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feat(my-deepagent): v0.1.0 Step 0~5 — scaffolding through deepagent + OpenRouter

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Python rewrite of the agent harness on top of deepagents 0.6.1 + langchain 1.x,
replacing the abandoned TS attempt in packages/. 388 unit/integration tests pass.

Steps
-----
0. Scaffolding — uv workspace, ruff/mypy/pre-commit/alembic, src/tests/docs
   trees with docs/schemas/ seeded from my-deepagent-seed/.
1. Core — config (pydantic-settings with MYDEEPAGENT_ env prefix and TOML
   source), enums (Backend, Capability, RiskLevel, ApprovalDecisionAction,
   ApprovalState, RunState, RunPhaseState, SessionState, ErrorClass),
   errors (MyDeepAgentError + BudgetExhaustedError with PEP-3134 cause +
   context suppression), hash (canonical JSON + sha256).
2. Persona/Workflow/Binding — pydantic v2 schemas with tuple-based deep
   immutability (post-construction hash drift prevented), YAML loaders,
   deterministic auto-select (preferred_backends → version → name → hash),
   override resolution with ineligibility diagnostics, PersonaConsentStore
   with fcntl.flock + tmp+fsync+rename atomic write.
3. Artifact schema registry — Draft202012Validator, multi-root resolution,
   structured ValidationFinding output.
4. Persistence — 18 SQLAlchemy 2.0 async ORM models with FK CASCADE/RESTRICT,
   WAL + busy_timeout + foreign_keys PRAGMA, alembic baseline +
   ux_active_run_repo_base partial unique index, LangGraph SqliteSaver as
   context manager only (lifecycle safety).
5. DeepAgent session — build_agent wires Persona → create_deep_agent with
   LocalShellBackend / FilesystemBackend / StateBackend / CompositeBackend,
   ChatOpenAI(base_url=openrouter) for openrouter: model strings, and 4
   middleware classes (cost / audit-tool / safety-shell / fallback-model).

Critical workarounds
--------------------
- deepagents 0.6.1 rejects FilesystemPermission together with backends that
  implement SandboxBackendProtocol (LocalShellBackend). SafetyShellMiddleware
  enforces destructive-command and secret-path policy at the tool layer
  instead, and build_agent strips the permissions kwarg when the persona's
  deepagents_backend is local_shell.
- FilesystemOperation in deepagents is Literal['read', 'write'] only;
  _map_operations collapses our richer schema (read/write/edit/ls) safely.

Real OpenRouter smoke
---------------------
test_openrouter_deepagents_local_shell_smoke calls DeepSeek via deepagents +
LocalShellBackend + SafetyShellMiddleware end-to-end. PASS, ~$0.000001 cost,
input=9 / output=1 tokens with content "OK".

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
chungyeong
2026-05-15 19:40:02 +09:00
parent 1fe59d16ca
commit 17ba5d723b
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# Changelog
## [Unreleased]
### Added
- persistence/models.py (P0-1): partial unique index `ux_active_run_repo_base` on `runs(repo_path, base_branch) WHERE state NOT IN ('completed','failed','aborted')` — prevents duplicate active runs per repo/branch
- persistence/models.py (P0-3): FK constraints added to `RunRow.template_id` (RESTRICT), `RunBindingRow.persona_id` (RESTRICT), `InteractiveSessionRow.persona_id` (RESTRICT), `RunEventRow.phase_id` (CASCADE), `ApprovalRequestRow.phase_id` (CASCADE), `ArtifactRow.phase_id` (CASCADE), `ToolCallRow.run_id/phase_id/interactive_session_id` (CASCADE), `LlmCallRow.run_id/phase_id/interactive_session_id` (CASCADE), `PhaseFeedbackRow.run_id/phase_id` (CASCADE)
- alembic/versions/839f2233e346: new migration adding partial unique index and all FK constraints above; uses SQLite table-rebuild pattern with PRAGMA foreign_keys=OFF/ON guard
- persistence/checkpointer.py (P0-4): removed `get_checkpointer` (leaking connection helper); only `get_checkpointer_ctx` context manager is now exported
- tests/integration/test_checkpointer.py: 5 tests for checkpointer ctx lifecycle (file creation, parent dir, connection cleanup, lock-free concurrent use)
- tests/integration/test_persistence.py: 7 new P0 verification tests (active-run partial index blocks/allows, cascade-delete of phase_feedback+run_phases, RESTRICT on template delete, index exists in sqlite_master)
- tests/unit/test_session.py: full rewrite to deepagents dataclass API — FilesystemPermission attribute access (.mode/.paths/.operations), build_backend type dispatch (5 cases), _map_operations deduplication (8 cases), _spec_to_permission mapping, updated _subagent_to_dict and _resolve_openrouter_api_key tests; 47 unit tests total
- tests/integration/test_openrouter_smoke.py: real OpenRouter/DeepSeek smoke test (3 tests, ~$0.001-$0.003/run, max_tokens=50); skipped automatically when no API key is configured; validates ChatOpenAI response, usage_metadata tokens, and deepagents CompiledStateGraph end-to-end
- pyproject.toml: registered `integration` pytest marker to silence --strict-markers error
- v0.1.0 scaffolding (Step 0): src/tests/docs trees, ruff/mypy/pre-commit/alembic config
- Seed assets copied to docs/schemas/ (personas/workflows/artifacts validated)
- Core module (Step 1): config, enums, errors, hash + unit tests
- Persona / Workflow / Binding module (Step 2): pydantic schemas, YAML loaders, deterministic auto-select, override, consent store with atomic write
- Step 1 review patches (P0/P1): exception chain context suppression, classmethod LSP fix, workspace_root realpath canonicalization, config_invalid error mapping
### Changed
- deepagents 0.6.1 LocalShellBackend + permissions conflict workaround: removed `permissions` block from all 10 seed personas; `SafetyShellMiddleware` now enforces destructive-command + secret-path policy at the tool layer for local_shell backend agents.
- `build_agent` automatically prepends `SafetyShellMiddleware` to every agent and skips `permissions` kwarg when `deepagents_backend == "local_shell"`.
- `SafetyShellMiddleware` extended with secret-path enforcement: `read_file`/`write_file`/`edit_file`/`ls` tool calls are blocked when `file_path`/`path` matches any `DENY_PATH_PATTERNS` glob (wcmatch GLOBSTAR|IGNORECASE|DOTGLOB).
- All env vars require `MYDEEPAGENT_` prefix (e.g. `MYDEEPAGENT_OPENROUTER_API_KEY`, `MYDEEPAGENT_BUDGET_DAILY_USD`). `.env.example` updated accordingly. This isolates my-deepagent's env namespace from other tools.
- Persona / Workflow / FilesystemPermission models now store list-valued fields as tuples (deep immutability — prevents post-construction mutation that would invalidate compute_hash()).