feat: add SpecDialog component for editing spec frontmatter

- Implement SpecDialog for managing spec details including title, read mode, priority, and keywords.
- Add validation and keyword management functionality.
- Integrate SpecDialog into SpecsSettingsPage for editing specs.

feat: create index file for specs components

- Export SpecCard, SpecDialog, and related types from a new index file for better organization.

feat: implement SpecsSettingsPage for managing specs and hooks

- Create main settings page with tabs for Project Specs, Personal Specs, Hooks, Injection, and Settings.
- Integrate SpecDialog and HookDialog for editing specs and hooks.
- Add search functionality and mock data for specs and hooks.

feat: add spec management API routes

- Implement API endpoints for listing specs, getting spec details, updating frontmatter, rebuilding indices, and initializing the spec system.
- Handle errors and responses appropriately for each endpoint.

.claude/skills/team-lifecycle-v3/SKILL.md

@@ -338,7 +338,8 @@ Session: <session-folder>
 │   ├── plan.json
 │   └── .task/TASK-*.json
 ├── explorations/               # Explorer output (cached)
-├── architecture/               # Architect assessments
+├── architecture/               # Architect assessments + design-tokens.json
+├── analysis/                   # analyst design-intelligence.json (UI mode)
 ├── qa/                         # QA audit reports
 ├── wisdom/                     # Cross-task knowledge
 │   ├── learnings.md