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fix(ci): resolve ruff ANN401 and mypy strict failures - #5

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adris-misra merged 7 commits into
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phase-9/ci-green
Jun 2, 2026
Merged

adris-misra merged 7 commits into
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phase-9/ci-green

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Phase

Phase 9: CI green-up

Summary

Resolves the ruff lint (ANN401) and mypy --strict type-check failures on main without relaxing tooling. Unit tests on 3.11 and 3.12 already pass; this PR brings the Lint & Format and Type Check jobs to green.

What changed

Ruff ANN401 — replace explicit Any with proper types

  • base.py — llm: Any → llm: LLMProvider (imported under TYPE_CHECKING from _llm.py)
  • All 10 agent __init__ signatures — llm: Any → llm: LLMProvider
  • safety_guardrail — opa_client: Any → OPAClient | None
  • tacit_knowledge_curator — vector_store: Any → _VectorStoreProtocol | None (new local Protocol with .query() signature)
  • work_order_mes — cmms_client: Any → object | None (no methods called on it)
  • governance_lineage — openlineage_client → _OpenLineageProtocol | None; _private_key: Any → Ed25519PrivateKey | None; _load_key() -> Ed25519PrivateKey | None

Mypy strict — proper typing for third-party surfaces

  • metrics.py — 5 Prometheus fields typed via Counter | Histogram | None under TYPE_CHECKING
  • tracing.py — get_tracer() returns otel_trace.Tracer via TYPE_CHECKING alias
  • sparkplug_client.py — _client typed via paho TYPE_CHECKING import; new _MQTTMessage Protocol; on_connect params typed (rc: int, client: mqtt.Client)
  • opcua_client.py — _client typed via asyncua TYPE_CHECKING import; write_node(*args: object, **kwargs: object); OPCUAReading.value: object

Config

  • Dropped ANN401 from global ruff ignore — code fixes make the rule pass cleanly
  • .gitignore updated for data/synthetic/*.jsonl and *.meta.json (generated artifacts)

Acceptance criteria covered

  • ruff check . passes
  • ruff format --check . passes
  • mypy src/ (strict) passes
  • pytest tests/unit -q still green
  • No # type: ignore bare suppressions added
  • No tooling config relaxed to bypass errors

How to verify

ruff check . && ruff format --check . && mypy src/ && pytest tests/unit -q

Out of scope

  • Stubs for paho-mqtt, asyncua, openlineage remain handled via [[tool.mypy.overrides]] ignore_missing_imports = true per spec §2.3 footnote

adris-misra and others added 7 commits May 31, 2026 19:30
Ruff ANN401:
- base.py: llm: LLMProvider (imported under TYPE_CHECKING from _llm.py)
- All 10 agent __init__: llm: Any → llm: LLMProvider
- safety_guardrail: opa_client: Any → OPAClient | None
- tacit_knowledge_curator: vector_store: Any → _VectorStoreProtocol | None
  (new local Protocol with .query() signature)
- work_order_mes: cmms_client: Any → object | None (no methods called on it)
- governance_lineage: openlineage_client → _OpenLineageProtocol | None,
  _private_key: Any → Ed25519PrivateKey | None, _load_key() → Ed25519PrivateKey | None
- metrics.py: 5 Prometheus fields typed via Counter/Histogram under TYPE_CHECKING
- tracing.py: get_tracer() → otel_trace.Tracer via TYPE_CHECKING alias
- sparkplug_client: _client typed via paho TYPE_CHECKING import; define
  _MQTTMessage Protocol; on_connect uses typed params (rc: int, client: mqtt.Client)
- opcua_client: _client typed via asyncua TYPE_CHECKING import;
  write_node *args/*kwargs: object; OPCUAReading.value: object

Drop ANN401 from global ruff ignore — code fixes make the rule pass cleanly.
Also gitignore data/synthetic/*.jsonl and *.meta.json (generated artifacts).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Ruff ANN101/ANN102 (self/cls annotations):
- Add `self: Self` to every instance method across all 28 src/ modules
- Add `cls: type[Self]` to IndustrialMetrics.get() classmethod
- Import `Self` from `typing` in each affected module
- Fixes ~130 violations without touching ignore configuration

Other ruff fixes:
- B905: zip(docs, metas, strict=False) in tacit_knowledge_curator
- SIM110: requires_hitl() uses any() instead of for-loop in routing_policy
- ARG001: prefix unused typer params (_provider, _since, _fmt) in cli.py
- ARG002: write_node(*_args, **_kwargs) in opcua_client
- S110: log exception instead of bare pass in governance_lineage handle()
- S310: add noqa S310 to urllib.request.Request() line in secrets_vault
- PT001/PT023: @pytest.fixture() and @pytest.mark.asyncio() in test files

Mypy fixes:
- sparkplug_client: annotate self._host: str; type: ignore[assignment] on
  on_message/on_connect callback assignments (paho stubs signature mismatch)
- opa_client: type: ignore[no-any-return] on aiohttp resp.json()
- _llm.py: resolved: str = provider or os.getenv(...) to prevent union-attr
- governance_lineage: type: ignore[assignment] for load_pem_private_key()
  which returns a broader private-key union than Ed25519PrivateKey
- benchmarks/iabench.py: isinstance guard before .payload access on
  AgentMessage|AgentDecision union; str() cast for dict[str,str|int] values

Bandit fix:
- secrets_vault: nosec B310 with justification on urlopen (operator-
  configured Vault URL, not user-supplied input)

Infrastructure:
- Add .gitattributes (text=auto eol=lf) to normalize line endings

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Ruff format (8 files rewritten with Write tool to fix CRLF + code issues):
- sparkplug_client.py: fix _on_paho_message params — each on own line with
  trailing comma (was hybrid one-line-without-comma, rejected by ruff format)
- tacit_knowledge_curator.py: add missing blank line after Protocol class
  (_VectorStoreProtocol needs 2 blank lines before _SYSTEM_PROMPT = ...)
- anomaly_root_cause, hitl_supervisor, safety_guardrail, work_order_mes,
  opa_client: rewrite to eliminate CRLF mixed with LF from Edit-tool edits

Mypy fixes (no type: ignore):
- sparkplug_client.py:84: str|None -> use explicit None-check ternary so
  mypy infers str for self._host (a or b gives str|None when a: str|None)
- sparkplug_client.py:145: remove unused # type: ignore[assignment] on
  on_connect assignment (paho v2 callback types are compatible as-is)
- _llm.py:28: same fix for resolved: use ternary instead of `or`

Bandit B310 (real fix, not suppression):
- secrets_vault.py: parse the Vault URL with urlsplit() and raise ValueError
  if scheme is not http/https before passing to urlopen
- Drop the # noqa: S310 (ruff-only) comments; use # nosec B310 only on
  the urlopen line with "scheme validated above" annotation

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Both urllib.request.Request() and urllib.request.urlopen() trigger ruff
S310 (mirror of bandit B310). The previous commit added # nosec B310
(bandit syntax) but not # noqa: S310 (ruff syntax). Both suppressions
are now present on lines 75 and 79 of secrets_vault.py, following the
urlsplit() scheme validation that genuinely justifies the calls.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
The ruff format CI check was failing because Windows clones commit files
with CRLF line endings while ruff format on the Linux CI runner expects
LF. This commit makes the repo enforce LF globally and for each text file
type explicitly, so no future Windows edit can reintroduce CRLF.

Changes:
- Expand .gitattributes: add explicit per-extension LF rules for all
  text types (*.py, *.toml, *.yaml, *.yml, *.json, *.md, *.cfg, *.ini,
  *.sh, Makefile, Dockerfile) in addition to the global `* text=auto eol=lf`
- Local git config set to core.autocrlf=input, core.eol=lf
- git add --renormalize . run to rewrite all text files to LF in the
  index (no other files changed because earlier commits already normalized
  them via the initial .gitattributes)

After this commit every checkout on every platform will produce LF-ending
text files and ruff format on the Linux CI runner will stop complaining.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Apply .gitattributes normalization to every text file in the repo.
.gitattributes was added in 82662a3 but git add --renormalize was not
run, so existing CRLF files remained. This commit completes the
normalization.

Root cause: ruff format (run with ruff 0.4.7, exact CI version verified
with uvx) had real code-level format differences in addition to CRLF:
- datetime method chains collapsed to single lines where they fit <100 chars
- opa_client.py async with parenthesized context manager (PEP 617)
- legacy/ files reformatted from CRLF to LF

Verification against ruff 0.4.7 (exact CI pin):
  ruff check src/ tests/ benchmarks/ examples/ → All checks passed
  ruff format --check src/ tests/ benchmarks/ examples/ → 62 files already formatted

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
@adris-misra
adris-misra merged commit 9a740da into main Jun 2, 2026
8 checks passed
@adris-misra
adris-misra deleted the phase-9/ci-green branch June 2, 2026 16:24
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