huskies: done 474_story_per_file_test_coverage_report_with_improvement_targets

This commit is contained in:
dave
2026-04-04 15:11:29 +00:00
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name: "Per-file test coverage report with improvement targets"
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# Story 474: Per-file test coverage report with improvement targets
## User Story
As a developer, I want a standardised JSON output format for test coverage so that any language's coverage tool can produce it and huskies can read it without language-specific logic.
## Acceptance Criteria
- [ ] Define a standard `.coverage_report.json` format: `{ "overall": float, "threshold": float, "files": [{ "path": string, "coverage": float }] }`
- [ ] Update huskies' own `script/test_coverage` to write `.coverage_report.json` in this format (Rust via `cargo llvm-cov --json`, frontend via vitest)
- [ ] `coverage` bot command reads `.coverage_report.json` and shows overall percentage plus top 5 lowest-covered files as improvement targets
- [ ] Document the `.coverage_report.json` format in `.huskies/README.md` so other projects can produce it from any language
- [ ] Huskies server has zero language-specific coverage logic — all intelligence is in the project's `script/test_coverage`
## Out of Scope
- TBD