feat: Implement phases 6 to 9 of the review cycle fix process, including discovery, batching, parallel planning, execution, and completion

- Added Phase 6: Fix Discovery & Batching with intelligent grouping and batching of findings.
- Added Phase 7: Fix Parallel Planning to launch planning agents for concurrent analysis and aggregation of partial plans.
- Added Phase 8: Fix Execution for stage-based execution of fixes with conservative test verification.
- Added Phase 9: Fix Completion to aggregate results, generate summary reports, and handle session completion.
- Introduced new frontend components: ResizeHandle for draggable resizing of sidebar panels and useResizablePanel hook for managing panel sizes with localStorage persistence.
- Added PowerShell script for checking TypeScript errors in source code, excluding test files.

ccw/frontend/src/components/shared/LogBlock/LogBlockList.tsx

@@ -28,9 +28,8 @@ export function LogBlockList({ executionId, className }: LogBlockListProps) {
   // Get blocks directly from store using the getBlocks selector
   // This avoids duplicate logic and leverages store-side caching
   const blocks = useCliStreamStore(
-    (state) => executionId ? state.getBlocks(executionId) : [],
-    (a: LogBlockData[], b: LogBlockData[]) => a === b // Shallow comparison - arrays are cached in store
-  );
+    (state) => executionId ? state.getBlocks(executionId) : []
+  ) as LogBlockData[];
 
   // Get execution status for empty state display
   const currentExecution = useCliStreamStore((state) =>