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/commands/workflow/req-plan-with-file.md

@@ -347,7 +347,7 @@ Bash(`mkdir -p ${sessionFolder}`)
    1. Run: ccw tool exec get_modules_by_depth '{}'
    2. Execute relevant searches based on requirement keywords
    3. Read: .workflow/project-tech.json (if exists)
-   4. Read: .workflow/project-guidelines.json (if exists)
+   4. Read: .workflow/specs/*.md (if exists)
 
    ## Exploration Focus
    - Identify modules/components related to the requirement