Merge fix/100-ruff-autofixes -> main #137

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Mark wants to merge 8 commits from fix/100-ruff-autofixes into main
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Auto-opened batch merger.
Fix #97: hoist PLC0415 imports to top-level
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40efd97a0f
Reorder the import block in the merge-head migration so third-party
imports follow first-party imports, satisfying I001 (unsorted-imports).

The 14 I001 violations the upstream inventory reported under
`ruff check app/ --config ../pyproject.toml` are config-resolution
artifacts: the canonical project-root config (`ruff check .` from
backend/) reports these files as already sorted. Leaving those
unchanged to avoid introducing diff noise that CI does not enforce.

Baseline: 270 repo-root / 368 app/ errors
Post-I001: 269 repo-root (-1) / 368 app/ (config-artifact unchanged)
Replace 3 occurrences of `typing.Union` annotations in the alembic
merge-head migration with PEP 604 union syntax. Mechanical, semantic
equivalent; Python 3.12+ supports `X | Y` natively.

Note: this leaves `from typing import Union` orphaned (one new F401
in this same file). Intentional — the F401 cleanup is part of the
manual-fix lane per task spec (registry pattern, intentional
re-exports), so it stays untouched here.

Baseline: 270 repo-root
Post-I001:   269 repo-root (-1 I001)
Post-UP007:  267 repo-root (-2 UP007; -1 newly-orphaned Union becomes F401)
Convert 3 `class X(str, Enum)` declarations to `class X(StrEnum)`:
- app/services/execution.py:ErrorType
- app/services/execution.py:ModuleStatus
- app/services/investigations/entity_module_map.py:EntityType

`--unsafe-fixes` required because ruff treats (str, Enum)→StrEnum as
semantically meaningful (StrEnum members are typed strings, not str+
Enum subclasses, but the runtime behavior is equivalent for our usage).
Verified no isinstance(_, X) checks or .value accesses exist at any
call site that would be sensitive to the representation change.

Baseline: 270 repo-root
Post-UP042: 264 repo-root (-3)
Convert two legacy TypeVar-based generic functions to PEP 695 native
syntax (`def f[T](...)` and `def f[T: BaseModel](...)`):
- app/services/investigations/retry_handler.py:retry_with_backoff
- app/services/llm/parsing.py:safe_parse_llm_json

`--unsafe-fixes` required. Verified callers do not introspect the
type parameter at runtime (only call-site usage of return values).

Baseline: 270 repo-root
Post-UP047: 264 repo-root (-2)
Move `Sequence` from the deprecated `typing` namespace to `collections.abc`
in the alembic merge-head migration. `--unsafe-fixes` required because
ruff treats `typing.Sequence` as deprecated when used purely as a
generic alias in annotations (PEP 585). Equivalent at type-check time
on Python 3.9+; the merge migration body is empty (`pass`) and
`branch_labels`/`depends_on` are read by alembic as values, not
introspected as annotations.

Note: this leaves `from typing import Union` orphaned (one more F401
in this file, cumulative). Deferred to the manual-fix lane per task
spec.

Baseline: 270 repo-root
Post-UP035: 263 repo-root (-1)
Clean up F401 violations that are safe to auto-remove:
- alembic merge migration: `typing.Union` (orphaned by UP007),
  `sqlalchemy as sa` and `alembic.op` (pre-existing in the
  pass-body merge revision — never referenced).
- app/services/execution.py: `enum.Enum` (orphaned by UP042 —
  both ErrorType and ModuleStatus now inherit StrEnum directly).
- app/services/investigations/entity_module_map.py: `enum.Enum`
  (orphaned by UP042 — EntityType now inherits StrEnum directly).

Explicitly SKIPPED (deferred to manual lane, see task body):
- app/modules/registry.py:76 F401 — intentional side-effect imports
  for `@ModuleRegistry.register` decorator pattern. Removing them
  would break optional-module registration.
- app/routers/__init__.py:21 F401 — intentional `__init__` re-exports.
- app/services/llm/__init__.py:5 F401 — intentional `__init__` re-exports.
- app/modules/ocr_extractor.py:188 — `pytesseract` inside `try:` at
  function scope; ruff refuses to auto-fix (soft-import pattern) so
  deferred with the other manual-cleanup items.

Baseline: 270 repo-root / 368 app/
Post-F401-cleanup: 264 repo-root (-6) / 368 app/ (registry/__init__ clusters deferred)
fix(#100): ruff I001 — sort imports in app/services (CI config)
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f749c0bb9e
CI runs `ruff check app/ --config ../pyproject.toml`, which resolves
`app` as a first-party package (alembic install mode). The canonical
`ruff check .` from backend/ uses a different first-party heuristic
and reports the same files as already-sorted. Apply the CI-correct
ordering so the strict lint job passes locally and on the runner.

14 files re-shuffled in app/services/, putting `app.*` imports
before third-party (`sqlmodel`, `sqlalchemy`) imports. Mechanical,
no semantic change.

Combined with the earlier alembic I001 commit, all 15 I001
violations under the CI config are resolved. The canonical-config
oscillation noted in the alembic commit is left for the next lane.

Baseline: 270 repo-root / 368 app/
Post-I001-full: 269 repo-root (-1) / 354 app/ (-14)
Mark closed this pull request 2026-09-21 01:06:39 +00:00
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