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.

.claude/skills/team-lifecycle-v4/subagents/explore-subagent.md

@@ -15,7 +15,7 @@ Results were scattered across different directories and never shared. In v4, all
 
 ```
 Task({
-  subagent_type: "Explore",
+  subagent_type: "cli-explore-agent",
   run_in_background: false,
   description: "Explore <angle>",
   prompt: `Explore codebase for: <query>
@@ -136,7 +136,7 @@ For complex queries, call cli-explore-agent per angle. The calling role determin
 ```
 # After seed analysis, explore codebase context
 Task({
-  subagent_type: "Explore",
+  subagent_type: "cli-explore-agent",
   description: "Explore general context",
   prompt: "Explore codebase for: <topic>\nFocus angle: general\n..."
 })
@@ -149,7 +149,7 @@ Task({
 # Multi-angle exploration before plan generation
 for angle in selected_angles:
   Task({
-    subagent_type: "Explore",
+    subagent_type: "cli-explore-agent",
     description: "Explore <angle>",
     prompt: "Explore codebase for: <task>\nFocus angle: <angle>\n..."
   })