### Implemented nova spaces multi-select
##### Summary
- Renamed "All Spaces" to "Nova Spaces" - now filters to only nova content (sm_project_*)
- Added multi-select spaces support via "Select Spaces" modal
- Projects API now returns `{ nova, developer }` instead of `{ projects }`
##### Changes
- `selectedProject` → `selectedProjects[]` (array-based selection)
- New `SelectSpacesModal` component for picking multiple spaces
- Selected spaces appear at top in modal
- Search works by containerTag
- Graphs filter by selected spaces
### Enhanced the Connect AI Modal with manual configuration options and improved MCP integration.
### What changed?
- Added a new "Manual Config" tab in the MCP URL section that generates and displays API keys for authentication
- Implemented automatic API key generation for manual MCP configuration
- Added URL parameter support (`?mcp=manual`) to directly open the MCP modal with manual configuration
- Improved the UI with better tab labels and more descriptive instructions
- Added copy functionality for configuration JSON with visual feedback
- Refactored the ConnectAIModal component to accept new props: `openInitialClient` and `openInitialTab`
- Added state management for API keys and copied status
