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

src/frontends/tui/commands.test.ts

@@ -87,6 +87,13 @@ describe('parseCommand', () => {
     expect(parseCommand('/transfer telegram')).toEqual({ type: 'transfer', target: 'telegram' });
   });
 
+  it('parses /queue commands', () => {
+    expect(parseCommand('/queue')).toEqual({ type: 'queue', action: 'show' });
+    expect(parseCommand('/queue show')).toEqual({ type: 'queue', action: 'show' });
+    expect(parseCommand('/queue reset')).toEqual({ type: 'queue', action: 'reset' });
+    expect(parseCommand('/queue set mode followup')).toEqual({ type: 'queue', action: 'set', args: 'mode followup' });
+  });
+
   it('parses regular message', () => {
     expect(parseCommand('Hello Flynn')).toEqual({ type: 'message', content: 'Hello Flynn' });
   });
@@ -106,6 +113,7 @@ describe('getHelpText', () => {
     expect(help).toContain('/compact');
     expect(help).toContain('/usage');
     expect(help).toContain('/verbose');
+    expect(help).toContain('/queue');
     expect(help).toContain('/quit');
   });
 });