### What problem does this PR solve?

- Update search_app.py to use SearchService instead of
KnowledgebaseService for duplicate

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

Add MCP server dashboard operations.

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

Wrap search app

### Type of change

- [x] New Feature (non-breaking change which adds functionality)