2 Commits

Author SHA1 Message Date
Jason Woltje
12abdfe81d feat(#93): implement agent spawn via federation
Implements FED-010: Agent Spawn via Federation feature that enables
spawning and managing Claude agents on remote federated Mosaic Stack
instances via COMMAND message type.

Features:
- Federation agent command types (spawn, status, kill)
- FederationAgentService for handling agent operations
- Integration with orchestrator's agent spawner/lifecycle services
- API endpoints for spawning, querying status, and killing agents
- Full command routing through federation COMMAND infrastructure
- Comprehensive test coverage (12/12 tests passing)

Architecture:
- Hub → Spoke: Spawn agents on remote instances
- Command flow: FederationController → FederationAgentService →
  CommandService → Remote Orchestrator
- Response handling: Remote orchestrator returns agent status/results
- Security: Connection validation, signature verification

Files created:
- apps/api/src/federation/types/federation-agent.types.ts
- apps/api/src/federation/federation-agent.service.ts
- apps/api/src/federation/federation-agent.service.spec.ts

Files modified:
- apps/api/src/federation/command.service.ts (agent command routing)
- apps/api/src/federation/federation.controller.ts (agent endpoints)
- apps/api/src/federation/federation.module.ts (service registration)
- apps/orchestrator/src/api/agents/agents.controller.ts (status endpoint)
- apps/orchestrator/src/api/agents/agents.module.ts (lifecycle integration)

Testing:
- 12/12 tests passing for FederationAgentService
- All command service tests passing
- TypeScript compilation successful
- Linting passed

Refs #93

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
2026-02-03 14:37:06 -06:00
Jason Woltje
41d56dadf0 fix(#199): implement rate limiting on webhook endpoints
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Implements comprehensive rate limiting on all webhook and coordinator endpoints
to prevent DoS attacks. Follows TDD protocol with 14 passing tests.

Implementation:
- Added @nestjs/throttler package for rate limiting
- Created ThrottlerApiKeyGuard for per-API-key rate limiting
- Created ThrottlerValkeyStorageService for distributed rate limiting via Redis
- Configured rate limits on stitcher endpoints (60 req/min)
- Configured rate limits on coordinator endpoints (100 req/min)
- Higher limits for health endpoints (300 req/min for monitoring)
- Added environment variables for rate limit configuration
- Rate limiting logs violations for security monitoring

Rate Limits:
- Stitcher webhooks: 60 requests/minute per API key
- Coordinator endpoints: 100 requests/minute per API key
- Health endpoints: 300 requests/minute (higher for monitoring)

Storage:
- Uses Valkey (Redis) for distributed rate limiting across API instances
- Falls back to in-memory storage if Redis unavailable

Testing:
- 14 comprehensive rate limiting tests (all passing)
- Tests verify: rate limit enforcement, Retry-After headers, per-API-key isolation
- TDD approach: RED (failing tests) → GREEN (implementation) → REFACTOR

Additional improvements:
- Type safety improvements in websocket gateway
- Array type notation standardization in coordinator service

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
2026-02-02 13:07:16 -06:00