## 1. Manifest Definition

- [x] 1.1 Create apps/api/app/tools/manifests/opencode.yml with web terminal config
- [x] 1.2 Add Docker image (ghcr.io/opencode-ai/opencode:latest), ports (3000), volumes
- [x] 1.3 Add health check configuration to manifest
- [x] 1.4 Validate manifest against ToolManifest schema

## 2. Container Setup

- [x] 2.1 Verify OpenCode image availability and configuration
- [x] 2.2 Document web terminal access pattern
- [x] 2.3 Configure environment variables for terminal support
- [x] 2.4 Test container locally with docker run
- [x] 2.5 Verify web terminal accessibility

## 3. Spawn Integration

- [x] 3.1 Verify SpawnService (FN-010) can spawn OpenCode instances
- [x] 3.2 Add OpenCode-specific volume mounts (config)
- [x] 3.3 Test spawn via API endpoint
- [x] 3.4 Verify Traefik routing to OpenCode container

## 4. Frontend Integration

- [x] 4.1 Add OpenCode to tool selection dropdown
- [x] 4.2 Display OpenCode-specific options in spawn form
- [x] 4.3 Show OpenCode instance status in detail page

## 5. Testing & Verification

- [x] 5.1 Test terminal availability in spawned container
- [x] 5.2 Test web interface accessibility
- [x] 5.3 Test health endpoint response
- [x] 5.4 Verify workspace mount is accessible
- [x] 5.5 Run full test suite: `make test`
- [x] 5.6 Run linters: `make lint`

## 6. Documentation

- [x] 6.1 Document OpenCode setup in docs/development.md
- [x] 6.2 Add OpenCode usage guide
- [x] 6.3 Document terminal configuration and AI features