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/unified-execute-with-file.md

@@ -476,9 +476,9 @@ ${recommendations.map(r => \`- ${r}\`).join('\\n')}
    // Read project-tech.json (if exists)
    const projectTech = file_exists('.workflow/project-tech.json')
      ? JSON.parse(Read('.workflow/project-tech.json')) : null
-   // Read project-guidelines.json (if exists)
-   const projectGuidelines = file_exists('.workflow/project-guidelines.json')
-     ? JSON.parse(Read('.workflow/project-guidelines.json')) : null
+   // Read specs/*.md (if exists)
+   const projectGuidelines = file_exists('.workflow/specs/*.md')
+     ? JSON.parse(Read('.workflow/specs/*.md')) : null
    ```
 
    ```javascript