feat: Add export/import and Desk CRM sync tools (164 total)

New modules:
- export-import.ts (2 tools): export_collection_to_markdown, import_markdown_folder
- desk-sync.ts (2 tools): create_desk_project_doc, link_desk_task

Updated:
- CHANGELOG.md: Version 1.2.1
- CLAUDE.md: Updated to 164 tools across 33 modules
- CONTINUE.md: Updated state documentation
- AUDIT-REQUEST.md: Updated metrics and file list

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/tools/index.ts

@@ -96,3 +96,9 @@ export { advancedSearchTools } from './advanced-search.js';
 
 // Analytics Tools - Usage statistics and insights
 export { analyticsTools } from './analytics.js';
+
+// Export/Import Tools - Advanced Markdown export/import
+export { exportImportTools } from './export-import.js';
+
+// Desk Sync Tools - Desk CRM integration
+export { deskSyncTools } from './desk-sync.js';