- Add mappings array support to git_mount entries
- Clone repository once per git_mount entry, mount multiple subdirectories
- Normalize legacy source_path+target_path to mappings on read
- Update _merge_git_mounts to dedup by (remote_url, branch) and concatenate mappings
- Add _normalize_git_mount, _clone_git_repo, _resolve_git_mount_mappings helpers
- Update GitMountItem Pydantic model with GitMountMapping and model_validator
- Update frontend GitMountEditor component with mappings UI
- Auto-convert legacy git mount entries to mappings format on load
- Add 15 backend unit tests for normalization, resolution, and glob expansion
- Update existing config profile resolver tests for new merge behavior
Quality gates: pytest 167 passed, frontend typecheck clean
Addresses: config-profile-multi-repo-mounts
- Add ToolDefinitionManifest model with base image versioning
- Add manifest compiler: Dockerfile + Compose generation from JSON manifests
- Add permission fixer: post-start chown/chmod for mount policies
- Add tool definition CRUD API with live compile preview endpoint
- Integrate manifest-based startup flow in start_instance
- Add Alembic migration with data conversion for pi-agent
- Add 48 unit tests for manifest compiler, permission fixer, docker service
- Keep backward compatibility with legacy dockerfile_template/compose_template
Migration: applied successfully. Pi-agent converted to manifest.
Quality gates: pytest (146 passed, 4 pre-existing unrelated failures)
Alex Blank