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Size is not a defect on its own — some problems genuinely live in one place — but these are where merge conflicts, review fatigue and single-owner knowledge concentrate, and they are the first thing that slows an inheriting engineer down.","context_why":"A note that does not affect this rating: measured against its own codebase's median, it is below the 85th percentile of 382 surveyed projects' largest files, where this check begins to count."}],"signals_run":11,"conclusive_signals":10,"what_a_person_adds":[{"id":"01.38","kind":"H+","where":"The team","measured":"No architecture or design document is in the tree, across 335 product files.","question":"Where does the design live, and who holds it?"},{"id":"01.35","kind":"H+","where":"The team and the submodule owners","measured":"The repository pulls code in through git submodules (.gitmodules).","question":"A buyer receives pointers, not that code. Can every submodule be fetched without the team's credentials, and who owns each one?"},{"id":"01.39","kind":"H","where":"Your architects, with the product roadmap","question":"Is the architecture right for the next three years of the product?"},{"id":"01.40","kind":"H","where":"The team's reasoning at the time","question":"Were the home-grown components reasonable choices when they were made, and are they now?"}]},{"id":"02","band":"adequate","name":"Engineering Process & SDLC Maturity","coverage":"high","findings":[{"id":"02.3","band":"adequate","layer":"deterministic","title":"Tests cover a thin slice of the codebase","signal":"test_presence","weight":"corroborating","evidence":[{"ref":"test-file-ratio","kind":"metric","detail":"15 test files / 182 source files"}],"observed":{"tests":15,"source":182,"test_ratio":0.082},"dimension":"02","rationale":"15 test files against 182 source files (8.2%). This does not measure whether the tests are good, only whether enough of them exist for the codebase to be changed safely by someone who did not write it — which is exactly the situation after an acquisition."}],"signals_run":16,"conclusive_signals":15,"what_a_person_adds":[{"id":"02.32","kind":"H","where":"The code host's pull request data","question":"Is review real or a rubber stamp? 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The concentration figure alone would not show this. Whoever is changing this code now is not the person who wrote most of it, which is the situation an acquirer is usually told they are avoiding. 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Rework is normal and often healthy, but a rising ratio means an increasing share of the team's time is spent replacing code that already exists rather than building what does not. Whether that is deliberate repayment or churn is a question for the team.","context_why":"A note that does not affect this rating: in Borehole's calibration, this check's notes were usually true but overstated."},{"id":"04.19","band":"adequate","layer":"deterministic","title":"4% of bug fixes add or change a test","signal":"fixes_with_tests","weight":"corroborating","evidence":[{"ref":"fix commits touching tests","kind":"metric","detail":"3 of 81"}],"observed":{"fixes":81,"share":0.037,"with_tests":3},"dimension":"04","rationale":"Of 81 fixes in the last 24 months, 3 touched a test. A fix without the test that would have caught the bug can quietly come back, and the suite never learns from what went wrong."}],"signals_run":19,"conclusive_signals":11,"what_a_person_adds":[{"id":"04.11","kind":"H+","where":"The team","measured":"205 commits landed in the last year, against 347 the year before (-41%).","question":"Is that maintenance mode, a pivot, or fewer people working on it? 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Tags have been moved to malicious commits in real supply-chain attacks, and a piped script is whatever the server returns that minute. Pinning to a commit is the fix, and it is small.","context_why":"A note that does not affect this rating: notes like it are common in well-run projects."},{"id":"05.60","band":"adequate","layer":"deterministic","title":"Relicensed: MIT → AGPL-3.0 (2018-01-28)","signal":"licence_changes","weight":"corroborating","context":true,"evidence":[{"ref":"26959020b","kind":"commit","path":"LICENSE","detail":"MIT from 2017-11-23"},{"ref":"d7d905447","kind":"commit","path":"LICENSE","detail":"AGPL-3.0 from 2018-01-28"}],"observed":{"since":"2018-01-28","latest":"AGPL-3.0","weaker":true,"narrowed_at":"2018-01-28","narrowed_days":3152,"licence_versions":2,"source_available":false,"narrowed_recently":false,"unreleased_changes":0},"dimension":"05","rationale":"The root licence changed 1 time(s). The latest terms restrict what users, hosts or a buyer may do in ways the earlier ones did not. Code taken under the old terms stays under them, so both matter in diligence.","context_why":"A note that does not affect this rating: a licence change is a fact for the first screen, and only a narrowing of rights within two years of the surveyed commit costs \"strong\"."},{"id":"05.65","band":"adequate","layer":"deterministic","title":"2 advisories against this project in the last 24 months, 1 high or critical","signal":"advisory_record","weight":"corroborating","context":true,"evidence":[{"ref":"CVE-2026-58447","kind":"advisory","detail":"2026-06-30: CVE-2026-58447 (high): Invidious through 2.20260626.0, fixed in commit 77ad416, contains a broken object level authorization vulnerability that allows authenticated attackers to delet"},{"ref":"CVE-2026-57946","kind":"advisory","detail":"2026-06-29: CVE-2026-57946 (moderate): Invidious before version 2.20260626.0 contains a broken access control vulnerability that allows unauthenticated attackers to retrieve private playlist contents"}],"observed":{"newest":"2026-06-30","critical":0,"affecting":0,"could_not_tell":0,"last_24_months":2,"sources_failed":[],"known_exploited":0,"high_or_critical":1},"dimension":"05","rationale":"The newest was published on 2026-06-30. A project that publishes advisories is telling its users about its fixes, and the count and pace say how much security work it carries. None of them affects the surveyed version.","context_why":"A note that does not affect this rating: it describes the project's advisory record, and no advisory in it is known to affect the surveyed commit."}],"signals_run":34,"conclusive_signals":22,"what_a_person_adds":[{"id":"05.38","kind":"H+","where":"The provider's console and audit log","measured":"05.5 found credential-shaped strings in this repository.","question":"Was each one revoked at the provider? 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