chore(conductor): Add new track 'command_palette_and_performance_20260602'

conductor/tracks.md

@@ -325,3 +325,8 @@ This file tracks all major tracks for the project. Each track has its own detail
 
 - [x] **Track: Phase 7 Monolithic Stabilization (Final Cleanup)**
 *Link: [./tracks/phase7_monolithic_stabilization_20260602/](./tracks/phase7_monolithic_stabilization_20260602/)*
+
+---
+
+- [ ] **Track: Implement Async Context Preview to fix UI hangs and add an 'Everything' Command Palette.**
+*Link: [./tracks/command_palette_and_performance_20260602/](./tracks/command_palette_and_performance_20260602/)*

conductor/tracks/command_palette_and_performance_20260602/index.md

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+# Track command_palette_and_performance_20260602 Context
+
+- [Specification](./spec.md)
+- [Implementation Plan](./plan.md)
+- [Metadata](./metadata.json)

conductor/tracks/command_palette_and_performance_20260602/metadata.json

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+{
+  "track_id": "command_palette_and_performance_20260602",
+  "type": "feature",
+  "status": "new",
+  "created_at": "2026-06-02T00:00:00Z",
+  "updated_at": "2026-06-02T00:00:00Z",
+  "description": "Implement Async Context Preview to fix UI hangs and add an 'Everything' Command Palette."
+}

conductor/tracks/command_palette_and_performance_20260602/plan.md

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+# Implementation Plan: Command Palette & UI Performance Fixes
+
+## Phase 1: Offloading Performance Fixes
+- [ ] Task: Async Context Preview
+    - [ ] Add `self._is_generating_preview = False` to `App.__init__`.
+    - [ ] Modify `_check_auto_refresh_context_preview` in `src/gui_2.py`.
+    - [ ] Implement a `worker()` function inside it that runs `app.controller._do_generate()` and updates `app.context_preview_text`.
+    - [ ] Launch this worker via `threading.Thread` only if `not self._is_generating_preview`.
+    - [ ] Ensure thread-safe state updates using appropriate flags.
+
+## Phase 2: Command Palette Implementation
+- [ ] Task: Define Command Registry
+    - [ ] Create a list of dictionaries in `App` containing `name`, `desc`, and `callback`.
+    - [ ] Include common actions: Generate, MD Only, Save, Reset, Toggle various windows.
+- [ ] Task: Render Command Palette UI
+    - [ ] Add `self.show_command_palette = False` and `self.ui_command_search = ""` to `App`.
+    - [ ] In `render_main_interface`, check for `Ctrl+P` (or `Cmd+P`) to toggle `self.show_command_palette`.
+    - [ ] Create `render_command_palette(app: App)` function.
+    - [ ] Use `imgui.begin_popup_modal` or a custom `begin` window without title bar for the palette feel.
+    - [ ] Implement the filter logic using the search string.
+- [ ] Task: Keyboard Interactivity
+    - [ ] Ensure the search field has focus when opened.
+    - [ ] Handle `imgui.Key.up_arrow` and `imgui.Key.down_arrow` to navigate the list.
+    - [ ] Execute the selected command on `imgui.Key.enter`.
+
+## Phase 3: Verification
+- [ ] Task: Verification
+    - [ ] Verify no UI hang when toggling AST nodes.
+    - [ ] Verify Command Palette opens, filters correctly, and executes actions.
+- [ ] Task: Conductor - User Manual Verification 'Phase 3: Verification' (Protocol in workflow.md)

conductor/tracks/command_palette_and_performance_20260602/spec.md

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+# Specification: Command Palette & UI Performance Fixes
+
+## 1. Overview
+This track addresses two distinct but critical areas:
+1.  **UI Performance (Fix):** The application currently hangs when users adjust AST or slice configurations. This is because the context preview is regenerated synchronously on the GUI thread, blocking all interactions.
+2.  **Command Palette (Feature):** A central, keyboard-driven interface for all application actions, similar to professional editors like VSCode or Sublime Text.
+
+## 2. Functional Requirements
+### 2.1 Async Context Preview
+*   **Background Generation:** The `_do_generate` call within `_check_auto_refresh_context_preview` must be offloaded to an asynchronous worker thread.
+*   **State Locking:** Prevent multiple concurrent generation threads from running if a preview refresh is already in progress.
+*   **Incremental Signaling:** (Optional future goal) Investigate ways to only re-parse the affected file, but offloading is the immediate priority.
+
+### 2.2 Everything Command Palette
+*   **Shortcut Trigger:** Triggered by `Ctrl+P` (global project context).
+*   **Fuzzy Search:** An input field that filters a global list of available commands.
+*   **Action Mapping:** Includes actions like "Generate Response", "Clear Discussion", "Toggle Diagnostics", "Add All Files to Context", etc.
+*   **Keyboard Navigation:** Use Up/Down arrows to navigate results and Enter to select/execute.
+*   **Modal UX:** A centered, floating popup that dismisses on selection or Escape.
+
+## 3. Non-Functional Requirements
+*   **Smooth GUI Loop:** Offloading the generation must eliminate the UI hang.
+*   **Low Latency Palette:** Search and filtering must feel instantaneous.
+
+## 4. Acceptance Criteria
+*   Toggling "Def", "Sig", or "Hide" on an AST node no longer causes the GUI to stutter or hang.
+*   Pressing `Ctrl+P` opens the Command Palette.
+*   Typing "Reset" shows "Reset Session" and executing it successfully resets the discussion.