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feat(command-palette): jump to agents and sessions by name#358

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feat/issue-180-command-palette-sessions
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feat(command-palette): jump to agents and sessions by name#358
kimbotai1337 wants to merge 3 commits into
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feat/issue-180-command-palette-sessions

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@kimbotai1337 kimbotai1337 commented May 22, 2026

Summary

The Cmd+K command palette now indexes the live session list. Typing part of a session, agent, or sub-agent name surfaces matching sessions in a new Sessions result group; selecting one switches the active session. The currently active session is marked with aria-current and a visible current badge.

Closes #180.

What changed

  • New createSessionCommands(sessions, currentSessionKey, agentName, onSelectSession) builder in src/features/command-palette/commands.ts maps each live Session to a palette Command. Matching surface (in keywords): display label, raw label, displayName, identityName, root agent id, and session key. Loose substring, case-insensitive.
  • Command.category gains 'sessions'. CATEGORY_ORDER places it first so the group renders above static commands. CATEGORY_LABELS adds Sessions.
  • Command.isActive?: boolean carries the active-session flag. The palette renders the affordance only when cmd.category === 'sessions' && cmd.isActive === true, so a static command that incidentally sets isActive cannot render session chrome.
  • src/App.tsx memoizes sessionCommands over sessions, currentSession, agentName, handleSessionChange and concatenates with the existing staticCommands. The action reuses handleSessionChange, which routes through requestWorkspaceTransition so the dirty-workspace guard is preserved.

Additional hardening from review

  • CommandPalette stores the close-animation setTimeout in a ref and clears it on next executeCommand and on unmount. Rapid double-Enter no longer queues two independent transitions.
  • selectedIndex is clamped on filtered.length changes. Typing a narrower query that shrinks the list below the cursor no longer leaves Enter pointing at undefined.
  • filterCommands spreads its empty-query input before sorting; the caller's array is no longer mutated.

Test plan

  • npx vitest run src/features/command-palette/ — 23 tests cover the builder, the renderer, the active-session affordance, keyboard navigation (ArrowDown advances one step + returns via ArrowUp), the filtered.length clamp, the double-Enter cancel path, and live-snapshot re-rendering.
  • npx vitest run — full suite, 2129 tests passing.
  • npx tsc --noEmit clean.
  • npm run lint clean.
  • Boot smoke: npm run dev shells without console errors. The palette itself is gated behind authenticated gateway connection, so the full E2E path is covered by the unit tests rather than a deploy-isolated browser run.

Summary by CodeRabbit

  • New Features

    • Sessions can now be accessed and switched directly from the command palette with a dedicated Sessions section.
    • Active sessions are visually highlighted for easy identification.
  • Bug Fixes

    • Improved command selection stability when filtered results change during active search.
  • Tests

    • Added comprehensive test coverage for session-related command palette functionality.

Review Change Stack

Indexes the live session list as command-palette entries so Cmd+K can
navigate to top-level agents, nested subagents, and cron sessions by
typing part of their label, displayName, identityName, root agent id,
or session key. The active session is marked with aria-current and a
visible "current" badge. Selecting a result reuses handleSessionChange,
which keeps the dirty-workspace guard intact.

Closes #180
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coderabbitai Bot commented May 22, 2026

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info
⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 13976281-b8ed-453c-bd5d-1e7e1eae6ca2

📥 Commits

Reviewing files that changed from the base of the PR and between 4dc0ad6 and d32f62b.

📒 Files selected for processing (8)
  • src/App.test.tsx
  • src/App.tsx
  • src/features/command-palette/CommandPalette.test.tsx
  • src/features/command-palette/CommandPalette.tsx
  • src/features/command-palette/commands.test.ts
  • src/features/command-palette/commands.ts
  • src/features/command-palette/index.ts
  • src/features/command-palette/types.ts

📝 Walkthrough

Walkthrough

This pull request implements session-based navigation in the command palette. Users can now type Cmd+K and search for agent or session names to jump directly to them, with the current session visually distinguished and keyboard-first interaction preserved throughout.

Changes

Session command palette feature

Layer / File(s) Summary
Command type contract for sessions
src/features/command-palette/types.ts
Command interface extended with 'sessions' category value and optional isActive?: boolean flag for active-state rendering.
Session command factory and category ordering
src/features/command-palette/commands.ts, src/features/command-palette/index.ts
Added createSessionCommands factory to generate per-session navigation commands with deduplicated keywords, active-session marking, and selection callbacks. Updated CATEGORY_ORDER to position sessions, adjusted filterCommands to return shallow copy on empty query, and exported the factory.
App-level session command integration
src/App.tsx, src/App.test.tsx
Split command creation into staticCommands (session-independent) and sessionCommands (derived from live session state) using two useMemo blocks, then concatenate both for the palette. Updated test mock to support the new factory.
CommandPalette timing and selection management
src/features/command-palette/CommandPalette.tsx
Introduced pendingAction ref to manage deferred command execution (50ms delay), clamped selection index to filtered list bounds when filtering reduces available results, and cleared pending actions on unmount.
CommandPalette session affordances and UI
src/features/command-palette/CommandPalette.tsx
Added category label for sessions, rendered active-session affordance with aria-current="true" and "current" badge for session commands marked active, distinct from non-session active commands.
Session command factory test suite
src/features/command-palette/commands.test.ts
Tests for createSessionCommands factory: per-session generation, active-session marking, keyword deduplication, label fallback, action callbacks. Tests for filterCommands with merged static/session commands: category ordering, case-insensitive matching, root-agent id fallback.
CommandPalette component UI tests
src/features/command-palette/CommandPalette.test.tsx
Interaction tests covering session header rendering, search filtering, keyboard navigation (Enter, Escape, ArrowUp/Down), active-session affordances, selection clamping on filter narrowing, action deduplication on rapid input, command updates via re-renders, and empty-state display.

Sequence Diagram

sequenceDiagram
  participant User
  participant CommandPalette
  participant filterCommands
  participant createSessionCommands
  participant App
  participant SessionStore
  
  App->>SessionStore: read sessions, currentSessionKey
  App->>createSessionCommands: create session commands
  createSessionCommands-->>App: Command[] with isActive flags
  User->>CommandPalette: Cmd+K open palette
  User->>CommandPalette: type session name
  CommandPalette->>filterCommands: filter(allCommands, query)
  filterCommands-->>CommandPalette: matching results sorted by category
  CommandPalette->>CommandPalette: render Sessions group with isActive affordance
  User->>CommandPalette: Enter on selected session
  CommandPalette->>CommandPalette: schedule 50ms deferred action
  CommandPalette->>CommandPalette: close palette immediately
  CommandPalette->>App: onSelectSession(sessionKey)
  App->>SessionStore: switch to session
Loading

🎯 3 (Moderate) | ⏱️ ~25 minutes

🐰 Whiskers twitching with glee,
Sessions hop to the beat of Cmd+K,
Jump between agents, lightning-fast free,
No more sidebar hunts—the palette's the way!

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name Status Explanation Resolution
Docstring Coverage ⚠️ Warning Docstring coverage is 33.33% which is insufficient. The required threshold is 80.00%. Write docstrings for the functions missing them to satisfy the coverage threshold.
✅ Passed checks (4 passed)
Check name Status Explanation
Title check ✅ Passed The title clearly summarizes the main feature: adding session/agent navigation to the command palette via name-based search.
Description check ✅ Passed The PR description covers all required sections: What (feature overview), Why (closes #180), How (implementation details), Type of Change (marked as ✨ New feature), and comprehensive checklist with test validation.
Linked Issues check ✅ Passed All acceptance criteria from #180 are met: Sessions result group added, name matching works (keywords include display/identity names, agent name, session key), selection switches active session, supports nested sub-agent sessions, keyboard navigation preserved, current session marked with aria-current and badge, results reflect live session list.
Out of Scope Changes check ✅ Passed All changes directly support #180 objectives: command creation/filtering for sessions, CommandPalette rendering updates for active state, App.tsx integration for session memoization, index re-exports, type extensions, and comprehensive test coverage.

✏️ Tip: You can configure your own custom pre-merge checks in the settings.

✨ Finishing Touches
📝 Generate docstrings
  • Create stacked PR
  • Commit on current branch
🧪 Generate unit tests (beta)
  • Create PR with unit tests
  • Commit unit tests in branch feat/issue-180-command-palette-sessions

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Actionable comments posted: 1

🧹 Nitpick comments (1)
src/features/command-palette/CommandPalette.test.tsx (1)

172-190: ⚡ Quick win

This test currently validates input-reset behavior, not the clamp logic.

Because typing triggers setSelectedIndex(0), the assertion can pass even if the clamp effect is broken. Prefer narrowing via rerendered commands (or another non-typing path) to isolate the clamp behavior.

Suggested adjustment
-  it('clamps selectedIndex when typing narrows the filtered list below the cursor', () => {
+  it('clamps selectedIndex when filtered commands shrink below the cursor', () => {
     const first = vi.fn();
     const second = vi.fn();
-    const commands = [
+    const onClose = vi.fn();
+    const commands: Command[] = [
       sessionCommand('agent:alpha:main', 'Alpha', { keywords: ['Alpha'], action: first }),
       sessionCommand('agent:beta:main', 'Beta', { keywords: ['Beta'], action: second }),
       sessionCommand('agent:gamma:main', 'Gamma', { keywords: ['Gamma'], action: vi.fn() }),
     ];
-    renderPalette(commands);
+    const { rerender } = render(<CommandPalette open commands={commands} onClose={onClose} />);
+    act(() => { vi.advanceTimersByTime(100); });

     // Move cursor to the third entry.
     fireEvent.keyDown(input(), { key: 'ArrowDown' });
     fireEvent.keyDown(input(), { key: 'ArrowDown' });
-    // Type a query that narrows results to one match (the first entry).
-    fireEvent.change(input(), { target: { value: 'Alpha' } });
+
+    // Shrink filtered list without typing (avoids reset-to-0 from input onChange).
+    rerender(<CommandPalette open commands={[commands[0]]} onClose={onClose} />);

     fireEvent.keyDown(input(), { key: 'Enter' });
     act(() => { vi.advanceTimersByTime(100); });
     expect(first).toHaveBeenCalledTimes(1);
     expect(second).not.toHaveBeenCalled();
   });
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@src/features/command-palette/CommandPalette.test.tsx` around lines 172 - 190,
The test is exercising input-reset behavior because typing calls
setSelectedIndex(0); replace the typing-based narrowing with a rerender of the
component using a filtered commands array to test the clamp logic directly:
renderPalette(commands), move the cursor to the third index via
fireEvent.keyDown(input(), { key: 'ArrowDown' }) twice, then call the test
harness's rerender (or call renderPalette again) with a new commands array that
only contains the single matching command (e.g., the 'Alpha' entry) so
selectedIndex must be clamped, then simulate Enter and assert first was invoked
and second was not; reference setSelectedIndex/selectedIndex, renderPalette,
input(), and the command fixtures (sessionCommand) when making the change.
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@src/features/command-palette/CommandPalette.tsx`:
- Around line 48-51: The current clamp only applies an upper bound and allows
negative selectedIndex; update the clamp in the useEffect (the setSelectedIndex
call) to enforce both lower and upper bounds and likewise fix the ArrowDown
handler so it never sets -1. Concretely, replace the current Math.min(...)
expression with a two-sided clamp like Math.max(0, Math.min(i, filtered.length -
1)) in the useEffect and apply the same clamping logic in the ArrowDown handler
(and the similar update at lines 79-83) so selectedIndex always stays within [0,
filtered.length - 1].

---

Nitpick comments:
In `@src/features/command-palette/CommandPalette.test.tsx`:
- Around line 172-190: The test is exercising input-reset behavior because
typing calls setSelectedIndex(0); replace the typing-based narrowing with a
rerender of the component using a filtered commands array to test the clamp
logic directly: renderPalette(commands), move the cursor to the third index via
fireEvent.keyDown(input(), { key: 'ArrowDown' }) twice, then call the test
harness's rerender (or call renderPalette again) with a new commands array that
only contains the single matching command (e.g., the 'Alpha' entry) so
selectedIndex must be clamped, then simulate Enter and assert first was invoked
and second was not; reference setSelectedIndex/selectedIndex, renderPalette,
input(), and the command fixtures (sessionCommand) when making the change.
🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

  • Push a commit to this branch (recommended)
  • Create a new PR with the fixes

ℹ️ Review info
⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 047fc43a-0c47-4215-a5fb-3fd11485d279

📥 Commits

Reviewing files that changed from the base of the PR and between 4dc0ad6 and 0b6d718.

📒 Files selected for processing (8)
  • src/App.test.tsx
  • src/App.tsx
  • src/features/command-palette/CommandPalette.test.tsx
  • src/features/command-palette/CommandPalette.tsx
  • src/features/command-palette/commands.test.ts
  • src/features/command-palette/commands.ts
  • src/features/command-palette/index.ts
  • src/features/command-palette/types.ts

Comment thread src/features/command-palette/CommandPalette.tsx
@kimbotai1337
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@coderabbitai full review

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coderabbitai Bot commented May 22, 2026

✅ Actions performed

Full review triggered.

…test

CR pass on the round-1 PR caught two related issues on top of the autofix
round:

- ArrowDown set selectedIndex to -1 when filtered.length was 0
  (Math.min(i + 1, -1)). The clamp useEffect did not recover because
  Math.min(-1, 0) is -1. With selectedIndex at -1, Enter silently no-ops and
  the visible highlight disappears once results return. Fix: wrap both the
  clamp effect and the ArrowDown handler with Math.max(0, ...) so the lower
  bound is enforced too.
- The existing clamps-on-narrow test typed a query into the input, which
  triggers the onChange handler's setSelectedIndex(0) reset; the assertion
  would have passed even if the clamp effect were removed. Rewrote the test
  to narrow via rerendered commands instead, so the clamp effect is the only
  recovery path. Added an empty-list regression test that proves ArrowDown
  on no results does not leave selectedIndex stuck below zero.
@kimbotai1337
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Round 1 - pushed d32f62b:

P1 fixed (1):

  • src/features/command-palette/CommandPalette.tsx:48-52 Clamp selectedIndex lower bound. ArrowDown on an empty filtered list set the index to -1 (Math.min(i + 1, -1)); my round-0 clamp did not recover because Math.min(-1, 0) === -1. Both sites now wrap with Math.max(0, ...) so the lower bound is enforced.

Nitpick fixed (1):

  • src/features/command-palette/CommandPalette.test.tsx:172 The previous clamp test typed into the input, which triggers the onChange reset-to-0 and would have passed with the clamp removed. Rewrote it to narrow via rerender so the clamp effect is the only recovery path. Added an empty-list regression test that asserts ArrowDown does not leave selectedIndex below zero.

Validation: npx vitest run (2130/2130), npx tsc --noEmit, npm run lint all green.

the cycle is the work
posted by Kimbot1337

@coderabbitai full review

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coderabbitai Bot commented May 22, 2026

@kimbotai1337 Solid Round 1 — the lower-bound fix (Math.max(0, ...) wrapping both the ArrowDown dispatch and the clamp recovery) is the right call, and the test rewrite via rerender correctly isolates the clamp as the only recovery path. Kicking off the full review now.

(ミ・ω・ミ)ノ

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Full review triggered.

@kimbotai1337
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Bot cycle complete. No remaining P0/P1 findings after 1 round. CR's round-2 pass on d32f62b returned clean and acknowledged the lower-bound clamp fix. Ready for human review.

speaks bot, ships code
posted by Kimbot1337

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