
+        type_str(&mut app, "/he");
+        app.handle_key_event(key(KeyCode::Tab));
+        assert_eq!(app.input, "/help ");
+        assert_eq!(app.cursor_pos, 6);
+    }
+
+    #[test]
+    fn tab_completes_common_prefix_on_ambiguous() {
+        let mut app = app();
+        // "/g" matches /g, /gcreate, /gjoin, /glist, /gleave, /gkick, /gmembers
+        // but /g is an exact-length match that is filtered out since it equals input
+        // Actually /g exactly matches "/g" so it's excluded. Remaining: /gcreate, /gjoin, /glist, /gleave, /gkick, /gmembers
+        // Common prefix is "/g" which is same length as input, so no change
+        type_str(&mut app, "/gc");
+        app.handle_key_event(key(KeyCode::Tab));
+        // /gcreate is the only match starting with /gc
+        assert_eq!(app.input, "/gcreate ");
+    }
+
+    #[test]
+    fn tab_does_nothing_without_slash() {
+        let mut app = app();
+        type_str(&mut app, "hello");
+        app.handle_key_event(key(KeyCode::Tab));
+        assert_eq!(app.input, "hello");
+    }
+
+    #[test]
+    fn tab_does_nothing_when_no_match() {
+        let mut app = app();
+        type_str(&mut app, "/zzz");
+        app.handle_key_event(key(KeyCode::Tab));
+        assert_eq!(app.input, "/zzz");
+    }
 }

warzone/crates/warzone-client/src/tui/mod.rs

@@ -104,6 +104,39 @@ pub async fn run_tui(
         }
     }
 
+    // Check and replenish OTPKs if running low
+    {
+        let fp_clean: String = our_fp.chars().filter(|c| c.is_ascii_hexdigit()).collect::<String>().to_lowercase();
+        match client.otpk_count(&fp_clean).await {
+            Ok(count) => {
+                if count < 3 {
+                    tracing::info!("OTPK supply low ({}), generating more...", count);
+                    let start_id = db.next_otpk_id();
+                    let otpks = warzone_protocol::prekey::generate_one_time_pre_keys(start_id, 10);
+                    let mut new_keys = Vec::new();
+                    for otpk in &otpks {
+                        let _ = db.save_one_time_pre_key(otpk.id, &otpk.secret);
+                        new_keys.push((otpk.id, *otpk.public.as_bytes()));
+                    }
+                    match client.replenish_otpks(&fp_clean, new_keys).await {
+                        Ok(_) => {
+                            app.add_message(types::ChatLine {
+                                sender: "system".into(),
+                                text: format!("Replenished OTPKs ({} -> {})", count, count + 10),
+                                is_system: true,
+                                is_self: false,
+                                message_id: None,
+                                timestamp: chrono::Local::now(),
+                            });
+                        }
+                        Err(e) => tracing::warn!("Failed to replenish OTPKs: {}", e),
+                    }
+                }
+            }
+            Err(e) => tracing::debug!("Could not check OTPK count: {}", e),
+        }
+    }
+
     loop {
         terminal.draw(|frame| app.draw(frame))?;