{"note":"Deterministic layer only. No model calls were made and no source content left this machine.","layer":"deterministic","coverage":{"statement":"A repository answers roughly three and a half of seven dimensions. The rest are reported as not assessable, with the questions a human would ask instead.","total_dimensions":7,"assessable_dimensions":6},"degraded":"apache/superset is about 1,139 MB, over the 500 MB free-tier limit, so only the most recent 5,000 commits were read. Signals needing full history are reported as inconclusive rather than clean. Full depth is available on the Report tier.","dimensions":[{"id":"01","band":"adequate","name":"Architecture & Codebase — including AI provenance","coverage":"full","findings":[{"id":"01.6","band":"adequate","layer":"deterministic","title":"tests/unit_tests/sql/parse_tests.py is 6,683 lines, 63× this codebase's median file","signal":"oversized_modules","evidence":[{"ref":"line-count","kind":"path","path":"tests/unit_tests/sql/parse_tests.py","detail":"6,683 lines (63× median)","line_end":6683,"line_start":1},{"ref":"line-count","kind":"path","path":"superset/security/manager.py","detail":"6,362 lines (60× median)","line_end":6362,"line_start":1},{"ref":"line-count","kind":"path","path":"tests/integration_tests/dashboards/api_tests.py","detail":"6,020 lines (57× median)","line_end":6020,"line_start":1},{"ref":"line-count","kind":"path","path":"tests/unit_tests/commands/report/execute_test.py","detail":"5,902 lines (56× median)","line_end":5902,"line_start":1},{"ref":"line-count","kind":"path","path":"superset/models/helpers.py","detail":"5,802 lines (55× median)","line_end":5802,"line_start":1}],"observed":{"largest":6683,"threshold":1050,"files_over":201,"median_lines":105},"dimension":"01","rationale":"The median source file here is 105 lines. 201 files exceed 1,050 lines, the largest being 6,683. 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."}],"signals_run":6,"conclusive_signals":5},{"id":"02","band":"strong","name":"Engineering Process & SDLC Maturity","coverage":"high","findings":[],"signals_run":7,"conclusive_signals":7,"what_a_repository_cannot_tell_you":["Incident response practice is not visible in a repository."]},{"id":"03","band":"strong","name":"Organizational Health","coverage":"partial","findings":[],"signals_run":5,"conclusive_signals":4,"what_a_repository_cannot_tell_you":["Hiring pipeline, bench depth and retention are not visible in a repository.","Whether the dominant contributor is part of the transaction.","Seniority, levelling and who actually mentors whom.","Whether the team wants to stay after the deal closes."]},{"id":"04","band":"adequate","name":"Product & Engineering Maturity","coverage":"minimal","findings":[{"id":"04.3","band":"adequate","layer":"deterministic","title":"142 direct dependencies in a single manifest","signal":"dependency_sprawl","evidence":[{"ref":"direct-dependencies","kind":"path","path":"superset-frontend/package.json","detail":"142 declared"},{"ref":"direct-dependencies","kind":"path","path":"superset-frontend/packages/superset-ui-core/package.json","detail":"45 declared"},{"ref":"direct-dependencies","kind":"path","path":"docs/package.json","detail":"39 declared"},{"ref":"direct-dependencies","kind":"path","path":"superset-frontend/plugins/preset-chart-deckgl/package.json","detail":"30 declared"}],"observed":{},"dimension":"04","rationale":"superset-frontend/package.json declares 142 direct dependencies. Each one is a maintenance obligation, a supply-chain surface and a potential licence question that transfers with the asset. The count says nothing about whether any given dependency was a good choice; it says how many such choices a buyer inherits."}],"signals_run":5,"conclusive_signals":5,"what_a_repository_cannot_tell_you":["Roadmap credibility requires the data room.","Whether technical debt is acknowledged and funded."]},{"id":"05","band":"adequate","name":"Security & Reliability Posture","coverage":"partial","findings":[{"id":"05.6","band":"adequate","layer":"deterministic","title":"1 Dockerfile(s) run the application as root","signal":"container_runs_as_root","evidence":[{"ref":"no-USER-instruction","kind":"path","path":".devcontainer/Dockerfile","detail":"runs as root"}],"observed":{"rootful":1,"dockerfiles":3},"dimension":"05","rationale":"No USER instruction switches away from root, so the process runs with full privileges inside the container. It is a one-line fix and an ordinary expectation, which is why its absence is worth asking about: it usually says more about whether anyone has reviewed the deployment than about this container specifically."},{"id":"05.9","band":"adequate","layer":"deterministic","title":"2 vendored components with no licence","signal":"license_vendored_unlicensed","evidence":[{"ref":"superset-frontend/plugins/plugin-chart-calendar/src/vendor/cal-heatmap.ts","kind":"path","path":"superset-frontend/plugins/plugin-chart-calendar/src/vendor/cal-heatmap.ts","detail":"1 tracked files, no licence file"},{"ref":"superset-frontend/plugins/plugin-chart-parallel-coordinates/src/vendor/parcoords","kind":"path","path":"superset-frontend/plugins/plugin-chart-parallel-coordinates/src/vendor/parcoords","detail":"2 tracked files, no licence file"}],"observed":{"unlicensed":["superset-frontend/plugins/plugin-chart-calendar/src/vendor/cal-heatmap.ts","superset-frontend/plugins/plugin-chart-parallel-coordinates/src/vendor/parcoords"],"total_components":2},"dimension":"05","rationale":"Third-party code is committed into this repository without any statement of the terms it arrived under. Unknown terms are harder to deal with than inconvenient ones: an awkward licence can be complied with, an absent one cannot. Each of these needs its origin established before the code changes hands."}],"signals_run":10,"conclusive_signals":9,"what_a_repository_cannot_tell_you":["Incident history and failure-mode analysis are not in the repository."]},{"id":"06","band":"strong","name":"Observability & Operations","coverage":"partial","findings":[],"signals_run":3,"conclusive_signals":3,"what_a_repository_cannot_tell_you":["Whether anyone watches the telemetry that exists."]},{"id":"07","band":"not assessable","name":"Fit with the Acquirer","coverage":"none","findings":[],"signals_run":0,"conclusive_signals":0,"not_assessable_reason":"structurally not assessable from a repository","what_a_repository_cannot_tell_you":["This is a Python and TypeScript codebase. Does your engineering organisation already run Python and TypeScript in production, or would this be the first?","423 people have committed here. Which of them are you acquiring, and which are you replacing?","The bulk of this system sits in superset/, superset-frontend/, tests/. Which of your existing systems would each of those have to absorb or replace?","78% of added lines came through AI-declared commits. Does your organisation have a policy on inheriting and maintaining that code, and does your engineering team's tooling match how it was produced?","This deploys as a container or managed service. Does that match your deployment and on-call model, or does it need rehosting first?","What is your tolerance for the findings above remaining unaddressed for the first two quarters after close, given everything else that will compete for this team's time?"]}],"repository":{"loc":1763456,"head":"c14ac29f4778ba8e27b3cdb5832c37dfba8d4bdb","slug":"apache/superset","tags":25,"stars":74894,"span_days":292.4,"last_commit":"2026-09-23T06:25:30+00:00","commits_read":5000,"first_commit":"2025-12-04T20:31:21+00:00","truncated_at":50000,"tracked_files":10997},"generated_at":"2026-09-23T09:56:34.241644+00:00","generated_by":"borehole 0.1.0.dev0","rejection_log":[{"reason":"change is spread across the codebase rather than pooling in a few files","signal":"hotspot_concentration","observed":{"files":13167,"top5_share":0.068},"dimension":"04","conclusive":true},{"reason":"debt markers are sparse","signal":"debt_markers","observed":{"markers":730,"per_kloc":0.42,"lines_read":1754726},"dimension":"04","conclusive":true},{"reason":"test effort kept pace with code written","signal":"test_growth","observed":{"late_test_per_code":0.402,"early_test_per_code":0.364},"dimension":"04","conclusive":true},{"reason":"rework is not rising against new work","signal":"churn_trend","observed":{"late_delete_per_insert":0.339,"early_delete_per_insert":0.118},"dimension":"04","conclusive":true},{"reason":"a telemetry or error-reporting library is referenced","signal":"telemetry_presence","observed":{"note":"presence only; whether anyone watches it is not visible here","sample":["CHANGELOG/2.0.0.md: statsd","CHANGELOG/2.1.0.md: statsd","CHANGELOG/3.0.0.md: statsd"],"matches":40},"dimension":"06","conclusive":true},{"reason":"a structured logging library is referenced","signal":"structured_logging","observed":{"sample":["CHANGELOG/2.1.0.md","CHANGELOG/3.0.0.md","CHANGELOG/3.1.0.md"],"matches":9},"dimension":"06","conclusive":true},{"reason":"a health or readiness check is defined","signal":"healthcheck_presence","observed":{"sample":[".github/workflows/bashlib.sh: /health",".github/workflows/docker.yml: /health","AGENTS.md: /health"]},"dimension":"06","conclusive":true},{"reason":"no single contributor dominates the history","signal":"contributor_concentration","observed":{"authors":423,"top_share":"a quarter or more","bus_factor":2},"dimension":"03","conclusive":true},{"reason":"history too short to distinguish active from historical contributors","signal":"active_contributors","observed":{"span_days":292.4},"dimension":"03","conclusive":false},{"reason":"every substantial directory has been touched by more than one person","signal":"knowledge_silos","observed":{"authors":423,"directories":15},"dimension":"03","conclusive":true},{"reason":"a healthy share of contributors committed more than once","signal":"drive_by_contributors","observed":{"share":0.686,"authors":423,"one_commit_authors":290},"dimension":"03","conclusive":true},{"reason":"the dominant contributor is still active","signal":"contributor_attrition","observed":{"authors":423,"top_share":"a quarter or more","top_contributor_last_committed":"within the last three months"},"dimension":"03","conclusive":true},{"reason":"a meaningful share of change arrives through a reviewable path","signal":"merge_discipline","observed":{"merges":0,"commits":5000,"reviewed_share":0.999,"squashed_with_pr_ref":4997},"dimension":"02","conclusive":true},{"reason":"CI configuration is present in the working tree","signal":"ci_presence","observed":{"count":55,"configs":[".github/workflows/asf-allowlist-check.yml",".github/workflows/bashlib.sh",".github/workflows/bump-python-package.yml",".github/workflows/caches.js",".github/workflows/check-db-migration-confict.yml"]},"dimension":"02","conclusive":true},{"reason":"tests are present in a normal proportion to source","signal":"test_presence","observed":{"tests":2629,"source":6905,"test_ratio":0.381},"dimension":"02","conclusive":true},{"reason":"tags are present","signal":"release_cadence","observed":{"tags":25,"sample":["superset-helm-chart-0.15.2","superset-helm-chart-0.15.3","superset-helm-chart-0.15.4","superset-helm-chart-0.15.5","superset-helm-chart-0.16.0"]},"dimension":"02","conclusive":true},{"reason":"commit subjects generally carry content","signal":"conventional_commits","observed":{"sampled":5000,"low_content_share":0.0},"dimension":"02","conclusive":true},{"reason":"process scaffolding is present in the repository","signal":"branch_protection_hints","observed":{"present":["CI workflows","CODEOWNERS","pre-commit hooks","contribution guidance"]},"dimension":"02","conclusive":true},{"reason":"CI invokes a test runner","signal":"ci_runs_tests","observed":{"sample":[".github/workflows/embedded-sdk-test.yml",".github/workflows/release.yml",".github/workflows/superset-extensions-cli.yml"],"configs":55,"with_tests":7},"dimension":"02","conclusive":true},{"reason":"commit subjects vary in wording and length","signal":"message_uniformity","observed":{"length_stdev":16.06,"repeat_share":0.0},"dimension":"01","conclusive":true},{"reason":"most files were revisited after they were first written","signal":"revision_depth","observed":{"files_seen":13167,"write_once_share":0.464},"dimension":"01","conclusive":true},{"reason":"little shipping code is repeated verbatim across files","signal":"duplicated_blocks","observed":{"share":0.0128,"product_files":5012,"distinct_blocks":590541,"duplicated_blocks":7566},"dimension":"01","conclusive":true},{"reason":"no credential-shaped strings outside test and fixture paths","signal":"committed_secrets","observed":{"note":"the working tree only; history is scanned at --deep","patterns":7,"files_read":8731,"fixture_matches_ignored":13},"dimension":"05","conclusive":true},{"reason":"at least one standard guard rail is configured","signal":"security_guardrails","observed":{"present":[".github/CODEOWNERS",".github/dependabot.yml",".pre-commit-config.yaml","SECURITY.md"]},"dimension":"05","conclusive":true},{"reason":"a lockfile is committed, so builds are reproducible","signal":"dependency_pinning","observed":{"lockfile":true},"dimension":"05","conclusive":true},{"reason":"a licence file is present","signal":"license_present","observed":{"found":true},"dimension":"05","conclusive":true},{"reason":"no credential-shaped string was ever added outside test and fixture paths","signal":"secrets_in_history","observed":{"patterns":7,"truncated":false,"added_lines":1403210,"commits_scanned":3960},"dimension":"05","conclusive":true},{"reason":"every licence found in vendored code is permissive or weak-copyleft","signal":"license_copyleft_inherited","observed":{"vendored_paths":3},"dimension":"05","conclusive":true},{"reason":"no packaging manifest states a licence","signal":"license_manifest_conflict","observed":{"manifests_checked":["package.json","pyproject.toml","Cargo.toml","composer.json"]},"dimension":"05","conclusive":false},{"reason":"the licence is recognisable as Apache-2.0","signal":"license_grant_unclear","observed":{"class":"permissive","license":"Apache-2.0"},"dimension":"05","conclusive":true},{"signal":"initial_dump","dimension":"01","reason":"not assessed: this check needs the whole history, and only the most recent 5,000 commits were read","observed":{},"conclusive":false}],"schema_version":"1","provenance_disclosure":{"agents":["Claude","Cursor","Devin","GitHub Copilot"],"excluded":"lockfiles, vendored and generated paths are excluded from both measurements so that code nobody wrote cannot move the share","measures":"share of lines added by commits declaring an AI agent as co-author, as a proportion of all lines ever added","confidence":"moderate","measurable":true,"ai_line_share":0.7834,"total_commits":5000,"affects_rating":false,"excluded_lines":324888,"ai_commit_share":0.3414,"confidence_basis":["75% of non-merge commits carry any trailer at all","no widespread author/committer date divergence","the declared share is neither decisive nor negligible, so the true figure is more sensitive to undeclared work"],"declared_commits":1707,"total_lines_added":3143897,"surviving_ai_lines":null,"surviving_measures":"share of lines still present in the working tree that originate in an AI-declared commit; null unless the scan was run with --deep","declared_lines_added":2462831,"surviving_line_share":null,"floor_not_measurement":"This is a lower bound. It counts what the repository declares. Undeclared AI authorship is invisible here, and a single rebase removes the trailers this rests on. Absence of a declaration is absence of disclosure, not absence of AI authorship.","surviving_total_lines":null},"band":"adequate","reliance":"An automated reading of a repository's code and its history up to one commit, with public advisory records. It may be wrong, it is not legal, financial, investment or security advice, and it does not replace diligence by a qualified person. It is provided for information: nobody may rely on it (Borehole's terms, section 3).","published_under_todays_rules":["Words about people are today's: bands rather than exact shares, dates or day counts, and what the history measured rather than why.","1 finding that needed more history than this survey read is no longer published.","1 finding from checks Borehole's calibration found wrong more often than right is no longer published."]}