- Add market configuration API endpoints for creating, updating, and retrieving market configs
- Add market MCP listing and detail endpoints with support for activated services
- Implement MarketConfigModal component for configuring market connections with URL and API key
- Implement McpServiceModal component for viewing and managing MCP services from markets
- Add infinite scroll pagination for market sources and MCP services
- Add market connection status indicators (connected/disconnected/connecting states)
- Add i18n translations for market configuration UI (en and zh)
- Update Market component to display market sources with connection management
- Add MarketQuery type for market-specific API queries
- Refactor market data structure to match backend API response format
