feat: add templates for epics, product brief, and requirements PRD

- Created a new directory structure for epics and stories with templates for individual epics and an index file.
- Added a product brief template for generating product brief documents in Phase 2.
- Introduced a requirements PRD template for generating a Product Requirements Document as a directory of individual requirement files in Phase 3.

feat: implement V2PipelineTab component for Memory V2 management

- Developed the V2PipelineTab component to manage extraction and consolidation processes.
- Included ExtractionCard and ConsolidationCard components to handle respective functionalities.
- Added JobsList component to display job statuses and allow filtering by job kind.

feat: create hooks for Memory V2 pipeline

- Implemented custom hooks for managing extraction and consolidation statuses, as well as job listings.
- Added mutation hooks to trigger extraction and consolidation processes with automatic query invalidation on success.

ccw/src/core/routes/spec-routes.ts

@@ -224,6 +224,7 @@ export async function handleSpecRoutes(ctx: RouteContext): Promise<boolean> {
     const resolvedPath = resolvePath(projectPath);
     const mode = url.searchParams.get('mode') || 'required'; // required | all | keywords
     const preview = url.searchParams.get('preview') === 'true';
+    const category = url.searchParams.get('category') || undefined; // optional category filter
 
     try {
       const { getDimensionIndex, SPEC_DIMENSIONS } = await import(
@@ -254,6 +255,11 @@ export async function handleSpecRoutes(ctx: RouteContext): Promise<boolean> {
             continue;
           }
 
+          // Filter by category if specified
+          if (category && (entry.category || 'general') !== category) {
+            continue;
+          }
+
           const fileData: InjectionFile = {
             file: entry.file,
             title: entry.title,

ccw/src/core/routes/system-routes.ts

@@ -444,28 +444,28 @@ export async function handleSystemRoutes(ctx: SystemRouteContext): Promise<boole
 
   // API: Get project-tech stats for development progress injection
   if (pathname === '/api/project-tech/stats' && req.method === 'GET') {
-    const projectPath = url.searchParams.get('path') || initialPath;
-    const resolvedPath = resolvePath(projectPath);
-    const techPath = join(resolvedPath, '.workflow', 'project-tech.json');
-
-    if (!existsSync(techPath)) {
-      res.writeHead(200, { 'Content-Type': 'application/json' });
-      res.end(JSON.stringify({
-        total_features: 0,
-        total_sessions: 0,
-        last_updated: null,
-        categories: {
-          feature: 0,
-          enhancement: 0,
-          bugfix: 0,
-          refactor: 0,
-          docs: 0
-        }
-      }));
-      return true;
-    }
-
     try {
+      const projectPath = url.searchParams.get('path') || initialPath;
+      const resolvedPath = resolvePath(projectPath);
+      const techPath = join(resolvedPath, '.workflow', 'project-tech.json');
+
+      if (!existsSync(techPath)) {
+        res.writeHead(200, { 'Content-Type': 'application/json' });
+        res.end(JSON.stringify({
+          total_features: 0,
+          total_sessions: 0,
+          last_updated: null,
+          categories: {
+            feature: 0,
+            enhancement: 0,
+            bugfix: 0,
+            refactor: 0,
+            docs: 0
+          }
+        }));
+        return true;
+      }
+
       const rawContent = readFileSync(techPath, 'utf-8');
       const tech = JSON.parse(rawContent) as {
         development_index?: {