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A log written by someone explaining their reasoning to a future reader does not look like this. The log is therefore weak evidence of intent, whatever the code is like.","context_why":"A note that does not affect this rating: in Borehole's calibration, this check's notes were usually true but overstated."},{"id":"01.6","band":"adequate","layer":"deterministic","title":"iOS/DoraemonKit/Src/Core/Plugin/UI/Hierarchy/Function/Category/NSObject+DoraemonHierarchy.m is 2,528 lines, 48× this codebase's median file","signal":"oversized_modules","weight":"corroborating","context":true,"evidence":[{"ref":"line-count","kind":"path","path":"iOS/DoraemonKit/Src/Core/Plugin/UI/Hierarchy/Function/Category/NSObject+DoraemonHierarchy.m","detail":"2,528 lines (48× median)","line_end":2528,"line_start":1},{"ref":"line-count","kind":"path","path":"Android/dokit-util/src/main/java/com/didichuxing/doraemonkit/util/ImageUtils.java","detail":"2,375 lines (45× median)","line_end":2375,"line_start":1},{"ref":"line-count","kind":"path","path":"Android/dokit-util/src/main/java/com/didichuxing/doraemonkit/util/ActivityUtils.java","detail":"2,145 lines (41× median)","line_end":2145,"line_start":1},{"ref":"line-count","kind":"path","path":"Android/dokit-util/src/main/java/com/didichuxing/doraemonkit/util/ArrayUtils.java","detail":"2,145 lines (41× median)","line_end":2145,"line_start":1},{"ref":"line-count","kind":"path","path":"Android/dokit-util/src/main/java/com/didichuxing/doraemonkit/util/FragmentUtils.java","detail":"1,882 lines (36× median)","line_end":1882,"line_start":1}],"observed":{"largest":2528,"library":{"n":382,"share":52,"value":48.6,"cutoff":138.63,"material":false,"percentile":85},"threshold":1000,"files_over":17,"median_lines":52},"dimension":"01","rationale":"The median source file here is 52 lines. 17 files exceed 1,000 lines, the largest being 2,528. 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."},{"id":"01.33","band":"adequate","layer":"deterministic","title":"A move from Java to Kotlin began 64 months ago and is 38% done","signal":"unfinished_migration","weight":"corroborating","context":true,"evidence":[{"ref":"file counts","kind":"metric","detail":"715 old, 430 new"}],"observed":{"migration":"Java to Kotlin","new_files":430,"old_files":715,"new_share_now":0.254,"months_since_start":64,"new_share_at_start":0.047,"new_share_a_year_ago":0.254},"dimension":"01","rationale":"430 product files are in the new language and 715 are still in the old one, 64 months after the first new file appeared. The new language's share of the lines rose from 5% to 25%, and moved 0 percentage points in the last year. Two languages for one job doubles what an engineer has to know, and the unmoved half is usually what nobody wants to touch. Ask whether finishing it is planned, and what it costs.","context_why":"A note that does not affect this rating: in Borehole's calibration, this check's notes were usually true but overstated."}],"signals_run":11,"conclusive_signals":9,"what_a_person_adds":[{"id":"01.38","kind":"H+","where":"The team","measured":"No architecture or design document is in the tree, across 3,295 product files.","question":"Where does the design live, and who holds it?"},{"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":"157 test files / 2,274 source files"}],"observed":{"tests":157,"source":2274,"test_ratio":0.069},"dimension":"02","rationale":"157 test files against 2,274 source files (6.9%). 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."},{"id":"02.6","band":"adequate","layer":"deterministic","title":"Almost no process scaffolding exists in the repository","signal":"branch_protection_hints","weight":"corroborating","context":true,"evidence":[{"ref":"process-scaffolding","kind":"metric","detail":"1 of 5 markers present across 3,661 tracked files"}],"observed":{},"dimension":"02","rationale":"Of five ordinary markers — CI workflows, CODEOWNERS, a pull-request template, pre-commit hooks, contribution guidance — 1 is present: contribution guidance. Branch protection itself is a GitHub setting rather than a file, so this is a reading of proxies and not of the rules themselves. What it does establish is that the process is not written down anywhere a new engineer would find it.","context_why":"A note that does not affect this rating: in Borehole's calibration, this check's notes were usually true but overstated."}],"signals_run":16,"conclusive_signals":10,"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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Commit times cannot say: git keeps no reliable local time."},{"id":"03.32","kind":"H","where":"Interviews","question":"Does the team want to stay after close?"},{"id":"03.33","kind":"H","where":"Time with the team","question":"How are decisions made and disagreements resolved?"}]},{"id":"04","band":"strong","name":"Product & Engineering Maturity","coverage":"minimal","findings":[],"signals_run":19,"conclusive_signals":12,"what_a_person_adds":[{"id":"04.32","kind":"H","where":"The data room and the team's record of estimates","question":"Can this team deliver the stated roadmap on the stated timeline?"},{"id":"04.31","kind":"H","where":"Budget and roadmap decisions","question":"Does leadership know about the debt, and is time budgeted to repay it?"},{"id":"04.33","kind":"H","where":"Revenue, customer and churn data","question":"Is the engineering shape consistent with the commercial story?"}]},{"id":"05","band":"adequate","name":"Security & Reliability Posture","coverage":"partial","findings":[{"id":"05.2","band":"adequate","layer":"deterministic","title":"None of the standard security guard rails are configured","signal":"security_guardrails","weight":"corroborating","evidence":[{"ref":"guardrail-scan","kind":"metric","detail":"checked 5 kinds of guard rail across 3,661 tracked files; 0 present"}],"observed":{},"dimension":"05","rationale":"There is no disclosure policy, no automated dependency updates, no named code owners and no pre-commit configuration. None of these is load-bearing on its own. Their collective absence says that security posture here is whatever the current team happens to remember to do, which is not a posture that survives the team changing."},{"id":"05.22","band":"adequate","layer":"deterministic","title":"3 deserialisers that can run code","signal":"unsafe_deserialization","weight":"corroborating","context":true,"evidence":[{"ref":"Android/dokit-leakcanary/src/main/java/com/squareup/leakcanary/AnalyzedHeap.java","kind":"path","path":"Android/dokit-leakcanary/src/main/java/com/squareup/leakcanary/AnalyzedHeap.java","detail":"code-executing deserialiser","line_end":45,"line_start":45},{"ref":"Android/dokit-util/src/main/java/com/didichuxing/doraemonkit/util/ConvertUtils.java","kind":"path","path":"Android/dokit-util/src/main/java/com/didichuxing/doraemonkit/util/ConvertUtils.java","detail":"code-executing deserialiser","line_end":327,"line_start":327},{"ref":"Android/dokit/src/main/java/com/didichuxing/doraemonkit/util/DoKitCacheUtils.java","kind":"path","path":"Android/dokit/src/main/java/com/didichuxing/doraemonkit/util/DoKitCacheUtils.java","detail":"code-executing deserialiser","line_end":76,"line_start":76}],"observed":{"sites":3},"dimension":"05","rationale":"3 places read data with a deserialiser that executes what it reads (Java object streams). That is safe on data the system wrote itself and remote code execution on anything else. Ask where each one's input comes from.","context_why":"A note that does not affect this rating: in Borehole's calibration, this check's notes were usually true but overstated."},{"id":"05.48","band":"adequate","layer":"deterministic","title":"6 places insert HTML from a variable without sanitising it","signal":"unsafe_html","weight":"corroborating","context":true,"evidence":[{"ref":"Android/dokit/src/main/assets/h5help/dokit.js","kind":"path","path":"Android/dokit/src/main/assets/h5help/dokit.js","detail":"HTML from a variable","line_end":1,"line_start":1},{"ref":"Web/packages/web/src/plugins/console/log-detail.vue","kind":"path","path":"Web/packages/web/src/plugins/console/log-detail.vue","detail":"HTML from a variable","line_end":6,"line_start":6},{"ref":"Web/packages/web/src/plugins/console/log-item.vue","kind":"path","path":"Web/packages/web/src/plugins/console/log-item.vue","detail":"HTML from a variable","line_end":3,"line_start":3}],"observed":{"sites":6},"dimension":"05","rationale":"6 places set HTML from a value that is neither a literal nor passed through a sanitiser. Where the value can come from a user, that is stored cross-site scripting, and it is the first thing a buyer's security review looks for in a frontend.","context_why":"A note that does not affect this rating: in Borehole's calibration, this check's notes were usually true but overstated."},{"id":"05.51","band":"adequate","layer":"deterministic","title":"The app allows plain HTTP to any server","signal":"cleartext_traffic","weight":"corroborating","evidence":[{"ref":"iOS/DoraemonKitDemo/DoraemonKitDemo/Info.plist","kind":"path","path":"iOS/DoraemonKitDemo/DoraemonKitDemo/Info.plist","detail":"cleartext allowed app-wide","line_end":31,"line_start":31}],"observed":{"sites":1},"dimension":"05","rationale":"The app's manifest allows unencrypted HTTP app-wide (NSAllowsArbitraryLoads, or cleartext traffic permitted), rather than for named domains. Anything sent over plain HTTP can be read on the network, and enterprise security reviews ask about it. Some apps need it by nature (a podcast or feed reader fetches whatever URL a feed gives), so ask which case this is."},{"id":"05.64","band":"adequate","layer":"deterministic","title":"1 compiled library committed to the tree: OpenSSL","signal":"committed_native_libraries","weight":"corroborating","evidence":[{"ref":"Android/app/libs/arm64-v8a/libcrypto.so","kind":"path","path":"Android/app/libs/arm64-v8a/libcrypto.so","detail":"committed binary"}],"observed":{"libraries":5,"recognised":["OpenSSL"]},"dimension":"05","rationale":"The product commits built copies of OpenSSL. They ship with it as vendored components, but no lockfile names their versions, so their published vulnerabilities were not checked. 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Does your engineering organisation already run Java in production, or would this be the first?"},{"id":"07.10","kind":"H+","question":"The bulk of this system sits in Android/, Web/, iOS/. Which of your existing systems would each of those have to absorb or replace?"},{"id":"07.2","kind":"H+","question":"Nothing in the repository says how this is deployed. Is it shipped as a library, a binary or a service, and if it runs somewhere, who owns that environment?"},{"id":null,"kind":"H+","question":"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?"},{"id":"07.11","kind":"H","where":"Your architecture","question":"Which of these systems duplicate yours, and which get retired?"},{"id":"07.12","kind":"H","where":"The engagement","question":"What will integration cost, and in what order?"},{"id":"07.13","kind":"H","where":"Your org design","question":"Where does the team land in your organisation, and who reports to whom?"},{"id":"07.14","kind":"H","where":"Deal terms","question":"Are there earn-outs, retention packages or contractor IP to assign?"},{"id":"07.15","kind":"H","where":"Customer contracts","question":"Do customer contracts limit hosting, regions or vendors?"}],"not_assessable_reason":"structurally not assessable 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