Jason Woltje
7a84d96d72
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Implemented strict whitelist-based validation for git branch names and repository URLs to prevent command injection vulnerabilities in worktree operations. Security fixes: - Created git-validation.util.ts with whitelist validation functions - Added custom DTO validators for branch names and repository URLs - Applied defense-in-depth validation in WorktreeManagerService - Comprehensive test coverage (31 tests) for all validation scenarios Validation rules: - Branch names: alphanumeric + hyphens + underscores + slashes + dots only - Repository URLs: https://, http://, ssh://, git:// protocols only - Blocks: option injection (--), command substitution ($(), ``), shell operators - Prevents: SSRF attacks (localhost, internal networks), credential injection Defense layers: 1. DTO validation (first line of defense at API boundary) 2. Service-level validation (defense-in-depth before git operations) Fixes #274 Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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)