feat: Enhance search functionality with quality tiers and scoped indexing

- Updated `search_code` function to include a `quality` parameter for search quality tiers: "fast", "balanced", "thorough", and "auto".
- Introduced `search_scope` function to limit search results to a specific directory scope.
- Added `index_scope` function for indexing a specific directory without re-indexing the entire project.
- Refactored `SearchPipeline` to support quality-based routing in the `search` method.
- Implemented `Shard` and `ShardManager` classes to manage multiple index shards with LRU eviction and efficient file routing.
- Added debounce functionality in `IncrementalIndexer` to batch file events and reduce redundant processing.
- Enhanced `FileWatcher` to integrate with `IncrementalIndexer` for improved event handling.

.claude/skills/team-frontend-debug/roles/coordinator/commands/monitor.md

@@ -44,10 +44,10 @@ Analyzer needs more evidence. Create supplemental reproduction task.
 1. Parse Analyzer's evidence request (dimensions, specific actions)
 2. Create REPRODUCE-002 task:
    - TaskCreate with description from Analyzer's request
-   - blockedBy: [] (can start immediately)
+   - TaskUpdate to set owner (no blockedBy — can start immediately)
 3. Create ANALYZE-002 task:
-   - blockedBy: [REPRODUCE-002]
-   - Update FIX-001 blockedBy to include ANALYZE-002
+   - TaskCreate + TaskUpdate with addBlockedBy: [REPRODUCE-002]
+   - TaskUpdate FIX-001 with addBlockedBy to include ANALYZE-002
 4. Update team-session.json with new tasks
 5. -> handleSpawnNext
 

.claude/skills/team-frontend-debug/roles/coordinator/role.md

@@ -98,7 +98,7 @@ Delegate to @commands/dispatch.md:
 1. Read dependency graph from task-analysis.json
 2. Read specs/pipelines.md for debug-pipeline task registry
 3. Topological sort tasks
-4. Create tasks via TaskCreate with blockedBy
+4. Create tasks via TaskCreate, then set blockedBy via TaskUpdate
 5. Update team-session.json
 
 ## Phase 4: Spawn-and-Stop