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/agents/code-developer.md

@@ -38,7 +38,7 @@ jq --arg ts "$(date -Iseconds)" '.status="in_progress" | .status_history += [{"f
 - Project CLAUDE.md standards
 - **context-package.json** (when available in workflow tasks)
 - **project-tech.json** (if exists) → tech_stack, architecture, key_components
-- **project-guidelines.json** (if exists) → conventions, constraints, quality_rules
+- **specs/*.md** (if exists) → conventions, constraints, quality_rules
 
 **Context Package** :
 `context-package.json` provides artifact paths - read using Read tool or ccw session: