211 lines
8.3 KiB
Markdown
211 lines
8.3 KiB
Markdown
# Quality Assessment -- 2026-04-11
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> **Score: 78.3 / 100 — Grade: B**
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> No code changes since baseline. All metrics identical. Five recommended actions remain open — completing them would project to ~85 (B+).
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| Dimension | Score |
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|-----------|-------|
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| Test Health | 8.0 |
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| Type Safety | 6.5 |
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| Lint Hygiene | 6.0 |
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| Architecture | 9.0 |
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| Documentation | 9.0 |
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| Complexity | 7.0 |
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| Security | 8.5 |
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| Maintainability | 8.5 |
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**Version:** 0.1.0
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**Assessed by:** Claude Opus 4.6
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**Previous assessment:** QA-2026-04-11_0459.md
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---
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## Inventory
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| Metric | Value |
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|--------|-------|
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| Source files | 72 |
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| Source lines | 10,325 |
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| Test files | 30 |
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| Test lines | 2,736 |
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| Test:source ratio | 0.26 |
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| Direct dependencies | 10 core + 1 optional + 4 dev |
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---
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## Raw Metrics
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### Test Suite
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```
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240 passed, 7 warnings in 9.26s
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```
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- Tests collected: 240
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- Tests passed: 240
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- Tests failed: 0
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- Test duration: 9.26s
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### Type Safety (mypy --strict)
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```
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Found 49 errors in 20 files (checked 72 source files)
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```
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- Total errors: 49
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- Files with errors: 20 / 72 (72% clean)
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- Top error categories:
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- `[type-arg]` 17 -- missing generic parameters on `dict`, `list`
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- `[attr-defined]` 9 -- attribute access on loosely typed objects
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- `[no-any-return]` 5 -- returning `Any` from typed functions
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- `[var-annotated]` 3
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- `[import-untyped]` 3
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- `[assignment]` 3
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- `[valid-type]` 2
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- `[return-value]` 2
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- `[no-untyped-call]` 2
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- `[unused-ignore]` 1
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- `[no-untyped-def]` 1
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- `[comparison-overlap]` 1
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### Lint (ruff)
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```
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Found 89 errors.
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[*] 73 fixable with the `--fix` option (9 hidden fixes can be enabled with the `--unsafe-fixes` option).
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```
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- Total violations: 89
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- Auto-fixable: 73 (82%)
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- Top violation rules:
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- `F401` 61 -- unused imports
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- `I001` 9 -- unsorted imports
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- `F601` 8 -- duplicate dictionary keys
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- `E501` 5 -- line too long
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- `F841` 3 -- unused variables
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- `P035` 2 -- string concatenation in f-string
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- `F541` 1 -- f-string without placeholder
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### Complexity
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- File size: min=1 / median=133 / mean=143 / max=693
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- Files >300 lines: 6 / 72
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- High-complexity files (branch density >15):
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```
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80 src/impakt/io/mme.py (693 lines) -- ISO 13499 parser, justified
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44 src/impakt/web/components/criteria.py (343) -- UI assembly with protocol logic
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30 src/impakt/channel/model.py (456) -- core data model, multiple classes
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27 src/impakt/web/state.py (274) -- app state with multi-test support
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27 src/impakt/protocol/euro_ncap.py (238) -- sliding-scale scoring tables
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25 src/impakt/web/callbacks/plot_callbacks.py (249) -- transform pipeline orchestration
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21 src/impakt/protocol/iihs.py (180) -- G/A/M/P rating logic
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20 src/impakt/plot/engine.py (257) -- Plotly rendering with corridors
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19 src/impakt/script/cli.py (140) -- CLI arg parsing
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17 src/impakt/web/components/channel_grid.py (368) -- DataTable assembly
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16 src/impakt/web/callbacks/channel_callbacks.py (195) -- selection/filter callbacks
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```
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### Documentation
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- Docstring coverage: 414 / 454 definitions (91%)
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- Modules with `__all__`: 6 / 11 public modules
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- channel: YES
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- criteria: YES
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- io: NO
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- plot: YES
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- plugin: NO
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- protocol: YES
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- report: NO
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- script: NO
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- template: NO
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- transform: YES
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- web: YES
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- README: 1,266 lines with 20 Mermaid diagram references
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- Architectural diagrams: yes
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### Security
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- eval/exec (sandboxed): 1 -- `math_expr.py:151`, restricted builtins `{}` + token blocklist (flagged `# noqa: S307`)
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- eval/exec (unsandboxed): 0
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- subprocess: 0 (the string "subprocess" appears only as a blocklist entry in `math_expr.py`)
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- Hardcoded secrets: 0
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- Bare except: 0
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### Maintainability
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- TODO: 0
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- FIXME: 0
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- HACK: 0
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- Logging calls: 48
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- try/except blocks: 52
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- Bare excepts: 0
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- Internal imports (coupling): 190
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---
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## Scorecard
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| # | Dimension | Weight | Score | Weighted | Justification |
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|---|-----------|--------|-------|----------|---------------|
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| 1 | Test Health | 20% | 8.0/10 | 16.0 | 240/240 pass. 0.26 ratio (within 0.2-0.5 band). Integration tests with real datasets. No coverage % configured. |
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| 2 | Type Safety | 15% | 6.5/10 | 9.75 | mypy strict enabled. 49 errors remain in 20 files, concentrated in web layer. Mostly cosmetic (`type-arg` 17). Between 6 (<50 errors) and 8 (<10 errors). |
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| 3 | Lint Hygiene | 10% | 6.0/10 | 6.0 | 89 violations, 82% auto-fixable. Dominated by unused imports (F401=61). 8 duplicate dict keys (F601) need manual fix. Rubric: <100, mostly auto-fixable = 6. |
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| 4 | Architecture | 15% | 9.0/10 | 13.5 | Clean 4-layer design (data -> transform -> protocol -> web). Plugin system. No layer violations found. 6/11 modules export `__all__`. Docked 1 point for 5 missing `__all__`. |
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| 5 | Documentation | 10% | 9.0/10 | 9.0 | 91% docstring coverage (>90%). README with 20 Mermaid diagrams. No generated API reference docs, so not a full 10. |
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| 6 | Complexity | 10% | 7.0/10 | 7.0 | Median 133 (<150). 6 files >300 lines. `mme.py` at 693/80 complexity is the outlier -- justified as a format parser. Between 8 (<=3 files >300) and 6 (<=10 files >300). |
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| 7 | Security | 10% | 8.5/10 | 8.5 | Single eval sandboxed with `{"__builtins__": {}}` + 16-item token blocklist. No subprocess, no secrets. Between 9 (sandboxed) and 7 (partially sandboxed). |
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| 8 | Maintainability | 10% | 8.5/10 | 8.5 | Zero debt markers. Zero bare excepts. 48 logging calls across codebase. Modern tooling (uv, hatchling, ruff, mypy). Between 10 (perfect) and 8 (<5 markers). |
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### Composite Score: **78.3 / 100**
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### Grade: **B**
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Calculation: (8.0*0.20 + 6.5*0.15 + 6.0*0.10 + 9.0*0.15 + 9.0*0.10 + 7.0*0.10 + 8.5*0.10 + 8.5*0.10) * 10 = (1.60 + 0.975 + 0.60 + 1.35 + 0.90 + 0.70 + 0.85 + 0.85) * 10 = 78.25 -> 78.3
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---
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## Delta from Previous Assessment
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| Dimension | Previous | Current | Change |
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|-----------|----------|---------|--------|
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| Test Health | 8.0 | 8.0 | 0.0 |
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| Type Safety | 6.5 | 6.5 | 0.0 |
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| Lint Hygiene | 6.0 | 6.0 | 0.0 |
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| Architecture | 9.0 | 9.0 | 0.0 |
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| Documentation | 9.0 | 9.0 | 0.0 |
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| Complexity | 7.0 | 7.0 | 0.0 |
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| Security | 8.5 | 8.5 | 0.0 |
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| Maintainability | 8.5 | 8.5 | 0.0 |
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| **Composite** | **78.3** | **78.3** | **0.0** |
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---
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## Top Improvements Since Last Assessment
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No code changes since previous assessment -- all metrics are identical.
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---
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## Recommended Actions (Priority Order)
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| # | Action | Effort | Impact | Dimensions Affected |
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|---|--------|--------|--------|---------------------|
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| 1 | Run `uv run ruff check --fix src/` to clear 73 auto-fixable violations | 1 min | +2.0 lint -> 8.0 | Lint Hygiene |
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| 2 | Fix 8 duplicate dict keys in `channel/lookup.py` (F601) and remaining manual lint fixes | 15 min | +1.0 lint -> 9.0+ | Lint Hygiene |
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| 3 | Add `--cov --cov-report=term` to pytest config, target 80%+ branch coverage | 30 min | +1.0 test | Test Health |
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| 4 | Resolve 17 `[type-arg]` mypy errors (add `dict[str, X]` generics to web layer) | 1 hr | +1.0 type | Type Safety |
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| 5 | Add `__all__` to `io`, `plugin`, `report`, `script`, `template` modules | 30 min | +0.5 arch | Architecture |
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**Projected score after actions 1-5: ~85 (B+)**
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---
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## Notes
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- **No code changes detected** between this assessment and the prior one (QA-2026-04-11_0459). All raw metrics are identical, yielding the same scores. The recommended actions from the baseline remain open.
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- **Architecture score is qualitative.** Import graph was inspected: no layer violations found (data layer does not import from web/plot). The `web` module sits at the top of the dependency tree as expected.
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- **Security eval in `math_expr.py`** is sandboxed (empty `__builtins__`, 16-entry token blocklist for `import`, `exec`, `eval`, `subprocess`, `os.`, `sys.`, `__`, etc.). The `# noqa: S307` comment causes it to be excluded from the `grep -v '# noqa'` security scan. An AST-based evaluator would be safer but is lower priority given the blocklist approach.
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- **The "subprocess" grep hit** is a false positive: the string appears only in the forbidden-token blocklist within `math_expr.py`, not as an actual subprocess invocation.
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- **Complexity scoring for `mme.py`** remains lenient because format parsers inherently have high branch density. If it grows beyond ~800 lines, consider extracting sub-parsers.
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- **Test:source ratio of 0.26** has not changed. Protocol and criteria modules remain the highest-value targets for additional test coverage.
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