fix(tui): add /queue command support across tui and routing

src/frontends/tui/commands.ts

@@ -12,6 +12,7 @@ export type Command =
   | { type: 'login'; provider?: string }
   | { type: 'transfer'; target: string }
   | { type: 'pair'; action?: 'generate' | 'list' | 'revoke'; args?: string }
+  | { type: 'queue'; action?: 'show' | 'set' | 'reset'; args?: string }
   | { type: 'message'; content: string };
 
 export function parseCommand(input: string): Command | null {
@@ -113,6 +114,22 @@ export function parseCommand(input: string): Command | null {
     return { type: 'pair', action: 'revoke', args };
   }
 
+  // Queue
+  if (trimmed === '/queue' || trimmed === '/queue show') {
+    return { type: 'queue', action: 'show' };
+  }
+  if (trimmed === '/queue reset') {
+    return { type: 'queue', action: 'reset' };
+  }
+  if (trimmed.startsWith('/queue set ')) {
+    const args = trimmed.slice('/queue set '.length).trim();
+    return { type: 'queue', action: 'set', args };
+  }
+  if (trimmed.startsWith('/queue ')) {
+    const args = trimmed.slice('/queue '.length).trim();
+    return { type: 'queue', action: 'set', args };
+  }
+
   // Regular message
   return { type: 'message', content: trimmed };
 }
@@ -128,6 +145,9 @@ Commands:
   /pair                  List pending pairing codes and approved senders
   /pair generate [label] Generate a new DM pairing code
   /pair revoke <ch> <id> Revoke an approved sender
+  /queue                 Show queue policy for this session
+  /queue set <k> <v>     Set queue override (mode/cap/overflow/debounce_ms/summarize_overflow)
+  /queue reset           Clear queue overrides for this session
   /reset, /clear, /new   Clear conversation history
   /compact               Compact conversation history
   /usage                 Show token usage and estimated cost
@@ -159,6 +179,7 @@ export const SLASH_COMMANDS = [
   '/fs',
   '/login',
   '/pair',
+  '/queue',
   '/transfer',
   '/quit',
   '/exit',
@@ -180,6 +201,7 @@ export const COMMAND_TOOLTIPS: Record<string, string> = {
   '/fs': 'Switch to fullscreen mode',
   '/login': 'Authenticate with GitHub/OpenAI/Anthropic (OAuth/token or API key) or Z.AI (API key store)',
   '/pair': 'Generate/list/revoke DM pairing codes',
+  '/queue': 'Show or update per-session queue policy',
   '/transfer': 'Transfer session to another frontend',
   '/quit': 'Exit TUI',
   '/exit': 'Exit TUI',