Implement complete QUERY message protocol for federated queries between Mosaic Stack instances, building on existing connection infrastructure. Database Changes: - Add FederationMessageType enum (QUERY, COMMAND, EVENT) - Add FederationMessageStatus enum (PENDING, DELIVERED, FAILED, TIMEOUT) - Add FederationMessage model for tracking all federation messages - Add workspace and connection relations Types & DTOs: - QueryMessage: Signed query request payload - QueryResponse: Signed query response payload - QueryMessageDetails: API response type - SendQueryDto: Client request DTO - IncomingQueryDto: Validated incoming query DTO QueryService: - sendQuery: Send signed query to remote instance via ACTIVE connection - handleIncomingQuery: Process and validate incoming queries - processQueryResponse: Handle and verify query responses - getQueryMessages: List workspace queries with optional status filter - getQueryMessage: Get single query message details - Message deduplication via unique messageId - Signature verification using SignatureService - Timestamp validation (5-minute window) QueryController: - POST /api/v1/federation/query: Send query (authenticated) - POST /api/v1/federation/incoming/query: Receive query (public, signature-verified) - GET /api/v1/federation/queries: List queries (authenticated) - GET /api/v1/federation/queries/🆔 Get query details (authenticated) Security: - All messages signed with instance private key - All responses verified with remote public key - Timestamp validation prevents replay attacks - Connection status validation (must be ACTIVE) - Workspace isolation enforced via RLS Testing: - 15 QueryService tests (100% coverage) - 9 QueryController tests (100% coverage) - All tests passing with proper mocking - TypeScript strict mode compliance Refs #88 Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
42 KiB
42 KiB