Files
stack/apps/orchestrator
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
..

Mosaic Orchestrator

Agent orchestration service for Mosaic Stack built with NestJS.

Overview

The Orchestrator is the execution plane of Mosaic Stack, responsible for:

  • Spawning and managing Claude agents
  • Task queue management (Valkey-backed)
  • Agent health monitoring and recovery
  • Git workflow automation
  • Quality gate enforcement callbacks
  • Killswitch emergency stop

Architecture

Part of the Mosaic Stack monorepo at apps/orchestrator/.

Controlled by apps/coordinator/ (Quality Coordinator). Monitored via apps/web/ (Agent Dashboard).

Development

# Install dependencies (from monorepo root)
pnpm install

# Run in dev mode (watch mode)
pnpm --filter @mosaic/orchestrator dev

# Build
pnpm --filter @mosaic/orchestrator build

# Start production
pnpm --filter @mosaic/orchestrator start:prod

# Test
pnpm --filter @mosaic/orchestrator test

# Generate module (NestJS CLI)
cd apps/orchestrator
nest generate module <name>
nest generate controller <name>
nest generate service <name>

NestJS Architecture

  • Modules: Feature-based organization (spawner, queue, monitor, etc.)
  • Controllers: HTTP endpoints (health, agents, tasks)
  • Services: Business logic
  • Providers: Dependency injection

Configuration

Environment variables loaded via @nestjs/config. See .env.example for required vars.

Documentation

  • Architecture: /docs/ORCHESTRATOR-MONOREPO-SETUP.md
  • API Contracts: /docs/M6-ISSUE-AUDIT.md
  • Milestone: M6-AgentOrchestration (0.0.6)