Public report — FSharpx.Extras, published 23 Sep 2026. Concrete security findings (which rule fired, in which file, on which line; CVE IDs, secret matches, dependency versions) are REDACTED in this version; ask the repo owner for the full report.
Public
Codebase survey Measured under the Code Assurance Index · rubric rubric-2026.09.15 (frozen) · verify this survey Filed cd_584cd3eb87ec410ca3c0d850ab28eac4 Filed 25 September 2026, 05:09 UTC Public

Fsprojects/FSharpx.Extras

Measured 23 September 2026, 23:01 UTC

54% Adequate
CriticalWeakAdequateStrongExemplary

Small · 5,510 LoC · 3 projects · rebuild ~0.1 person-years · weakest lens: Maturity (45%)

Findings by grade

7 critical 41 serious 37 minor 39 could not be resolved — could be critical — see Limitations

This survey was produced by

Watchdog
Producer
Canine Development
Analyzer
Watchdog engine 1.0.0
Measured
23 September 2026, 23:01 UTC

A measurement, not a certificate. The Code Assurance Index does not certify, approve or guarantee this codebase; it records a reproducible number and the evidence it was computed from. The standard is authored by Canine Development, who also build Watchdog — its only implementation today. That is said here so the number is checked rather than believed.

Grounded in facts. Every number here is computed, not narrated — reproducible, tool-backed, and traceable to a line of code. How to trust this ▸

29/33dimensions tool-verifieddeterministic · confidence 1.0 · 4 LLM-assisted, advisory
51findings with an exact file:lineof 85 — the remainder are repo-wide signals (a dimension-level measurement, not a single line); open any file:line and verify
33/114dimensions across the health lenses5510 LoC · 3 projects — wide & deep
Chapters

Executive summary

The system holds an adequate overall standing of 54%, indicating a workable asset that carries real risk due to significant gaps in operational maturity. While the codebase is small and the rebuild cost is negligible at roughly €11,000, the business exposure stems not from complexity but from a lack of institutional knowledge. This fragility means that any change, however minor, risks introducing defects or delays because the team lacks the documented context to make safe decisions quickly.

The primary risk is knowledge decay. With a maturity score of 45%, the system suffers from dormant practices where no living documentation guides new engineers or even current maintainers. This creates a high dependency on tribal knowledge, increasing the cost of onboarding and the likelihood of regression errors. Without clear records of why architectural choices were made, future modifications become expensive experiments rather than predictable updates, directly threatening delivery speed and reliability.

Conversely, the system demonstrates genuine strength in security and code health. The security posture is robust at 96%, with no confirmed vulnerabilities or exposed secrets, ensuring that the business is not currently exposed to data breaches or compliance failures. The code itself is clean and maintainable, suggesting that when changes are made, they can be implemented efficiently without refactoring debt. This solid foundation provides a safe environment for improvement, provided the knowledge gaps are addressed.

To maximize leverage, the immediate focus must be on capturing significant decisions. Implementing a simple, dated record of key architectural choices will immediately reduce uncertainty and accelerate future development. This low-effort action addresses the core maturity deficit, transforming implicit knowledge into explicit, reusable assets. By prioritizing this documentation, the team can stabilize the system’s operational risk without incurring significant cost or disruption.

How the score is built — each lens's share of the headline Width is the lens's weight in the worst-heaviest fold (the weakest area pulls hardest); colour is that lens's own band. A lens fixes the score in proportion to its width.
Maturity 45% · 47% weightArchitecture 53% · 26% weightReadiness 66% · 14% weightCode Health 70% · 8% weightSecurity 96% · 4% weight

Raise Maturity 45 → 70 (the Healthy floor) ⇒ headline 54 → ~62.

Code composition — where the lines go
Tests 100%
New since the last scan (38+)

38 finding(s) are new versus the previous scan (2026-08-06) — surfaced by this scheduled scan itself, no pull request required.

  • D2 · Pluralizer.adjustCase (cognitive 35) src/FSharpx.Extras/Pluralizer.fs
  • D2 · TLog.OrElse (cognitive 26) src/FSharpx.Extras/Stm.fs
  • D3 · TooManyFunctions: Prelude src/FSharpx.Extras/Prelude.fs
  • D3 · TooManyFunctions: StringModule src/FSharpx.Extras/String.fs
  • D3 · TooManyFunctions: Choice src/FSharpx.Extras/ComputationExpressions/Choice.fs
  • D3 · TooManyMethods: FSharpOption src/FSharpx.Extras/CSharpCompat.fs
  • D3 · TooManyFunctions: Option src/FSharpx.Extras/ComputationExpressions/Option.fs
  • D3 · FileTooLong: FSharpx.Extras/Iteratee.fs src/FSharpx.Extras/Iteratee.fs
  • D3 · TooManyFunctions: Nullable src/FSharpx.Extras/ComputationExpressions/Nullable.fs
  • D3 · TooManyMethods: FSharpChoice src/FSharpx.Extras/CSharpCompat.fs
  • D3 · TooManyFunctions: Task src/FSharpx.Extras/ComputationExpressions/Task.fs
  • D3 · TooManyFunctions: Conneg src/FSharpx.Extras/Conneg.fs
  • D4 · Members sharing a duplicated core (6 members, 50+ identical tokens) src/FSharpx.Extras/ComputationExpressions/Async.fs
  • D4 · Duplicated block (28 lines × 2) src/FSharpx.Extras/ComputationExpressions/Validation.fs
  • D4 · Duplicated block (19–21 lines × 2) src/FSharpx.Extras/ComputationExpressions/Choice.fs
  • D4 · Duplicated block (13–16 lines × 2) src/FSharpx.Extras/ComputationExpressions/State.fs
  • D4 · Duplicated block (12–14 lines × 4) src/FSharpx.Extras/ComputationExpressions/Async.fs
  • D4 · Duplicated block (9–13 lines × 6) src/FSharpx.Extras/ComputationExpressions/Async.fs
  • D4 · Duplicated block (11 lines × 2) src/FSharpx.Extras/Pluralizer.fs
  • D4 · Duplicated block (7–10 lines × 5) src/FSharpx.Extras/ComputationExpressions/Continuation.fs
  • D4 · Duplicated block (10 lines × 2) src/FSharpx.Extras/ComputationExpressions/Choice.fs
  • D4 · Duplicated block (10 lines × 2) src/FSharpx.Text.StructuredFormat/StructuredFormat.fs
  • D4 · Duplicated block (9 lines × 2) src/FSharpx.Extras/ComputationExpressions/Validation.fs
  • D4 · Duplicated block (8 lines × 2) src/FSharpx.Extras/Iteratee.fs
  • D4 · Duplicated block (7 lines × 2) src/FSharpx.Extras/ComputationExpressions/Choice.fs
  • D4 · Duplicated block (5–6 lines × 5) src/FSharpx.Extras/ComputationExpressions/Async.fs
  • D4 · Duplicated block (5 lines × 2) src/FSharpx.Extras/ComputationExpressions/Validation.fs
  • D4 · Duplicated block (5 lines × 2) src/FSharpx.Text.StructuredFormat/StructuredFormat.fs
  • D4 · Duplicated block (11 lines × 2) src/FSharpx.Extras/ComputationExpressions/Reader.fs
  • D17 · FileScopedPragmaDisable tests/FSharpx.CSharpTests/AsyncTests.cs
  • D17 · CommentedOutCode tests/FSharpx.CSharpTests/ValidationTests.cs
  • D17 · WriteOnlyPrivateField tests/FSharpx.CSharpTests/ValidationTests.cs
  • D28 · REDACTED
  • D28 · REDACTED
  • D29 · REDACTED
  • D29 · REDACTED
  • D29 · REDACTED
  • D36 · REDACTED

A full-fidelity diff against the previous run's complete recorded findings — line-move tolerant: a finding that only shifted line counts as unchanged, only genuinely new titles/files surface here.

Rebuild cost & value ~ Modeled — €3,600–€18,000
Cost to rebuild€3,600–€18,000 (0.1 person-years (60–189 h), ~1 engineer)
Domain complexityStandard — harder problems cost more per line
Quality factor0.8× (at 54% quality) — the last 20% of quality is most of the work
Size & shapeSmall · effort split not classified (source measured from disk; the effort-tier breakdown is a C#-only syntax walk)

This codebase represents roughly ~0.1 person-years of build effort (about ~€11,000 to rebuild). Its weakest lens is Maturity at 45% — the part of that asset most exposed by the findings below.

How we model this: boilerplate at a scaffolding rate + logic × domain Standard (×1.0) — standard service × a 0.8× quality factor, at €60–95/h; indicative, ±~30% · size measured directly from source · effort from total production LoC as straight-line logic (the tier split is a C#-only syntax walk), a conservative lower bound. Indicative only — most sensitive to the hourly rate and the domain tier (both tunable in config).

Top priorities

The highest-leverage moves; the full ranked list is in the Roadmap below.

1
Resolve the 2 Most significant orphaned file finding(s) in Knowledge Freshness — start with StructuredFormat.fs, Iteratee.fs.
+8.5 pts · Low effort · Knowledge Freshness
2
Resolve the 2 Documentation finding(s) in Documentation Quality — start with README.md (2).
+7.6 pts · Low effort · Documentation Quality
3
Resolve the 2 misleading comment finding(s) in Comment Value — start with AsyncTests.cs, ValidationExample.cs.
+6.6 pts · Low effort · Comment Value

Diagnosis — what's actually going on

Value concentrated against a weak lens · REDACTED · Value at risk
This is a Small asset (~0.1 person-years to rebuild), and its weakest lens is Maturity at 45%. The operational and business risk on an asset this size concentrates there — that's where remediation buys the most protection.
Evidence: valuation: Small, ~0.1 person-years rebuild (5,510 LoC) · weakest lens: Maturity 45%
→ Direct remediation budget at Maturity first — highest risk-reduction per euro on an asset this size.
Highest-leverage move · Medium · Leverage
Of everything flagged, the best return on effort is: Record significant decisions one document per decision — dated, stating the context, the decision and its consequences — and keep them together wherever your design docs already live (a conventional `docs/adr/` tree, with each file named `NNNN-title` in whatever markup those docs already use, is the most discoverable form). The rest can wait behind it.
Evidence: priority ranking: top of 5 ranked by impact/effort
→ Record significant decisions one document per decision — dated, stating the context, the decision and its consequences — and keep them together wherever your design docs already live (a conventional `docs/adr/` tree, with each file named `NNNN-title` in whatever markup those docs already use, is the most discoverable form).

Architecture — module dependency matrix

Rows and columns are the same modules, ordered so that a module only depends on ones above it. A cell means the row depends on the column, and its number is how many type pairs create that dependency. Read one thing: is anything above the diagonal? A mark there is a dependency cycle. (A cycle is all this shows — an unusual but cycle-free dependency sits below the diagonal like any other.)

101 modules, 40 dependencies. Every dependency points down the layering — no cycles.

Showing the 40 most-connected modules; 61 more are not drawn.

Module dependency matrix. The row depends on the column; the number is how many type pairs create the dependency. A cell above the diagonal is part of a dependency cycle.
depends on →1 FSharpx2 FSharpx.Choice3 FSharpx.Functional4 FSharpx.Result5 FSharpx.State6 FSharpx.Stm.Core7 FSharpx.Tests.ResultTests.TestsFromChessie8 FSharpx.Tests.ValidationExample9 FSharpx.Tests.ValidationResultExample10 Microsoft.FSharp.Text.StructuredFormat11 FSharpx.Collections.ByteString12 FSharpx.Collections.List13 FSharpx.Collections.Map14 FSharpx.Collections.Seq15 FSharpx.Collections.Set16 FSharpx.Functional.IterateeModule17 FSharpx.Functional.IterateeModule.ListModule18 FSharpx.Functional.LensModule19 FSharpx.Functional.LensModule.Operators20 FSharpx.Functional.LensModule.StateOperators21 FSharpx.LensTests22 FSharpx.Monoid23 FSharpx.Option24 FSharpx.Semigroup25 FSharpx.Stm.ArrayQueue26 FSharpx.Stm.ListQueue27 FSharpx.Tests.BinaryIterateeTest28 FSharpx.Tests.LensExample29 FSharpx.Tests.ListIterateeTest30 FSharpx.Tests.Properties31 FSharpx.Tests.ResultTests.TestsFromChessie.Club32 FSharpx.Tests.ValidationExample.Club33 FSharpx.Tests.ValidationExample.ClubTropicana34 FSharpx.Tests.ValidationExample.ClubbedToDeath35 FSharpx.Tests.ValidationExample.GayBar36 FSharpx.Tests.ValidationResultExample.Club37 FSharpx.Tests.ValidationResultExample.ClubTropicana38 FSharpx.Tests.ValidationResultExample.ClubbedToDeath39 FSharpx.Tests.ValidationResultExample.GayBar40 FSharpx.Functional.IterateeModule.BinaryModule
1 FSharpx
2 FSharpx.Choice
3 FSharpx.Functional
4 FSharpx.Result
5 FSharpx.State
6 FSharpx.Stm.Core
7 FSharpx.Tests.ResultTests.TestsFromChessie
8 FSharpx.Tests.ValidationExample
9 FSharpx.Tests.ValidationResultExample
10 Microsoft.FSharp.Text.StructuredFormat
11 FSharpx.Collections.ByteString1
12 FSharpx.Collections.List1
13 FSharpx.Collections.Map1
14 FSharpx.Collections.Seq1
15 FSharpx.Collections.Set1
16 FSharpx.Functional.IterateeModule3
17 FSharpx.Functional.IterateeModule.ListModule1
18 FSharpx.Functional.LensModule1
19 FSharpx.Functional.LensModule.Operators1
20 FSharpx.Functional.LensModule.StateOperators1
21 FSharpx.LensTests6
22 FSharpx.Monoid1
23 FSharpx.Option2
24 FSharpx.Semigroup1
25 FSharpx.Stm.ArrayQueue1
26 FSharpx.Stm.ListQueue2
27 FSharpx.Tests.BinaryIterateeTest1
28 FSharpx.Tests.LensExample4
29 FSharpx.Tests.ListIterateeTest1
30 FSharpx.Tests.Properties1
31 FSharpx.Tests.ResultTests.TestsFromChessie.Club1
32 FSharpx.Tests.ValidationExample.Club1
33 FSharpx.Tests.ValidationExample.ClubTropicana1
34 FSharpx.Tests.ValidationExample.ClubbedToDeath11
35 FSharpx.Tests.ValidationExample.GayBar1
36 FSharpx.Tests.ValidationResultExample.Club1
37 FSharpx.Tests.ValidationResultExample.ClubTropicana1
38 FSharpx.Tests.ValidationResultExample.ClubbedToDeath11
39 FSharpx.Tests.ValidationResultExample.GayBar1
40 FSharpx.Functional.IterateeModule.BinaryModule11
Dependency, pointing down the layeringAbove the diagonal — part of a cycleThe module itself
FSharpxFSharpx.ChoiceFSharpx.FunctionalFSharpx.ResultFSharpx.StateFSharpx.Stm.Core…ests.TestsFromChessie…sts.ValidationExample…lidationResultExample…Text.StructuredFormat…ollections.ByteString…arpx.Collections.List…harpx.Collections.Map…harpx.Collections.Seq…harpx.Collections.Set…tional.IterateeModule…ateeModule.ListModule…Functional.LensModule….LensModule.Operators…Module.StateOperatorsFSharpx.LensTestsFSharpx.MonoidFSharpx.OptionFSharpx.SemigroupFSharpx.Stm.ArrayQueueFSharpx.Stm.ListQueue…ts.BinaryIterateeTest…rpx.Tests.LensExample…ests.ListIterateeTest…arpx.Tests.Properties…TestsFromChessie.Club…alidationExample.Club…Example.ClubTropicana…xample.ClubbedToDeath…idationExample.GayBar…ionResultExample.Club…Example.ClubTropicana…xample.ClubbedToDeath…nResultExample.GayBar…eeModule.BinaryModuleFSharpx1FSharpx.Choice2FSharpx.Functional3FSharpx.Result4FSharpx.State5FSharpx.Stm.Core6…ests.TestsFromChessie7…sts.ValidationExample8…lidationResultExample9…Text.StructuredFormat10…ollections.ByteString11…arpx.Collections.List12…harpx.Collections.Map13…harpx.Collections.Seq14…harpx.Collections.Set15…tional.IterateeModule16…ateeModule.ListModule17…Functional.LensModule18….LensModule.Operators19…Module.StateOperators20FSharpx.LensTests21FSharpx.Monoid22FSharpx.Option23FSharpx.Semigroup24FSharpx.Stm.ArrayQueue25FSharpx.Stm.ListQueue26…ts.BinaryIterateeTest27…rpx.Tests.LensExample28…ests.ListIterateeTest29…arpx.Tests.Properties30…TestsFromChessie.Club31…alidationExample.Club32…Example.ClubTropicana33…xample.ClubbedToDeath34…idationExample.GayBar35…ionResultExample.Club36…Example.ClubTropicana37…xample.ClubbedToDeath38…nResultExample.GayBar39…eeModule.BinaryModule40111113111161211214111111111111111+61 more modules (most-connected shown)

At a glance — Code Health · 70% · Adequate ·

At a glance — Architecture · 53% · Adequate · gated by AX10 ·

At a glance — Maturity · 45% · Weak · gated by D34, M2 ·

At a glance — Readiness · 66% · Adequate · gated by P3 ·

At a glance — Security · 96% · Exemplary ·

Security & Compliance — OWASP Top-10 mapping

Findings mapped to OWASP categories; the specific CVEs/secrets are in the Security dimension cards below and findings.md (redacted only on the public version of this report).

OWASP categoryFindingsSeverity
A02:2021 — Cryptographic Failures3REDACTED / Critical
A03:2021 — Injection3REDACTED / Critical

Roadmap

Begin by establishing a centralized architecture decision record to capture key design choices and their consequences, ensuring all documentation remains discoverable. Simultaneously, expand the project README to include a clear getting-started guide, architecture overview, and project map to improve onboarding. Finally, address specific quality gaps by resolving orphaned files, updating documentation accuracy, and correcting misleading comments in key test and validation files.

Ranked by impact ÷ effort. "Helps" is the estimated gain on the 0–100 health score.

Do thisHelpsEffortDimension
Resolve the 2 Most significant orphaned file finding(s) in Knowledge Freshness — start with StructuredFormat.fs, Iteratee.fs.+8.5 ptsLowKnowledge Freshness
Resolve the 2 Documentation finding(s) in Documentation Quality — start with README.md (2).+7.6 ptsLowDocumentation Quality
Resolve the 2 misleading comment finding(s) in Comment Value — start with AsyncTests.cs, ValidationExample.cs.+6.6 ptsLowComment Value
Resolve the 1 Dormant codebase finding(s) in Knowledge Freshness.+6.1 ptsLowKnowledge Freshness
Record significant decisions one document per decision — dated, stating the context, the decision and its consequences — and keep them together wherever your design docs already live (a conventional `docs/adr/` tree, with each file named `NNNN-title` in whatever markup those docs already use, is the most discoverable form).+10.1 ptsMediumArchitecture documentation
Expand the README with getting-started, architecture overview and a project map.+10.0 ptsMediumDocumentation (README)
Resolve the 1 FileScopedPragmaDisable finding(s) in Explicit Debt — start with AsyncTests.cs.+1.6 ptsLowExplicit Debt
Resolve the 1 WriteOnlyPrivateField finding(s) in Explicit Debt — start with ValidationTests.cs.+1.6 ptsLowExplicit Debt

File quality

Per-file score 0–10 — a quality signature. Of 28 files carrying findings, judged against the Production bar: 4% slop · 39% mixed · 57% near-clean.

FileScoreBandWorst signal
tests/FSharpx.CSharpTests/ValidationTests.cs2.7SlopExplicit Debt: WriteOnlyPrivateField
REDACTED5.1MixedStatic Analysis (SAST): REDACTED: REDACTED
tests/FSharpx.CSharpTests/AsyncTests.cs5.6MixedExplicit Debt: FileScopedPragmaDisable
src/FSharpx.Extras/ComputationExpressions/Choice.fs7.2MixedGod Classes: TooManyFunctions: Choice
src/FSharpx.Extras/ComputationExpressions/Async.fs7.2MixedCode Duplication: Members sharing a duplicated core (6 members, 50+ identical tokens)
REDACTED7.2MixedSecrets (history): REDACTED: REDACTED
REDACTED7.2MixedSecrets (history): REDACTED: REDACTED
src/FSharpx.Extras/ComputationExpressions/Validation.fs7.4MixedCode Duplication: Duplicated block (28 lines × 2)
src/FSharpx.Extras/Pluralizer.fs7.8MixedCognitive Complexity: Pluralizer.adjustCase (cognitive 35)
src/FSharpx.Extras/CSharpCompat.fs7.8MixedGod Classes: TooManyMethods: FSharpOption
src/FSharpx.Extras/Iteratee.fs7.8MixedGod Classes: FileTooLong: FSharpx.Extras/Iteratee.fs
src/FSharpx.Text.StructuredFormat/StructuredFormat.fs7.8MixedCode Duplication: Duplicated block (10 lines × 2)
tests/FSharpx.CSharpTests/FuncTests.cs8.2Near-cleanExplicit Debt: BarePragmaDisable
tests/FSharpx.CSharpTests/MapTests.cs8.2Near-cleanExplicit Debt: BarePragmaDisable
tests/FSharpx.CSharpTests/Person.cs8.2Near-cleanExplicit Debt: CommentedOutCode
src/FSharpx.Extras/Stm.fs8.5Near-cleanCognitive Complexity: TLog.OrElse (cognitive 26)
src/FSharpx.Extras/Prelude.fs8.5Near-cleanGod Classes: TooManyFunctions: Prelude
src/FSharpx.Extras/String.fs8.5Near-cleanGod Classes: TooManyFunctions: StringModule
src/FSharpx.Extras/ComputationExpressions/Option.fs8.5Near-cleanGod Classes: TooManyFunctions: Option
src/FSharpx.Extras/ComputationExpressions/Nullable.fs8.5Near-cleanGod Classes: TooManyFunctions: Nullable

How the grades work

Every finding carries one of four grades. Three say how serious it is. The fourth says this survey could not settle it — and it is a grade, not a gap.

Critical — 7

A definite problem that already costs you something and drags the score down: a missing authorisation check, a dependency with a known exploit, a build that does not reproduce. Failure here tends to cause failures elsewhere.

Serious — 41

Likely wrong, but not failing yet. It degrades the codebase over a longer horizon and can cause failures elsewhere — not urgent this week, not something to carry for two years either.

Minor — 37

Recorded, with no effect on how the codebase functions. Present so the survey is complete, not because it needs doing.

Could not be resolved — 39

Something this survey could not settle from the outside, and which could be critical or serious. Either a control was required and no positive evidence of it exists in the repository — a backup job that nothing shows was ever restored from proves nothing about restores — or our own analysis could not run over that part of the tree. This is not a clean result. These are excluded from the score rather than awarded a pass, so the number on the cover neither rewards nor penalises them: if you act on this survey without resolving them, you carry that risk yourself. Each one is named under Limitations.

Methodology & how to trust this report

Watchdog is a deep, periodic assessment — run each sprint, monthly, or quarterly, taking the time to go wider and deeper than a quick check and surfacing in one coherent report what you'd otherwise piece together from a dozen separate tools. It scores deterministically: the same commit yields the same score, every run. 29 of 33 evaluated dimensions are computed purely by tools and static analysis (confidence 1.0); 4 documentation/naming judgement(s) are LLM-assisted and labelled advisory. Overall confidence is 0.8 — the weighted average across measured dimensions; it falls as more of the score leans on LLM-assisted judgement and rises when it's fully tool-backed.

Every figure here is one of three kinds, and we label which: ✓ Measured — a deterministic fact (LoC, complexity, coverage); ~ Modeled — an estimate from a stated model (cost, effort, value-at-risk), always a range with its assumptions, never a precise fact; ◐ Advisory — an LLM prose judgement. We never present a modelled estimate as if it were measured. Perfect or absent scores carry their provenance too (ADR-0011): ✓ Tool-verified means the property itself was measured across the surface; ○ Nothing flagged means the probes came back clean — a claim bounded by what a repository can show; ⊘ Not evidenced means a working control (a tested restore, an automated rollback) showed no positive evidence — absence of evidence is not evidence of a control, so it's excluded from the score rather than awarded a spurious 10; ◐ Sampled · advisory marks an LLM verdict over a bounded sample — advisory, never a deterministic measurement.

What we checked — 33 dimensions across the health lenses
D1D2D3D4D5D9D10D12D13D15D17D19D21D24D26D27D28D29D30D34D35D43D44AX10AX3AX4M1M2M3M4P1P3P6

Each chip is a dimension scored from real signals across architecture, testing, dependencies, security & compliance, documentation, git-history and code quality — in one coherent pass. A surface report typically covers a handful.

How to trust any code-health report — three questions
  1. Can you open the finding? Real findings cite a repo-relative file and line you can open at the cited line — never an absolute scratch path. Here, 51 of 85 do; the remainder are repo-wide signals — a dimension-level measurement, not a single line. (Every path in this report is repo-relative by construction: paths are normalized at the producer and the report is rejected if any rooted path leaks through.)
  2. Is there a tool behind the number? Every score below names the method that produced it — Roslyn, git, a scanner, or (for a handful of documentation/naming dimensions) an LLM labelled sampled · advisory — not a narrative.
  3. Does re-running give the same result? Run it again on the same commit and the score — and this report, byte for byte — is identical. A report whose numbers move between runs is describing the run, not the code.

This report answers yes to all three. That's the bar to hold any assessment to.

Tools & methods

The actual versions used this run (captured at analysis time) — re-run on the same commit for the identical score.

MethodBacksVersionEvaluator
Roslyn static analysisComplexity, cohesion, coupling, dead code, API surface, layering5.3.0✓ deterministic
Native secret scannerHardcoded secrets / credentials1.0.0✓ deterministic
Watchdog duplication detector (in-process)Code duplication1.0.0✓ deterministic
Coverage (coverlet / dotnet-coverage)Line & branch coverage10.0.400✓ deterministic
NuGet / dotnetOutdated, vulnerable & deprecated dependencies10.0.400✓ deterministic
git / LibGit2SharpChurn hotspots, knowledge concentration, history2.43.0 · 0.31.0✓ deterministic
gitleaks · semgrep · trivySecrets in history, SAST, CVEs, IaC & container, PII / GDPR1.86.0 · 0.69.3✓ deterministic
LLM (sampled · advisory)Documentation quality, ADR conformance, naming — sampled over a bounded sample; advisory, never a deterministic measurementLocal LLM◐ LLM · sampled · advisory

Every finding is locatable in findings.md. Run 01a0d080-927f-71d9-9515-2bc4065cf962.

The exact command behind every deep-scan dimension — tool, version, invocation and retained raw output — is in Appendix B — Reproduction & audit trail.

Run transparency — what happened this run

What ran differently this time — a tool absent, degraded, or that fell back to an estimate. Named openly, not folded silently into the scores. A degraded run also records its exact cause in diagnostics.md.

  • D10 Test Quality — measured, with a gap in what it reached — Watchdog measured this, but not all of it. What it did not reach is a gap on our side — a collector, parser or image we have not built yet — so the numbers on that dimension cover less than the repository, and the part left out is not evidence that it would have passed. The 142 test(s) behind this row are the ones the C# collector could read, and this repository also carries at least 33 test source file(s) (.fs) that it cannot: it parses C# syntax and matches C# test attributes, so a vitest/jest/JUnit/pytest-style suite is invisible to it. Skipped tests, zero-assertion tests and the other quality signals on this row are UNMEASURED in that suite — their absence from the counts above is a gap in this analyzer's language coverage, not a finding that those tests are sound.
  • D11 Test Reliability — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. Test reliability not included — no test tier completed within its budget.
  • D14 License Compliance — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. Not scored — this repository's projects are MSBuild/NuGet projects, whose package licenses are exactly what this dimension reads, but no license could be resolved for them (the .NET license collector did not run, or restore failed). A gap in the analysis run, NOT a finding that the repository's licenses are compliant.
  • D16 Bus Factor — not measured this run — This is a true statement about the repository that carries nothing for its owner to act on, so it is reported here rather than as a defect in their code. All 24 significant source file(s) were last meaningfully changed so long ago that no living knowledge remains — nothing since has been substantial enough to re-establish ownership (a broad, mechanical sweep that touches many files shallowly does not count, and neither does no activity at all). There is no concentration to measure, so the bus factor is not scored. This is not a clean bill: nobody currently holds working knowledge of this code (see D34 Knowledge Freshness). Counted over 10 of the 32 production source files in this repository: 8 are under the ~2,400-byte size floor this dimension measures over, and the remaining 14 have no attributable history left to measure.
  • D17 Explicit Debt — measured, with a gap in what it reached — Watchdog measured this, but not all of it. What it did not reach is a gap on our side — a collector, parser or image we have not built yet — so the numbers on that dimension cover less than the repository, and the part left out is not evidence that it would have passed. The 7 deducted marker(s) and the 1.9/KLoC density on this row were taken over this repository's .NET projects ALONE: .fs (5,510 lines, 100% of production source) went unread, because every marker collector on this path is reached through a C# workspace. D17's marker collectors need a compiler we do not have for that language, so none of its nine marker kinds were read there. The debt in that source is UNMEASURED — its absence from the score above is a gap in this analyzer's language coverage, not a finding that the code carries none.
  • D22 Internal API Consistency — not measured this run — This is a true statement about the repository that carries nothing for its owner to act on, so it is reported here rather than as a defect in their code. The loaded project set declares no packable project and no `.Contracts` project, so there is no intentionally-exposed surface for API consistency to be judged over.
  • D39 IL Efficiency — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. IL NOT MEASURED: the analyzer's build of this repository exited 1 and the cause could not be attributed, so no assemblies were produced and there was no IL to read. We do not read it as a defect in the repository: an unattributed failure leans OURS. D18 owns the question of whether this repository builds; it was not answered here.
  • AX6 Interface segregation — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. This check is computed over the public interfaces this run's compilations declare, and none was loaded, so it had nothing to read. That is a gap in this analyzer's language reach — not a finding that the repository is free of what this check looks for.
  • C1 Data Protection — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. These personal data controls are read from declarative annotations, request middleware, entity/column names and guard methods in a C# source model, and none was loaded on this run, so there was nothing to gather. That is a gap in this analyzer's language reach — not a finding that the repository lacks personal data controls.
  • C2 Access Controls — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. These authorization controls are read from declarative annotations, request middleware, entity/column names and guard methods in a C# source model, and none was loaded on this run, so there was nothing to gather. That is a gap in this analyzer's language reach — not a finding that the repository lacks authorization controls.
  • C3 Audit Trail — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. These audit controls are read from declarative annotations, request middleware, entity/column names and guard methods in a C# source model, and none was loaded on this run, so there was nothing to gather. That is a gap in this analyzer's language reach — not a finding that the repository lacks audit controls.
  • C4 Data Retention — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. These retention controls are read from declarative annotations, request middleware, entity/column names and guard methods in a C# source model, and none was loaded on this run, so there was nothing to gather. That is a gap in this analyzer's language reach — not a finding that the repository lacks retention controls.
  • C5 Data-Subject Rights — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. These data-subject rights controls are read from declarative annotations, request middleware, entity/column names and guard methods in a C# source model, and none was loaded on this run, so there was nothing to gather. That is a gap in this analyzer's language reach — not a finding that the repository lacks data-subject rights controls.
  • ED5 Idempotency — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. This check finds retry-prone mutations by walking the repository's declared types, and NONE was loaded on this run, so it had nothing to look at. That is a limit of the analyzer's reach — it reads .NET projects — not a finding that this repository has no command handlers or message consumers.
  • GD1 Unfinished & placeholder code — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. This check is implemented over the C# syntax tree, and no C# was loaded on this run, so it had nothing to read. That is a gap in this analyzer's language reach — not a finding that the repository is free of what this check looks for.
  • P5 DR & Backup — not measured this run — This is a true statement about the repository that carries nothing for its owner to act on, so it is reported here rather than as a defect in their code. No backup/snapshot/replication config, RTO/RPO or restore-procedure documentation was found — and no production persistence was detected either (no data-access packages, no data-store services, no database resources), so there is nothing in this repository whose loss a DR control would recover. If this system's data lives in a platform or ops repo we can't see, that's where the DR evidence belongs.
  • S1 Web-Security Posture — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. These web-security controls are read from declarative annotations, request middleware, entity/column names and guard methods in a C# source model, and none was loaded on this run, so there was nothing to gather. That is a gap in this analyzer's language reach — not a finding that the repository lacks web-security controls.
  • X1 Async correctness — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. This check is implemented over the C# syntax tree, and no C# was loaded on this run, so it had nothing to read. That is a gap in this analyzer's language reach — not a finding that the repository is free of what this check looks for.
  • X12 Unreachable branch — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. This check is implemented over the C# syntax tree, and no C# was loaded on this run, so it had nothing to read. That is a gap in this analyzer's language reach — not a finding that the repository is free of what this check looks for.
  • X13 Undrained process stream — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. This check is implemented over the C# syntax tree, and no C# was loaded on this run, so it had nothing to read. That is a gap in this analyzer's language reach — not a finding that the repository is free of what this check looks for.
  • X14 Bypassable address classification — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. This check is implemented over the C# syntax tree, and no C# was loaded on this run, so it had nothing to read. That is a gap in this analyzer's language reach — not a finding that the repository is free of what this check looks for.
  • X15 Unvalidated length from an untrusted reader — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. This check is implemented over the C# syntax tree, and no C# was loaded on this run, so it had nothing to read. That is a gap in this analyzer's language reach — not a finding that the repository is free of what this check looks for.
  • X16 Unfloored truncation loop — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. This check is implemented over the C# syntax tree, and no C# was loaded on this run, so it had nothing to read. That is a gap in this analyzer's language reach — not a finding that the repository is free of what this check looks for.
  • X17 Uncapped recursion over a caller-supplied document — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. This check is implemented over the C# syntax tree, and no C# was loaded on this run, so it had nothing to read. That is a gap in this analyzer's language reach — not a finding that the repository is free of what this check looks for.
  • X18 Disposal-pattern correctness — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. This check is implemented over the C# syntax tree, and no C# was loaded on this run, so it had nothing to read. That is a gap in this analyzer's language reach — not a finding that the repository is free of what this check looks for.
  • X19 Unrestored process-global state — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. This check is implemented over the C# syntax tree, and no C# was loaded on this run, so it had nothing to read. That is a gap in this analyzer's language reach — not a finding that the repository is free of what this check looks for.
  • X2 Cancellation propagation — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. This check is implemented over the C# syntax tree, and no C# was loaded on this run, so it had nothing to read. That is a gap in this analyzer's language reach — not a finding that the repository is free of what this check looks for.
  • X20 Mistyped argument guard — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. This check is implemented over the C# syntax tree, and no C# was loaded on this run, so it had nothing to read. That is a gap in this analyzer's language reach — not a finding that the repository is free of what this check looks for.
  • X21 Side-effecting pattern guard — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. This check is implemented over the C# syntax tree, and no C# was loaded on this run, so it had nothing to read. That is a gap in this analyzer's language reach — not a finding that the repository is free of what this check looks for.
  • X22 Contradicted release guard — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. This check is implemented over the C# syntax tree, and no C# was loaded on this run, so it had nothing to read. That is a gap in this analyzer's language reach — not a finding that the repository is free of what this check looks for.
  • X23 Unguarded diagnostic materialisation — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. This check is implemented over the C# syntax tree, and no C# was loaded on this run, so it had nothing to read. That is a gap in this analyzer's language reach — not a finding that the repository is free of what this check looks for.
  • X24 Document value interpolated into markup unescaped — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. This check is implemented over the C# syntax tree, and no C# was loaded on this run, so it had nothing to read. That is a gap in this analyzer's language reach — not a finding that the repository is free of what this check looks for.
  • X25 Inert configuration knob — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. This check is implemented over the C# syntax tree, and no C# was loaded on this run, so it had nothing to read. That is a gap in this analyzer's language reach — not a finding that the repository is free of what this check looks for.
  • X26 Unsynchronised callback handoff — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. This check is implemented over the C# syntax tree, and no C# was loaded on this run, so it had nothing to read. That is a gap in this analyzer's language reach — not a finding that the repository is free of what this check looks for.
  • X27 Collection changed while being enumerated — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. This check is implemented over the C# syntax tree, and no C# was loaded on this run, so it had nothing to read. That is a gap in this analyzer's language reach — not a finding that the repository is free of what this check looks for.
  • X28 Index access outside its own emptiness guard — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. This check is implemented over the C# syntax tree, and no C# was loaded on this run, so it had nothing to read. That is a gap in this analyzer's language reach — not a finding that the repository is free of what this check looks for.
  • X29 Per-element action decided by a fixed element — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. This check is implemented over the C# syntax tree, and no C# was loaded on this run, so it had nothing to read. That is a gap in this analyzer's language reach — not a finding that the repository is free of what this check looks for.
  • X3 Exception handling — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. This check is implemented over the C# syntax tree, and no C# was loaded on this run, so it had nothing to read. That is a gap in this analyzer's language reach — not a finding that the repository is free of what this check looks for.
  • X30 Support guard that admits what it rejects — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. This check is implemented over the C# syntax tree, and no C# was loaded on this run, so it had nothing to read. That is a gap in this analyzer's language reach — not a finding that the repository is free of what this check looks for.
  • X32 Type resolved by simple name across every loaded assembly — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. This check is implemented over the C# syntax tree, and no C# was loaded on this run, so it had nothing to read. That is a gap in this analyzer's language reach — not a finding that the repository is free of what this check looks for.
  • X4 Structured logging — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. This check is implemented over the C# syntax tree, and no C# was loaded on this run, so it had nothing to read. That is a gap in this analyzer's language reach — not a finding that the repository is free of what this check looks for.
  • X5 Nullable reference types — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. This check is implemented over the C# syntax tree, and no C# was loaded on this run, so it had nothing to read. That is a gap in this analyzer's language reach — not a finding that the repository is free of what this check looks for.

Repo exclusion declarations (.gitattributes linguist-generated/vendored, .editorconfig generated_code): none declared — every source file was scored.

Limitations & what we did not check

Watchdog assesses the repository exactly as committed, and only the repository. By design it does not reach outside the source tree: the live cloud account, the running CI/CD pipeline, the host's branch-protection and approval rules, the production configuration, or a restore actually exercised against a backup are all out of scope. That boundary is a feature, not a gap — a repo-relative, deterministic scan re-runs identically on any commit and every finding opens at a real file and line, where a live audit can neither be reproduced nor traced. The visible consequence is that controls which leave no in-repo evidence are reported as "not evidenced" and excluded from the score rather than awarded a number a static scan cannot justify.

Per-dimension blind spots

For each dimension that was measured, what a static, repo-only scan structurally cannot see — the honest edge of the measurement, not a failure of it.

  • D1 Cyclomatic Complexity: Cyclomatic complexity counts branches statically — it cannot tell an essential decision tree from accidental tangle, nor see complexity that lives in data or configuration (large switch-case token tables, DSL lexers/parsers, data-as-code rule tables) rather than control flow: a tokenizer's many single-character cases read as high complexity though each branch is trivial.
  • D2 Cognitive Complexity: Cognitive-complexity heuristics approximate how hard code is to follow; genuine domain difficulty and well-named intent that eases reading are not captured.
  • D3 God Classes: "God class" is sized by members and responsibilities visible in the type — a deliberately broad facade over a coherent subsystem can read the same as an accidental grab-bag. For front-end JS the file-length check is cohesion-aware (a single-responsibility module — one class/IIFE — earns a 3× threshold), but cohesion is approximated from top-level declarations, not true dependency structure.
  • D4 Code Duplication: Duplication is token-similarity — an in-process token-stream comparison over sliding windows, with type-aware normalization — so it finds copy-paste, not semantic duplication expressed differently. Committed machine-written code (scaffolded migrations, designer/codegen output, protobuf/OpenAPI stubs, model snapshots) is EXCLUDED — its repetition is the tool's, not the team's — so the score reflects hand-written duplication only.
  • D5 Coupling: Coupling is measured between projects/assemblies — runtime coupling through DI, reflection, messaging or shared databases is invisible to a static reference graph.
  • D9 Test Distribution: The test-pyramid shape is inferred from project/folder naming and references, with a single test host bucketed per-file by its path tier and content signals — a suite that names tiers unconventionally and gives no per-file signal can still be mis-bucketed.
  • D10 Test Quality: Assertion density is structural — it cannot tell a meaningful behavioural assertion from a trivial one, only that an assertion is present.
  • D12 Dependency Hygiene: Dependency health reads manifests and lockfiles — a vulnerability in a vendored/copied dependency, or risk from how a dependency is actually used, is outside this view.
  • D13 REDACTED Scanning: REDACTED detection is signature- and entropy-based on the current tree — a secret that does not match a known pattern, or one already rotated, will not be flagged (a clean scan is "nothing matched", not "no secrets exist").
  • D15 Churn × Complexity Hotspots: Churn hotspots come from git history — a freshly imported or squashed repository has no churn signal, and recent rewrites can mask a historically risky file.
  • D17 Explicit Debt: Acknowledged-debt signals (TODO/FIXME, suppressions, dead code) are textual — undocumented debt that nobody marked, and debt that lives in design rather than annotations, is invisible. Committed machine-written code (scaffolded migrations, designer/codegen output, generated stubs) is excluded — it is never the team's dead code to delete.
  • D19 Documentation Quality: Documentation quality is judged by an LLM over a bounded sample of docs — it reads what is written, not whether the docs match the running system, and it is advisory, not a measurement. Its critique rows are drawn from a closed category vocabulary and each row means the same thing in every run, so two scans can be compared row by row; the SET that fires is still a sample, and does not repeat exactly. Measured on one frozen input, six scans at one engine SHA: 2-5 critique rows per scan, 8 distinct rows across the six, 3 of those 8 seen in only one scan. So a D19 row is evidence about the documentation, but a COUNT of D19 rows is not a quantity — never read a change in it as an improvement or a regression.
  • D21 Naming Consistency: Naming quality is an LLM judgement over a bounded sample — it assesses clarity/consistency of the names it sees, not domain-correctness, and is advisory.
  • D24 Comment Value: Comment value (WHY vs WHAT) is an LLM judgement over a bounded sample — it is advisory and cannot weigh a comment against the precise code change it was written to explain.
  • D26 Project Cohesion: Project focus is sized from members/namespaces per project — a project that is broad by deliberate design reads the same as one that has sprawled.
  • D27 Navigability: Indirection/navigability is structural — it measures hops to follow a call, not whether that indirection buys real flexibility or just ceremony.
  • D28 Secrets (history): Secret-history scanning sweeps the git log for known patterns — a secret that predates the available history, or never matched a signature, is not found (clean means "nothing matched in the history we can see").
  • D29 Static Analysis (SAST): SAST findings are pattern-based (semgrep) — it finds classes of bug it has rules for; logic flaws, auth/authorization gaps and issues needing runtime context are out of reach (and clean means "no rule matched").
  • D30 Dependency Vulnerabilities: CVE matching depends on accurate package/version metadata and on the advisory databases — a vulnerability with no published advisory, or in code not declared as a dependency, is not seen. Coverage needs a RESOLVED graph: an unpinned requirements.txt, or a pom without a resolved build, yields partial coverage rather than a clean verdict. An ecosystem the analyzer cannot scan is reported as unmeasured, never as clean.
  • D34 Knowledge Freshness: Freshness is decayed commit RECENCY, not comprehension — code read often but rarely committed reads as orphaned, and stable code that genuinely needs no changes is penalised the same as forgotten code; bot/squash commits distort it like the bus factor.
  • D35 Change Coupling: Change coupling is co-change in COMMITS — files split across separate commits, or coupled only through a shared config/build step, read as uncoupled, and a sweeping commit (rename/format) is excluded so it doesn't couple everything. It shows that files change together, not WHY: a high coupling can be a healthy cohesive pair as readily as a hidden leak.
  • D43 Malicious Dependencies: Only packages some vulnerability database has already NAMED as malicious are seen — a compromise published in the last hours, or never reported at all, is invisible here, and this dimension reading 10 is not evidence that a dependency is trustworthy. There is no typosquat or dependency-confusion analysis: a package nobody has reported is simply absent from the feeds. Coverage is the dependency scan's: an ecosystem that could not be scanned is disclosed as unmeasured, never as clean.
  • D44 Platform End-of-Life: The support table is FROZEN, so it goes out of date by losing RECALL: a release that ended support after the table was written is missed until the table is refreshed, and this dimension reading 10 is not evidence that a platform is current. Only platforms the repository DECLARES in a place this pass reads are seen — a runtime named only in a Dockerfile (D31's subject), in a CI workflow (D29's), or in a file this pass does not parse (go.mod, a Gemfile ruby directive) is invisible here, which is why a repository declaring none of them abstains rather than scoring. Only frameworks with a PUBLISHED support policy are tracked: React, Flask and Express publish none, so their age cannot be judged and their absence from a report is not a statement that they are supported.
  • AX10 Code composition: Role is inferred from namespace/folder convention, not semantics — a domain concept living in a folder named "Services" reads as application, and the split is lines-of-code, not business value. The business-logic-share score is a SOFT, FLOORED signal: it contributes to the Architecture lens but is floored at the Critical gate, so an infrastructure-heavy design (a gateway, an ETL, a driver) is legitimately low without being nuked to zero.
  • M4 Documentation accuracy: Onboarding quality is an LLM read of the docs/setup present — it cannot run the onboarding or measure how long a real new joiner takes; the verdict is sampled and advisory.
  • P6 Release Hygiene: Rollback/observability controls are inferred from repo artefacts (pipelines, dashboards-as-code) — controls configured in external tooling, with no in-repo trace, cannot be credited.

The LLM boundary

LLM-set scores this run (4): D19, D21, D24, M4 (model: Local LLM). For these, a model reads a bounded sample and sets the numeric score; each names its own sample and method on its card. They are sampled and advisory by design: they vary at the margins between runs and are never a deterministic measurement. Every other score in this report is tool-computed at confidence 1.0.

Dimensions

D1 · Cyclomatic Complexity10.0 / 10Exemplary✓ Tool-verified

What it measures: How tangled the control flow is — methods with many branches are hard to test and change.

Method: Cyclomatic complexity per method (1 + decision points), computed exhaustively across production source; test projects separated by convention. Deterministic.

Maturity: Documented → Verified → Prevented · effective 10.0 / 10 · rule-coverage 100% · ceiling Prevented

0 method(s) exceeded the cyclomatic complexity threshold of 15.

✓ On the Gold path — maintain.

Detailed fixes: d1_recommendation.md.

D2 · Cognitive Complexity8.9 / 10Strong✓ Tool-verified

What it measures: How hard the code is for a person to follow, beyond raw branching.

Method: Cognitive complexity per method (Sonar-style nesting-penalized score), computed exhaustively over production code, excluding test projects. Deterministic.

Maturity: Documented → Verified → Prevented · effective 8.9 / 10 · rule-coverage 100% · ceiling Prevented

2 method(s) exceeded the cognitive complexity threshold of 15; the worst was Pluralizer.adjustCase at 35.

Pluralizer.adjustCase (cognitive 35)src/FSharpx.Extras/Pluralizer.fs:176
TLog.OrElse (cognitive 26)src/FSharpx.Extras/Stm.fs:198

What to do

  1. Resolve the 1 Pluralizer.adjustCase (cognitive 35) finding(s) in Cognitive Complexity — start with Pluralizer.fs. — One of this dimension's main actionable groups (1 warning-level).
  2. Resolve the 1 TLog.OrElse (cognitive 26) finding(s) in Cognitive Complexity — start with Stm.fs. — One of this dimension's main actionable groups (1 warning-level).
  3. Enforce Cognitive Complexity in CI to reach Verified (currently Documented). — Hardens enforcement from Documented toward Prevented — provenance only; does not change the score.

Detailed fixes: d2_recommendation.md · top locations in Appendix A, every location in findings.md.

D3 · God Classes4.0 / 10Weak✓ Tool-verified

What it measures: Over-large classes that try to do too much ("god classes").

Method: God-class detection by line and method-count thresholds per logical type (partial classes unified), filtered for generated code and registration/contract false positives. Deterministic.

Maturity: Documented → Verified → Prevented · effective 4.0 / 10 · rule-coverage 100% · ceiling Prevented

10 god class(es) detected.

TooManyFunctions: Prelude · ×7src/FSharpx.Extras/Prelude.fs:9
TooManyMethods: FSharpOption · ×2src/FSharpx.Extras/CSharpCompat.fs:137
FileTooLong: FSharpx.Extras/Iteratee.fssrc/FSharpx.Extras/Iteratee.fs

What to do

  1. Resolve the 7 TooManyFunctions finding(s) in God Classes — start with Prelude.fs, String.fs, Choice.fs. — One of this dimension's main actionable groups (7 warning-level).
  2. Resolve the 2 TooManyMethods finding(s) in God Classes — start with CSharpCompat.fs (2). — One of this dimension's main actionable groups (2 warning-level).
  3. Resolve the 1 FileTooLong finding(s) in God Classes — start with Iteratee.fs. — One of this dimension's main actionable groups (1 warning-level).
  4. Enforce God Classes in CI to reach Verified (currently Documented). — Hardens enforcement from Documented toward Prevented — provenance only; does not change the score.

Detailed fixes: d3_recommendation.md · top locations in Appendix A, every location in findings.md.

D4 · Code Duplication8.9 / 10Strong✓ Tool-verified

What it measures: Copy-pasted code that should be shared instead.

Method: Code duplication via token-stream sliding windows with type-aware normalization (locals masked, type names preserved), density-scored per KLoC of production code. Deterministic.

Maturity: Documented → Verified → Prevented · effective 8.9 / 10 · rule-coverage 100% · ceiling Verified

16 duplicated block group(s) detected. One further row reports members as variants of one another; it aggregates block groups already counted above and is not itself counted.

Duplicated block (11 lines × 2) · ×2src/FSharpx.Extras/Pluralizer.fs:220
Duplicated block (10 lines × 2) · ×2src/FSharpx.Extras/ComputationExpressions/Choice.fs:60
Duplicated block (5 lines × 2) · ×2src/FSharpx.Extras/ComputationExpressions/Validation.fs:23
Members sharing a duplicated core (6 members, 50+ identical tokens)src/FSharpx.Extras/ComputationExpressions/Async.fs:1
Duplicated block (28 lines × 2)src/FSharpx.Extras/ComputationExpressions/Validation.fs:48

+ 9 more group(s) — more in Appendix A; the complete list is findings.md.

What to do

  1. Resolve the 2 Duplicated block (11 lines × 2) finding(s) in Code Duplication — start with Pluralizer.fs, Reader.fs. — One of this dimension's main actionable groups (2 warning-level).
  2. Resolve the 2 Duplicated block (10 lines × 2) finding(s) in Code Duplication — start with Choice.fs, StructuredFormat.fs. — One of this dimension's main actionable groups (2 warning-level).
  3. Resolve the 2 Duplicated block (5 lines × 2) finding(s) in Code Duplication — start with Validation.fs, StructuredFormat.fs. — One of this dimension's main actionable groups (2 warning-level).
  4. Enforce Code Duplication in CI to reach Verified (currently Documented). — Hardens enforcement from Documented toward Verified — provenance only; does not change the score.

Detailed fixes: d4_recommendation.md · top locations in Appendix A, every location in findings.md.

D5 · Coupling6.9 / 10Adequate✓ Tool-verified

What it measures: Whether volatile projects sit underneath others that depend on them (so their churn ripples upward), and whether project dependencies form cycles. A widely-depended-on but stable shared/kernel project is healthy, not penalised.

Method: Dependency cycles via elementary-DFS over real .csproj references, plus Martin instability (afferent/efferent) per project. Exhaustive over the reference graph, deterministic.

Coverage: Exhaustive · type-level: afferent/efferent coupling + cycles computed over every production type — the population is all types, not a name convention.

Maturity: Documented → Verified → Prevented · effective 6.9 / 10 · rule-coverage 100% · ceiling Prevented

3 projects, 0 dependency cycle(s), 0 unstable depended-on project(s).

What to do

  1. Enforce Coupling in CI to reach Verified (currently Documented). — Hardens enforcement from Documented toward Prevented — provenance only; does not change the score.

Detailed fixes: d5_recommendation.md.

D9 · Test Distribution10.0 / 10Exemplary✓ Tool-verified

What it measures: Whether the test suite has a healthy mix of unit / integration / end-to-end tests.

Method: Test projects classified (Unit/Integration/BDD/E2E) from compiled metadata; test methods counted exhaustively across projects with placement-agnostic disk fallback. Deterministic.

Maturity: Documented → Verified → Prevented · effective 10.0 / 10 · rule-coverage 100% · ceiling Documented

426 test methods: 426 unit, 0 integration, 0 BDD, 0 e2e.

✓ On the Gold path — maintain.

Detailed fixes: d9_recommendation.md.

D10 · Test Quality9.6 / 10Stronggated by 4 serious findings✓ Tool-verified

What it measures: Whether the tests truly assert behaviour rather than just running the code.

Method: Per-test assertions, skips, and mock references analyzed via Roslyn; structured skip-reason tags (BUG:/ENV:) separate documented deferrals from debt. Deterministic.

Maturity: Documented → Verified → Prevented · effective 9.6 / 10 · rule-coverage 100% · ceiling Prevented

0 skipped, 4 zero-assertion, no mocking-framework packages referenced (hand-written doubles or no mocking) across 142 tests. Measured on the C# suite only — at least 33 test source file(s) (.fs) went unread, so its test quality is unmeasured and is not in these counts.

No assertions: Does_not_conflict_with_System_Array · ×4tests/FSharpx.CSharpTests/ArrayTests.cs:8

What to do

  1. Resolve the 4 No assertions finding(s) in Test Quality — start with ValidationTests.cs (2), ArrayTests.cs, AsyncTests.cs. — One of this dimension's main actionable groups (4 warning-level).
  2. Enforce Test Quality in CI to reach Verified (currently Documented). — Hardens enforcement from Documented toward Prevented — provenance only; does not change the score.

Detailed fixes: d10_recommendation.md · top locations in Appendix A, every location in findings.md.

D12 · Dependency Hygiene8.6 / 10Strong✓ Tool-verified

What it measures: Whether dependencies are current, secure, and not bloated.

Method: Manifest scan via dotnet list package across all projects; worst-signal-per-package deduction (saturating for vulnerabilities, capped-linear for deprecation/outdated) per KLoC. Exhaustive, deterministic.

Maturity: Documented → Verified → Prevented · effective 8.6 / 10 · rule-coverage 100% · ceiling Verified

24 outdated, 0 vulnerable, 0 deprecated, 1 prerelease packages.

Prerelease dependency: Microsoft.SourceLink.GitHub
Outdated: FSharp.Core · ×24

What to do

  1. Resolve the 1 Prerelease dependency finding(s) in Dependency Hygiene. — One of this dimension's main actionable groups (1 warning-level).
  2. Enforce Dependency Hygiene in CI to reach Verified (currently Documented). — Hardens enforcement from Documented toward Verified — provenance only; does not change the score.

Detailed fixes: d12_recommendation.md · top locations in Appendix A, every location in findings.md.

D13 · REDACTED Scanning10.0 / 10Exemplary○ Nothing flagged

What it measures: Whether any secrets (keys, tokens, passwords) have leaked into the code.

Method: In-process native secret scanner (entropy plus signature patterns) across all tracked files; no external tool. A clean result is a measured 10, not no-data zero. Deterministic.

Maturity: Documented → Verified → Prevented · effective 10.0 / 10 · rule-coverage 100% · ceiling Prevented

REDACTED scan ran and found no leaked secrets.

✓ On the Gold path — maintain.

Detailed fixes: d13_recommendation.md.

D15 · Churn × Complexity Hotspots10.0 / 10Exemplary✓ Tool-verified

What it measures: Files that change often and are also complex — the riskiest hotspots.

Method: Per production file churn times cyclomatic complexity over a rolling window, computed from git and Roslyn/JS/Razor analysis. Exhaustive, deterministic per commit date.

Maturity: Documented → Verified → Prevented · effective 10.0 / 10 · rule-coverage 100% · ceiling Documented

No churn × complexity hotspots in the window.

✓ On the Gold path — maintain.

Detailed fixes: d15_recommendation.md.

D17 · Explicit Debt6.2 / 10Adequate✓ Tool-verified

What it measures: Acknowledged debt left in the code — TODOs, dead code, suppressed warnings.

Method: Roslyn syntactic debt markers (suppressions/TODO/FIXME/HACK/empty-catch/commented-code/Obsolete) plus SymbolFinder dead-code analysis; weighted-debt-per-KLoC density deducted 2.0x per unit. Deterministic, exhaustive.

Maturity: Documented → Verified → Prevented · effective 6.2 / 10 · rule-coverage 100% · ceiling Prevented

7 deducted debt markers + 0 dead symbols across 0 LoC in the .NET projects (1.9/KLoC) → score 6.3. Measured on the .NET source only: .fs (100% of production source) was not read, and carries at least 0 uncounted task marker(s) in 0 file(s).

FileScopedPragmaDisabletests/FSharpx.CSharpTests/AsyncTests.cs:14
WriteOnlyPrivateFieldtests/FSharpx.CSharpTests/ValidationTests.cs:162
BarePragmaDisable · ×3tests/FSharpx.CSharpTests/FuncTests.cs:22
CommentedOutCode · ×2tests/FSharpx.CSharpTests/Person.cs:33

What to do

  1. Resolve the 1 FileScopedPragmaDisable finding(s) in Explicit Debt — start with AsyncTests.cs. — One of this dimension's main actionable groups (1 issue-level).
  2. Resolve the 1 WriteOnlyPrivateField finding(s) in Explicit Debt — start with ValidationTests.cs. — One of this dimension's main actionable groups (1 issue-level).
  3. Resolve the 3 BarePragmaDisable finding(s) in Explicit Debt — start with FuncTests.cs, MapTests.cs, ValidationTests.cs. — One of this dimension's main actionable groups (3 warning-level).
  4. Enforce Explicit Debt in CI to reach Verified (currently Documented). — Hardens enforcement from Documented toward Prevented — provenance only; does not change the score.

Detailed fixes: d17_recommendation.md · top locations in Appendix A, every location in findings.md.

D19 · Documentation QualityWeak◐ Sampled · advisory

What it measures: Whether the project's documentation is clear, complete, and useful.

Method: Judged by language model at low temperature (0.0-0.1) on a deterministic doc sample (READMEs plus first 25 architecture docs), with two-pass stability filtering. Advisory, sampled.

Maturity: Documented → Verified → Prevented · effective Weak / 10 · rule-coverage 100% · ceiling Documented

This single README file is a community-facing project page for the FSharpx.Extras NuGet package. It states what the collection of libraries and tools does, links to the home page and GitHub organization, lists the default maintainers, and shows build status; it contains no installation or usage content, no architecture documentation, and no contribution guidance.

Documentation: no installation or build instructions · ×2README.md

What to do

  1. Resolve the 2 Documentation finding(s) in Documentation Quality — start with README.md (2). — One of this dimension's main actionable groups (2 recommendation-level).

Detailed fixes: d19_recommendation.md · top locations in Appendix A, every location in findings.md.

D21 · Naming ConsistencyExemplary◐ Sampled · advisory

What it measures: Whether names — types, methods, variables — are clear and consistent.

Method: Judged by language model at low temperature (0.0-0.1) on a deterministic random symbol sample (fixed size, not exhaustive), with disclosed confidence band. Advisory, sampled.

Maturity: Documented → Verified → Prevented · effective Exemplary / 10 · rule-coverage 100% · ceiling Verified

0 naming inconsistencies across 200 sampled symbols.

✓ On the Gold path — maintain.

Detailed fixes: d21_recommendation.md.

D24 · Comment ValueWeak◐ Sampled · advisory

What it measures: Whether comments are worth it — explaining WHY (valuable) rather than WHAT (redundant).

Method: Judged by language model at low temperature (0.0-0.1) on deterministically sampled inline comments with surrounding code; findings verified back to sampled comments by substring match. Advisory, sampled.

Maturity: Documented → Verified → Prevented · effective Weak / 10 · rule-coverage 100% · ceiling Documented

10 valuable / 0 redundant across 45 sampled comments; 2 shown with locations.

misleading comment · ×2tests/FSharpx.CSharpTests/AsyncTests.cs:56

What to do

  1. Resolve the 2 misleading comment finding(s) in Comment Value — start with AsyncTests.cs, ValidationExample.cs. — One of this dimension's main actionable groups (2 recommendation-level).

Detailed fixes: d24_recommendation.md · top locations in Appendix A, every location in findings.md.

D26 · Project Cohesion10.0 / 10Exemplary✓ Tool-verified

What it measures: Whether each project is a focused, coherent unit rather than an oversized grab-bag.

Method: Project size overshoot penalties (LoC / public-type count / namespace count, 2-of-3 flag) weighted by log magnitude. Exhaustive across projects, deterministic, LLM-independent.

Maturity: Documented → Verified → Prevented · effective 10.0 / 10 · rule-coverage 100% · ceiling Documented

0 of 1 projects flagged as possibly oversized/incoherent.

✓ On the Gold path — maintain.

Detailed fixes: d26_recommendation.md.

D27 · Navigability8.9 / 10Strong✓ Tool-verified

What it measures: How far you must trace to follow a call — low indirection and co-located slices read easier.

Method: Call indirection (interface hops, cross-namespace calls, slice-locality scaled) over a sampled set of method invocations, size-aware baseline. Sampled; confidence discounted by symbol-resolution gaps.

Coverage: Slice locality from the first namespace segments, SAMPLED (≤400 methods) — not exhaustive.

Maturity: Documented → Verified → Prevented · effective 8.9 / 10 · rule-coverage 100% · ceiling Documented

79 % of calls cross a namespace and 3 % go through an interface, but 77 % of collaborators are co-located — so following a call takes several hops. Baseline: small — navigation cost is tolerated.

What to do

  1. Improve Navigability — currently 8.9/10. — 79 % of calls cross a namespace and 3 % go through an interface, but 77 % of collaborators are co-located — so following a call takes several hops. Baseline: small — navigation cost is tolerated.

Detailed fixes: d27_recommendation.md.

D28 · Secrets (history)8.0 / 10Adequategated by 2 critical findings✓ Tool-verified

What it measures: Whether any secrets were ever committed — scanned across the full git history, not just now.

Method: REDACTED scan via TWO gitleaks detect passes in an isolated checkout — the full git history, then a second --no-git pass over the working tree as it stands — merged and de-duplicated by (rule, file, line); each match flagged REDACTED. Both invocations are recorded in the audit trail. Exhaustive; when the tool is absent, or when its output cannot be parsed into the expected shape, the dimension is WITHHELD as an explicit measurement gap on our side — unscored and excluded from the lens, never a hedged middling score.

Maturity: Documented → Verified → Prevented · effective 8.0 / 10 · rule-coverage 100% · ceiling Documented

2 finding(s): 0 critical, 2 high, 0 medium, 0 low. Remediation for historically-committed secrets is credential rotation — they remain in history regardless of later deletion.

REDACTED
REDACTED

What to do

  1. Resolve the 2 REDACTED finding(s) in Secrets (history) — start with REDACTED, REDACTED. — One of this dimension's main actionable groups (2 issue-level).
  2. Resolve the 1 Rotate the exposed credentials finding(s) in Secrets (history). — One of this dimension's main actionable groups (1 recommendation-level).

Detailed fixes: d28_recommendation.md · top locations in Appendix A, every location in findings.md.

D29 · Static Analysis (SAST)10.0 / 10Adequategated by 3 critical findings○ Nothing flagged

What it measures: Real static-analysis (SAST) findings — likely security bugs in the code, any language.

Method: Polyglot static analysis via semgrep across the repo using the pinned, image-baked p/security-audit + p/owasp-top-ten rulesets (no scan-time registry fetch); severity rules (ERROR/WARNING/INFO) map to a full-band severity-weighted score. Exhaustive, deterministic; degrades on parse failure.

Coverage: semgrep pattern rules over all files — exhaustive for the rule set, blind to classes of bug without a rule (clean = no rule matched).

Maturity: Documented → Verified → Prevented · effective 10.0 / 10 · rule-coverage 100% · ceiling Documented

3 finding(s): 0 critical, 3 high, 0 medium, 0 low. 3 unpinned-GitHub-Actions row(s) are reported here but scored by D36 (supply-chain provenance), which measures that posture as `pinned_actions` — one pinning decision is charged once, not once per lens.

REDACTED

What to do

  1. No action in Static Analysis (SAST) — all 3 REDACTED finding(s) are reported here at file:line but scored by D36 (supply-chain provenance), so none is charged to this dimension. — One of this dimension's main actionable groups (3 issue-level, 0 of them charged here).

Detailed fixes: d29_recommendation.md · top locations in Appendix A, every location in findings.md.

D30 · Dependency Vulnerabilities10.0 / 10Exemplary○ Nothing flagged

What it measures: Whether any dependency has a known published vulnerability (CVE), direct or transitive, in ANY ecosystem the repository declares — Dart pub, Elixir/Hex, Go modules, Java and Kotlin via Maven/Gradle, JavaScript/npm, .NET/NuGet, PHP/Composer, Python/PyPI, RubyGems, Rust/Cargo and Swift.

Method: Dependency-CVE scan across every ecosystem the repository declares, scored ONCE. Three sources are unioned and deduplicated by advisory identity (rule id + alias closure, CVE<->GHSA) scoped to package+version, keeping the worst severity: `osv-scanner --recursive` over osv.dev for Dart pub, Elixir/Hex, Go, Java and Kotlin via Maven/Gradle, npm, PHP/Composer, Python/PyPI, RubyGems, Rust/Cargo and Swift; `trivy fs --scanners vuln` for npm lockfiles; and `dotnet list package --vulnerable --include-transitive` for NuGet (with per-advisory collapse of the project x target-framework fan-out), plus a DECLARED-dependency arm that resolves a published gem's gemspec against rubygems.org where no Gemfile.lock is committed. `SeverityScore(c,h,m,l, normalizer 8.0)`. NotApplicable only when NO ecosystem is readable; if any applicable ecosystem could not be scanned the findings are REPORTED and the score is withheld. Supersedes the npm and OSV arms, retired 2026-09-05.

Maturity: Documented → Verified → Prevented · effective 10.0 / 10 · rule-coverage 100% · ceiling Documented

No known-vulnerable dependencies in any ecosystem this repository declares.

✓ On the Gold path — maintain.

Detailed fixes: d30_recommendation.md.

D34 · Knowledge Freshness0.0 / 10Critical✓ Tool-verified

What it measures: Whether anyone still has living knowledge of each file, or it has been orphaned — last understood long ago by someone now gone quiet. The sibling of the bus factor: D16 asks who owns it, D34 asks whether anyone still knows it.

Method: File orphaning as total living-knowledge decay below one focused-commit's worth within a year, computed per-file from the D16 decay model. Exhaustive, deterministic over fixed history.

Maturity: Documented → Verified → Prevented · effective 0.0 / 10 · rule-coverage 100% · ceiling Documented

24 of 24 significant source file(s) are orphaned — their living knowledge has decayed to nothing, so no one currently understands them. The largest is src/FSharpx.Text.StructuredFormat/StructuredFormat.fs. Counted over 24 of the 32 production source files in this repository: the rest are under the ~2,400-byte size floor this dimension measures over.

Most significant orphaned file · ×2src/FSharpx.Text.StructuredFormat/StructuredFormat.fs
Dormant codebase

What to do

  1. Resolve the 2 Most significant orphaned file finding(s) in Knowledge Freshness — start with StructuredFormat.fs, Iteratee.fs. — One of this dimension's main actionable groups (2 recommendation-level).
  2. Resolve the 1 Dormant codebase finding(s) in Knowledge Freshness. — One of this dimension's main actionable groups (1 recommendation-level).

Detailed fixes: d34_recommendation.md · top locations in Appendix A, every location in findings.md.

D35 · Change Coupling10.0 / 10Exemplary✓ Tool-verified

What it measures: Whether files that change together actually belong together — pairs that repeatedly co-change in git history despite having no explicit code dependency, surfacing the hidden/logical coupling (and boundaries in the wrong place) a static scan can't see.

Method: Pairwise co-occurrence over the per-commit file sets in git history (production source only — tests and generated dropped): Degree-of-Coupling = shared ÷ min individual revisions, reported above noise floors (each file ≥10 revisions, ≥5 shared commits, ≥50% strength); sweeping commits excluded. Deterministic over fixed history.

Coverage: Population: PRODUCTION source files only — test and generated files are dropped before pairing, so a class co-changing with its own test (trivially ~100%) can't drown the real production↔production coupling. Pairs ranked by Degree-of-Coupling. A non-source file is never a coupling PARTICIPANT either: documentation, schemas, config and data files are dropped with the rest, so a code↔docs pair — a command and the reference page that restates it — is not reported however strongly the two co-change; nor is coupling that runs THROUGH a build step or config file.

Maturity: Documented → Verified → Prevented · effective 10.0 / 10 · rule-coverage 100% · ceiling Documented

No strong hidden change-coupling between production files.

✓ On the Gold path — maintain.

Detailed fixes: d35_recommendation.md.

D43 · Malicious Dependencies10.0 / 10Exemplary✓ Tool-verified

What it measures: Whether any dependency the repository declares is published as MALICIOUS rather than merely vulnerable — a package that is an attacker's work, in any ecosystem osv-scanner reads. Scored apart from D30 because the answer is binary: there is no safe version to upgrade to, and the fix is to remove the package and rotate every credential it could have read.

Method: The same dependency scan D30 reads, partitioned on the scanner's own classification rather than rescanned: a row is MALICIOUS when its id is in the `MAL-` space (the ossf/malicious-packages feed) OR its `database_specific.cwe_ids` carries `CWE-506` ("Embedded Malicious Code"). Both channels are structural; the summary text is deliberately NOT read, because a malicious-package record whose summary says only "Critical severity vulnerability" is a real shape ([GHSA redacted]) and a text matcher misses it. Scored BINARY: any surviving row is 0, whatever its severity and however many CVEs sit beside it — a hostile dependency is not a quantity. Applicability and degradation are D30's: NotApplicable only when no ecosystem is readable, and an unscannable ecosystem degrades rather than reading clean. SCORED, not informational.

Maturity: Documented → Verified → Prevented · effective 10.0 / 10 · rule-coverage 100% · ceiling Documented

No dependency in any ecosystem this repository declares is published as malicious.

✓ On the Gold path — maintain.

Detailed fixes: d43_recommendation.md.

D44 · Platform End-of-Life10.0 / 10Exemplary✓ Tool-verified

What it measures: Whether anyone still ships security patches for the platform this repository RUNS ON — the runtime it pins and the framework majors its own constraints hold it to. Separate from D12 because the question differs: a current Django on an end-of-life Python is perfectly up to date and completely unsupported, and the fix is a migration rather than a version bump. What the repository says it merely SUPPORTS is never charged.

Method: End-of-life PLATFORM read from the repository's own declarations and graded against a FROZEN, dated table of vendor support dates — no network, no feed, no API, so this dimension answers identically inside a closed scan fence. Two subjects: a RUNTIME the project pins (a single or all-end-of-life TargetFramework, a .nvmrc or .python-version, a requires-python CAP) and a FRAMEWORK major a dependency constraint cannot move off (a caret, tilde or exact version; `vue@^2.7.16` pins Vue 2). A FLOOR is deliberately never charged — `requires-python = ">=3.8"` states what a package SUPPORTS, not what it runs on — and a multi-target project is charged only when EVERY target is out of support. Runtime 4.0/product capped 8.0, framework 1.5 capped 4.5. The table is safe to freeze because a statement about support that ended in the past cannot become false: it loses recall as it ages, never precision, and a test asserts every entry predates the freeze date. Disjoint from D31 (a container image's OS layer) and D29 (the toolchain a CI workflow installs). Abstains when the repository declares no platform this pass reads — never scores it clean.

Maturity: Documented → Verified → Prevented · effective 10.0 / 10 · rule-coverage 100% · ceiling Documented

0 end-of-life runtime(s) and 0 end-of-life framework(s), read from 5 platform declaration(s) and 0 dependency declaration(s). This dimension reads what the repository says about ITSELF — a pinned target framework, a version file, a capped requires-python, a framework major a constraint cannot move off. A FLOOR is deliberately never charged: `requires-python = ">=3.8"` states what the package SUPPORTS, not what it runs on, and a well-maintained library declares exactly that while running its own CI on a current release. The end-of-life facts are FROZEN and dated, so this dimension needs no network and answers identically inside a closed scan fence; as the table ages it loses recall and never precision, because a statement about support that ended in the past cannot become false. The OS layer of a container image is D31's question and the toolchain a CI workflow installs is D29's; this row is neither.

✓ On the Gold path — maintain.

Detailed fixes: d44_recommendation.md.

Frontend & cross-cutting dimensions

R = React/JS · M = Maturity · P = Readiness.

AX10 · Code composition0.0 / 10Critical✓ Tool-verified

Other · Architecture — How the codebase splits by code ROLE — domain, application, infrastructure, test, generated. The significance map behind the knowledge/coupling weighting, and a DDD signal in its own right: a thin domain core under fat infrastructure is the anemic-domain smell, quantified. How each file's role is decided, because the split is only as good as that: a generated name or a build-output tree makes it Generated, a test project makes it Test, and otherwise the file's NAMESPACE and PATH words are matched against fixed vocabularies in a fixed ORDER — domain, then infrastructure, then application — so a file whose words hit two layers is counted under the earlier one. A production file matching none of them counts as application, so that share reads 'application or unclassified' rather than a measured application layer. Roles come from naming convention, never from what the code does.

Method: Roslyn line-count by code ROLE: every source file classified Domain/Application/Infrastructure/Test/Generated by namespace + path convention (the shared CodeRoleClassifier), then significant lines summed per role. Deterministic; the advisory score is the business-logic (domain+application) share of production code.

Coverage: Population: ALL source files, each bucketed into ONE of five roles (Domain/Application/Infrastructure/Test/Generated) by namespace + path convention — a file whose layer isn't named in the convention falls to Application (the neutral default), and the split is line-count, not semantic depth or business value.

AX3 · Project dependency cycles10.0 / 10Exemplary✓ Tool-verified

Other · Architecture — Whether the project-reference graph is acyclic (cycles block independent build/deploy and signal eroding boundaries).

Method: Project reference cycles via elementary-DFS over real .csproj references, using the engine shared with D5/D7; cyclic versus acyclic. Exhaustive, deterministic.

AX4 · Dependency direction10.0 / 10Exemplary✓ Tool-verified

Other · Architecture — Whether dependencies point inward (Domain ← Application ← Infrastructure/Web) — the clean-architecture dependency rule, checked across the project graph.

Method: Layer violations by name-segment inference (Domain/Core to Application to Infrastructure/Web) over the project-reference graph. Exhaustive over all projects, deterministic.

M1 · Documentation (README)4.7 / 10Weak✓ Tool-verified

Maturity · Maturity — Whether the repo and its projects have a README, and whether it's substantive and current.

Method: Filesystem scan: README presence, word count, and headings for depth; git history for staleness. Exhaustive across root and project dirs, deterministic.

  • The root README is 89 words, against a bar of 120. Of the three newcomer-critical sections this check looks for by heading, it found no a testing section, no an architecture or project-map section. Sections are matched on HEADING text only, so material written under a heading this check does not recognise — or with no heading at all — is not seen and this row may understate what the document covers.

What to do

  • Expand the README with getting-started, architecture overview and a project map.
  • Add a 'Testing' section to the root README — how to run the test suite.
  • Add an 'Architecture' / 'How it works' section to the root README — the high-level shape.
  • Add a README to the 1 of 1 project(s) that lack one — worth up to 2 pts.
M2 · Architecture documentation0.0 / 10Critical✓ Tool-verified

Maturity · Maturity — Whether key decisions (ADRs) and the high-level shape (C4/diagrams) are written down.

Method: Filesystem scan: ADR folder/naming conventions or content, plus Mermaid/PlantUML/C4/architecture.md discovery. Exhaustive, deterministic.

  • No Architecture Decision Records found — no conventional ADR directory, no numbered `NNNN-title` documents in any markup this check reads, and nothing ADR-shaped by content. Design rationale recorded elsewhere (a design-notes tree, a mailing list, pull-request discussion) is not visible to this check and is not re-findable per decision, so a future maintainer cannot ask why one choice was made and get an answer.
  • No C4/Structurizr/PlantUML/Mermaid/Graphviz/D2 diagram, no drawn diagram named for the architecture, no file named `architecture` or `design` in any markup this check reads, and nothing in the README, docs or contributor guides that announces the shape — no `## Architecture` heading, no "architecture overview"/"high-level design" phrasing, no "the architecture is …" introduction, no guided code tour. A shape laid out in prose that never names itself as the architecture is not visible to this check, and neither is one kept outside the repository, so this row reports the absence of a re-findable shape document — not evidence that nobody wrote the shape down.

What to do

  • Record significant decisions one document per decision — dated, stating the context, the decision and its consequences — and keep them together wherever your design docs already live (a conventional `docs/adr/` tree, with each file named `NNNN-title` in whatever markup those docs already use, is the most discoverable form).
  • Add a C4 context/container diagram (Structurizr, PlantUML or Mermaid) or an architecture.md overview.
M3 · Folder & project structure10.0 / 10Exemplary✓ Tool-verified

Maturity · Maturity — Whether the repo is organised deliberately — src/test separation and consistent project naming.

Method: Filesystem scan: src/test folder separation and namespace-prefix consistency (majority RootNamespace agreement). Exhaustive across projects, deterministic.

M4 · Documentation accuracy10.0 / 10Exemplary◐ Sampled · advisory

Maturity · Maturity — Whether the README actually describes the code that exists (LLM-judged, advisory).

Method: Judged by language model at low temperature: README accuracy versus actual projects, within a disclosed tolerance. Advisory, not a measured number.

P1 · CI/CD gates10.0 / 10Exemplary○ Nothing flagged

Readiness · Readiness — Whether an automated pipeline builds and tests every change.

Method: Filesystem scan: CI workflow files (.github/workflows, .gitlab-ci.yml, etc.) for build and test stages. Exhaustive, deterministic.

P3 · Security & performance tooling0.0 / 10Critical✓ Tool-verified

Readiness · Readiness — Whether SAST, secret/dependency scanning and performance benchmarking are wired in (presence, not runtime).

Method: Filesystem scan: SAST configuration, dependency-update automation, secret scanning, and a benchmark harness or benchmark step — in this repository's own ecosystem. Exhaustive, deterministic.

  • No static application security testing detected. For this repository's stack, add `semgrep --config=auto` plus gitleaks for committed secrets (F# is not a CodeQL language and has no language-specific SAST engine) as a CI step. What was searched, so you can tell an absence from a miss: the 831 CI workflow file(s) in this repository, and the scanner and linter configuration checked in beside them. A scan that runs outside CI, one configured in your forge's web UI rather than in a committed file, or a tool whose name is none of those this check carries, is not seen — if that is your case the row is wrong, and saying so is more useful than adding a second scanner.

What to do

  • Add a SAST step to CI running what this repository's stack ships: `semgrep --config=auto` plus gitleaks for committed secrets (F# is not a CodeQL language and has no language-specific SAST engine) — so a security regression fails the build instead of landing.
  • Enable Dependabot/Renovate or a dependency-review gate.
  • Add gitleaks/trufflehog in CI to block PRs that introduce committed secrets.
P6 · Release Hygiene10.0 / 10Exemplary✓ Tool-verified

Readiness · Readiness — Whether releases are traceable — a maintained changelog and explicit version stamping.

Method: Filesystem scan: changelog file presence and version tags in csproj or git tags. Exhaustive, deterministic.

Reference — by lens

The score is the rank-weighted fold of these lenses (worst-heaviest), each including its meta-dimensions; a lens with a Critical contributor is capped at Fair (its band reads "gated by …") and is never the strongest area however high its average.

LensScoreRatingImpact
Code Health70%AdequateAcceptable, with room to improve.
Architecture53%Adequate — gated by AX10Capped at Fair by a Critical contributor — resolve it before relying on this lens.
Maturity45%Weak — gated by D34, M2Capped at Fair by a Critical contributor — resolve it before relying on this lens.
Readiness66%Adequate — gated by P3Capped at Fair by a Critical contributor — resolve it before relying on this lens.
Security96%ExemplaryStrongest area.
Not evidenced — 5 control(s) we could not find positive evidence for

These checks grade a working control, and the repository shows no evidence of one. That is deliberately not scored as a zero: a repository cannot show an ops runbook, a database TTL or an infrastructure-side audit log, so absence of evidence here is not evidence the control is missing. It is also not a statement that the check is irrelevant to this codebase — the thing it grades applies; we just could not see it. Excluded from the score either way.

  • C3 Audit Trail — Not assessed: these audit controls are read from a source model (declarative annotations, request middleware, entity/column names, guard methods) that was not loaded for this repository — because the repository is written in a language this check does not yet model, or because its projects failed to load. Absence of an idiom this check recognises is NOT evidence that this repository lacks audit controls: it may implement them entirely in its own ecosystem. This is a gap in the analyzer's language coverage, not a finding about this repository.
  • C4 Data Retention — Not assessed: these retention controls are read from a source model (declarative annotations, request middleware, entity/column names, guard methods) that was not loaded for this repository — because the repository is written in a language this check does not yet model, or because its projects failed to load. Absence of an idiom this check recognises is NOT evidence that this repository lacks retention controls: it may implement them entirely in its own ecosystem. This is a gap in the analyzer's language coverage, not a finding about this repository.
  • C5 Data-Subject Rights — Not assessed: these data-subject rights controls are read from a source model (declarative annotations, request middleware, entity/column names, guard methods) that was not loaded for this repository — because the repository is written in a language this check does not yet model, or because its projects failed to load. Absence of an idiom this check recognises is NOT evidence that this repository lacks data-subject rights controls: it may implement them entirely in its own ecosystem. This is a gap in the analyzer's language coverage, not a finding about this repository.
  • P4 Deployment & Rollback — not evidenced — no deploy/rollback/approval signal in the repo; absence of evidence is not evidence of a manual release
  • P5 DR & Backup — not evidenced — repo shows no backup/RTO/RPO controls; absence of evidence is not evidence of a working control
Not included — 76 check(s) not relevant to this codebase

These checks had nothing to measure here (no tests, no git history, the codebase is small, or the architecture style doesn't apply), so they're omitted above rather than scored low.

  • AC1 Text alternatives — No web markup found — accessibility is not applicable to this repository.
  • AC2 Forms & labels — No web markup found — accessibility is not applicable to this repository.
  • AC3 Page structure — No web markup found — accessibility is not applicable to this repository.
  • AC4 Keyboard semantics — No web markup found — accessibility is not applicable to this repository.
  • AC5 ARIA correctness — No web markup found — accessibility is not applicable to this repository.
  • AC6 Visual & motion safety — No web markup found — accessibility is not applicable to this repository.
  • AC7 A11y enforcement — No web markup found — accessibility is not applicable to this repository.
  • AX1 Captive dependencies — no DI registrations detected
  • AX2 Stateful singletons — no singleton implementations detected
  • AX5 Architecture & structure — not assessed — architecture style/structure is computed from a project graph (projects, types, module namespaces) that was not loaded for this repository, because the repository is written in a language this check does not yet model, or because its projects failed to load. This is a gap in the analyzer, not a finding about this repository
  • AX6 Interface segregation — not assessed — interface segregation is computed over a type surface that was not loaded for this repository, because the repository is written in a language this check does not yet model, or because its projects failed to load. This is a gap in the analyzer, not a finding about this repository
  • AX7 Slice cohesion — not applicable — not a vertical-slice architecture
  • AX8 Test isolation — no test/production split to check
  • AX9 CQS / query purity — no CQRS query handlers detected — query purity is not applicable to this codebase
  • C1 Data Protection — Not assessed: these personal data controls are read from a source model (declarative annotations, request middleware, entity/column names, guard methods) that was not loaded for this repository — because the repository is written in a language this check does not yet model, or because its projects failed to load. Absence of an idiom this check recognises is NOT evidence that this repository lacks personal data controls: it may implement them entirely in its own ecosystem. This is a gap in the analyzer's language coverage, not a finding about this repository.
  • C2 Access Controls — Not assessed: these authorization controls are read from a source model (declarative annotations, request middleware, entity/column names, guard methods) that was not loaded for this repository — because the repository is written in a language this check does not yet model, or because its projects failed to load. Absence of an idiom this check recognises is NOT evidence that this repository lacks authorization controls: it may implement them entirely in its own ecosystem. This is a gap in the analyzer's language coverage, not a finding about this repository.
  • D11 Test Reliability — Test reliability not included
  • D14 License Compliance — Package licences not resolved for an MSBuild/NuGet repository
  • D16 Bus Factor — dormant codebase — no living knowledge left to concentrate
  • D18 Solution Shape — D18 scores the shape of a C#/VB .NET solution, but this repository's production source is mostly .fs, which the C#/VB workspace does not load — the projects that loaded are an immaterial minority, so solution shape was not assessed for this repository. Not scored — this is a gap in the analyzer's reach, not a verdict about this repository.
  • D20 ADR Quality — N/A — ADRs are expected on deployable products with a user-facing host, not consumed libraries; no ADR log is required here.
  • D22 Internal API Consistency — No intentionally-exposed public API to evaluate for consistency.
  • D23 Boundary Type-Coupling — At only 5510 LoC across 3 projects this is a small multi-module codebase that clearly needs boundaries. No bounded-context organisation was detected either — neither a context-shaped layout nor 2+ sibling source directories each declaring an aggregate root. Declaring this codebase's bounded contexts (≥2) would let cross-boundary type coupling be assessed. Declare them in `.codehealth/config.yaml` at the repository root (create it if absent), mapping each context name to the module-path or namespace prefixes that belong to it — e.g. `architecture:` → `contexts:` → `Billing: ["src/billing", "Acme.Billing"]`, `Catalog: ["src/catalog", "Acme.Catalog"]`.
  • D25 ADR Conformance — no ADRs to check
  • D31 IaC & Container Security — No Infrastructure-as-Code or container manifests found (Dockerfile, Docker Compose, Terraform, Kubernetes/Helm, CloudFormation, ARM, Bicep, Ansible); nothing to scan.
  • D32 Data Compliance (PII/GDPR) — No personal data was found crossing a boundary the PII/GDPR ruleset checks — nothing written to a log or console sink, placed in a URL or query string, or persisted to browser storage. That is a clean result for the LEAK surface only: this ruleset detects personal data escaping, it does not inventory the personal data a repository holds, so it is not evidence that this repository has no personal-data surface. The personal-data map (Appendix C) and the C1-C5 compliance cards are what speak to that.
  • D36 Supply-chain Provenance & Signing — The CI pipeline builds and tests but publishes no released artifact — no package publish, container push, GitHub release or deployment step. Supply-chain provenance, signing and SBOM attest RELEASED artifacts, so there is nothing to attest here. Add them to the release pipeline when this repo starts shipping artifacts (a published package, a container image, a deployed service or a tagged release). Build integrity and workflow-token hygiene are reported below: they describe what the CI runs and the token it runs with, neither of which is affected by whether the pipeline ships an artifact.
  • D37 Vulnerability-disclosure Policy — No vulnerability-disclosure policy file found (SECURITY.md/.markdown/.rst/.txt at root or under .github/.forgejo/.gitea/docs, .well-known/security.txt). A coordinated-disclosure policy may live off-repo, so this is not evidenced rather than failed.
  • D39 IL Efficiency — IL not measured — the analyzer's build of the target did not succeed
  • D40 Network Egress Confinement — No Kubernetes/orchestration workloads found in the repository manifests; network egress policy is a cluster-native control that may live at the platform/firewall layer, so there is nothing to assess here.
  • D41 Kernel & Syscall Confinement — No Kubernetes/orchestration workloads found in the repository manifests; seccomp/AppArmor/SELinux confinement is a workload-level control, so there is nothing to assess here.
  • D42 Runtime Threat Enforcement — No Kubernetes/orchestration workloads found in the repository manifests; runtime threat-detection and admission-control policy are cluster-level controls, so there is nothing to assess here.
  • D6 Cohesion (LCOM4) — Cohesion (LCOM4) is measured over a CS/VB/GO/SCALA/SWIFT/DART class graph, and this repository's production source is .fs, which this pass does not read — so no class could be assessed. Not scored — this is a gap in the analyzer, not a finding about this repository.
  • D7 Architectural Integrity — no checkable ADRs and no dependency cycles — architectural integrity not assessed
  • D8 Code Coverage — Coverage NOT MEASURED: `--collect:"XPlat Code Coverage"` names a data collector that ships in the `coverlet.collector` package, and this repository wires up none — no test project references it and no runsettings declares one. The absence of coverage here is therefore not evidence about the suite or about our analyzer environment: without a collector, `--collect` produces nothing even from a suite that builds and passes. Add a `coverlet.collector` PackageReference to the test project(s) (or commit the Cobertura/OpenCover/lcov report your CI produces) and real coverage will be measured. It is excluded from the score rather than counted as a near-zero defect.
  • DM1 Domain Modelling — not scored — this repository shows only 1 of the 3 signals this lens looks for (20 value object(s))
  • ED1 Event-Driven — not scored — this repository shows none of the 3 signals this lens looks for
  • ED5 Idempotency — This check finds retry-prone mutations (command handlers and message/event consumers) by walking the repository's declared types, and none was loaded here, so it has nothing to report. That is a limit of the analyzer, not a finding about your code.
  • ES1 Event Sourcing — not scored — this repository shows none of the 3 signals this lens looks for
  • GD1 Unfinished & placeholder code — no source files were read — this check reads C# syntax, and none was loaded for this repository. That is a limit of the analyzer, not a finding about your code.
  • IC1 Incompleteness & stubs — reported, not scored — this repository's C# declares no analysable method bodies (a constants, record or DTO assembly), and this score is a density of unfinished work per method, which has no denominator here. The file-level signals below were still collected and are shown in full
  • P12 CI test-gate honesty — Reported, not scored — and nothing was matched here. The coverage check applies to any stack, and the automatic-re-run check to any GitHub-Actions workflow, but the checks for excluded tests, skipped tests and sleep-based synchronisation currently recognise only some ecosystems' test-runner idioms, so on a repository built with another stack the zeros below mean 'not checked', not 'clean'.
  • P2 Observability — Observability was not assessed: this check reads a source model that does not carry this repository's product — because the repository is written in a language this check does not yet model, or because its projects failed to load. Absence of a logging idiom this check recognises is NOT evidence that this repo lacks structured logging (it may log through its own ecosystem's logger). This is a gap in the analyzer, not a finding about this repository.
  • P7 Outbound HTTP resilience — not measured — the application kind could not be determined for this repo
  • P8 Schema migrations — no EF Core usage detected
  • P9 Domain vs controller coverage — no coverage report found on disk — produce a coverage report in a standard format (Cobertura — `dotnet test --collect:"XPlat Code Coverage"` with a `coverlet.collector` PackageReference) and commit it — a hosted scan measures a clone of the repository, so a report that exists only in a working tree, a CI runner's or your own, never reaches it; the artefact is commonly gitignored, so `git add -f` that one file (or un-ignore its path) and commit it alongside the code it measures, or wire coverage collection into CI, to enable this cross-layer check
  • PF1 Benchmark discipline — Performance was not assessed: this lens reads a source model that was not loaded for this repository, because the repository is written in a language this lens does not yet model or because its projects failed to load. This is a gap in the analyzer, not a finding about this repository — in particular it is NOT a statement that this repo is unpackaged or performance-careless.
  • PF2 Allocation hygiene — Performance was not assessed: this lens reads a source model that was not loaded for this repository, because the repository is written in a language this lens does not yet model or because its projects failed to load. This is a gap in the analyzer, not a finding about this repository — in particular it is NOT a statement that this repo is unpackaged or performance-careless.
  • PF3 Async & latency hygiene — Performance was not assessed: this lens reads a source model that was not loaded for this repository, because the repository is written in a language this lens does not yet model or because its projects failed to load. This is a gap in the analyzer, not a finding about this repository — in particular it is NOT a statement that this repo is unpackaged or performance-careless.
  • S1 Web-Security Posture — Not assessed: these web-security controls are read from a source model (declarative annotations, request middleware, entity/column names, guard methods) that was not loaded for this repository — because the repository is written in a language this check does not yet model, or because its projects failed to load. Absence of an idiom this check recognises is NOT evidence that this repository lacks web-security controls: it may implement them entirely in its own ecosystem. This is a gap in the analyzer's language coverage, not a finding about this repository.
  • X1 Async correctness — not analysed — these correctness checks read a source model that was not loaded for this repository, because the repository is written in a language this check does not yet model, or because its projects failed to load. This is a gap in the analyzer, not a finding about this repository
  • X12 Unreachable branch — This check reads C# syntax; no C# was loaded for this repository, so it has nothing to report. That is a limit of the analyzer, not a finding about your code.
  • X13 Undrained process stream — This check reads C# syntax; no C# was loaded for this repository, so it has nothing to report. That is a limit of the analyzer, not a finding about your code.
  • X14 Bypassable address classification — This check reads C# syntax; no C# was loaded for this repository, so it has nothing to report. That is a limit of the analyzer, not a finding about your code.
  • X15 Unvalidated length from an untrusted reader — This check reads C# syntax; no C# was loaded for this repository, so it has nothing to report. That is a limit of the analyzer, not a finding about your code.
  • X16 Unfloored truncation loop — This check reads C# syntax; no C# was loaded for this repository, so it has nothing to report. That is a limit of the analyzer, not a finding about your code.
  • X17 Uncapped recursion over a caller-supplied document — This check reads C# syntax; no C# was loaded for this repository, so it has nothing to report. That is a limit of the analyzer, not a finding about your code.
  • X18 Disposal-pattern correctness — This check reads C# syntax; no C# was loaded for this repository, so it has nothing to report. That is a limit of the analyzer, not a finding about your code.
  • X19 Unrestored process-global state — This check reads C# syntax; no C# was loaded for this repository, so it has nothing to report. That is a limit of the analyzer, not a finding about your code.
  • X2 Cancellation propagation — not analysed — these correctness checks read a source model that was not loaded for this repository, because the repository is written in a language this check does not yet model, or because its projects failed to load. This is a gap in the analyzer, not a finding about this repository
  • X20 Mistyped argument guard — This check reads C# syntax; no C# was loaded for this repository, so it has nothing to report. That is a limit of the analyzer, not a finding about your code.
  • X21 Side-effecting pattern guard — This check reads C# syntax; no C# was loaded for this repository, so it has nothing to report. That is a limit of the analyzer, not a finding about your code.
  • X22 Contradicted release guard — This check reads C# syntax; no C# was loaded for this repository, so it has nothing to report. That is a limit of the analyzer, not a finding about your code.
  • X23 Unguarded diagnostic materialisation — This check reads C# syntax; no C# was loaded for this repository, so it has nothing to report. That is a limit of the analyzer, not a finding about your code.
  • X24 Document value interpolated into markup unescaped — This check reads C# syntax; no C# was loaded for this repository, so it has nothing to report. That is a limit of the analyzer, not a finding about your code.
  • X25 Inert configuration knob — This check reads C# syntax; no C# was loaded for this repository, so it has nothing to report. That is a limit of the analyzer, not a finding about your code.
  • X26 Unsynchronised callback handoff — This check reads C# syntax; no C# was loaded for this repository, so it has nothing to report. That is a limit of the analyzer, not a finding about your code.
  • X27 Collection changed while being enumerated — This check reads C# syntax; no C# was loaded for this repository, so it has nothing to report. That is a limit of the analyzer, not a finding about your code.
  • X28 Index access outside its own emptiness guard — This check reads C# syntax; no C# was loaded for this repository, so it has nothing to report. That is a limit of the analyzer, not a finding about your code.
  • X29 Per-element action decided by a fixed element — This check reads C# syntax; no C# was loaded for this repository, so it has nothing to report. That is a limit of the analyzer, not a finding about your code.
  • X3 Exception handling — not analysed — these correctness checks read a source model that was not loaded for this repository, because the repository is written in a language this check does not yet model, or because its projects failed to load. This is a gap in the analyzer, not a finding about this repository
  • X30 Support guard that admits what it rejects — This check reads C# syntax; no C# was loaded for this repository, so it has nothing to report. That is a limit of the analyzer, not a finding about your code.
  • X32 Type resolved by simple name across every loaded assembly — This check reads C# syntax; no C# was loaded for this repository, so it has nothing to report. That is a limit of the analyzer, not a finding about your code.
  • X4 Structured logging — not analysed — these correctness checks read a source model that was not loaded for this repository, because the repository is written in a language this check does not yet model, or because its projects failed to load. This is a gap in the analyzer, not a finding about this repository
  • X5 Nullable reference types — not analysed — these correctness checks read a source model that was not loaded for this repository, because the repository is written in a language this check does not yet model, or because its projects failed to load. This is a gap in the analyzer, not a finding about this repository
  • X9 Subsumed condition operand — Advisory — this card reports evidence and never carries a score, so there is nothing missing here.

Appendix A — Findings (grouped)

The findings behind the scores, grouped by severity, then by dimension and kind. The high-severity issues are enumerated in full below; items per group are capped at 25 with any overflow stated explicitly per group, never silently truncated. The complete machine-readable list of every finding (all severities) is the companion findings.md in this report's bundle.

Critical — 7 finding(s)
D29 · Static Analysis (SAST) · REDACTED · ×3
  • REDACTED
  • REDACTED
  • REDACTED
D28 · Secrets (history) · REDACTED · ×2
  • REDACTED
  • REDACTED
D17 · Explicit Debt · FileScopedPragmaDisable · ×1
  • FileScopedPragmaDisable tests/FSharpx.CSharpTests/AsyncTests.cs:14 — #pragma warning disable 219 — the disable has no matching restore anywhere in this file, so it does not end with the construct that needed it: it runs to the end of the file and silences the rule for everything written below, including code added years later that nobody weighed against it. Close it with the matching restore directive immediately after the construct it covers — that alone turns a standing exemption into a scoped one — or fix the cause and drop the directive entirely.
D17 · Explicit Debt · WriteOnlyPrivateField · ×1
  • WriteOnlyPrivateField tests/FSharpx.CSharpTests/ValidationTests.cs:162 — private Func<Address, FSharpChoice<Address, Errors>> ValidateAddressLines2 — assigned 1 time(s), read never — this field is written and never read anywhere its type can be reached from, so the state it keeps answers no question: every assignment to it computes a value that nothing observes, on every instance, for the lifetime of each one. It reads as a flag the code branches on, and nothing branches on it. Delete the field and its assignments — or, if the value was MEANT to be consulted, the missing read is the defect this row is pointing at, and the branch that should have depended on it is not there.
Serious — 41 finding(s)
D3 · God Classes · TooManyFunctions · ×7
  • TooManyFunctions: Prelude src/FSharpx.Extras/Prelude.fs:9 — TooManyFunctions — 70 functions. The bar is 30 functions; this is 40 over it, 2.33× the bar. The counted members are a module's functions — a module holds no instance state, so there is no shared data to group them by and no type to move them onto. To reduce it, extract each cohesive family of functions into a new module of its own and have this one delegate to it, so no single module carries every responsibility.
  • TooManyFunctions: StringModule src/FSharpx.Extras/String.fs:7 — TooManyFunctions — 65 functions. The bar is 30 functions; this is 35 over it, 2.17× the bar. The counted members are a module's functions — a module holds no instance state, so there is no shared data to group them by and no type to move them onto. To reduce it, extract each cohesive family of functions into a new module of its own and have this one delegate to it, so no single module carries every responsibility.
  • TooManyFunctions: Choice src/FSharpx.Extras/ComputationExpressions/Choice.fs:3 — TooManyFunctions — 54 functions. The bar is 30 functions; this is 24 over it, 1.80× the bar. The counted members are a module's functions — a module holds no instance state, so there is no shared data to group them by and no type to move them onto. To reduce it, extract each cohesive family of functions into a new module of its own and have this one delegate to it, so no single module carries every responsibility.
  • TooManyFunctions: Option src/FSharpx.Extras/ComputationExpressions/Option.fs:3 — TooManyFunctions — 42 functions. The bar is 30 functions; this is 12 over it, 1.40× the bar. The counted members are a module's functions — a module holds no instance state, so there is no shared data to group them by and no type to move them onto. To reduce it, extract each cohesive family of functions into a new module of its own and have this one delegate to it, so no single module carries every responsibility.
  • TooManyFunctions: Nullable src/FSharpx.Extras/ComputationExpressions/Nullable.fs:3 — TooManyFunctions — 32 functions. The bar is 30 functions; this is 2 over it, 1.07× the bar. The counted members are a module's functions — a module holds no instance state, so there is no shared data to group them by and no type to move them onto. To reduce it, extract each cohesive family of functions into a new module of its own and have this one delegate to it, so no single module carries every responsibility.
  • TooManyFunctions: Task src/FSharpx.Extras/ComputationExpressions/Task.fs:4 — TooManyFunctions — 31 functions. The bar is 30 functions; this is 1 over it, 1.03× the bar. The counted members are a module's functions — a module holds no instance state, so there is no shared data to group them by and no type to move them onto. To reduce it, extract each cohesive family of functions into a new module of its own and have this one delegate to it, so no single module carries every responsibility.
  • TooManyFunctions: Conneg src/FSharpx.Extras/Conneg.fs:3 — TooManyFunctions — 31 functions. The bar is 30 functions; this is 1 over it, 1.03× the bar. The counted members are a module's functions — a module holds no instance state, so there is no shared data to group them by and no type to move them onto. To reduce it, extract each cohesive family of functions into a new module of its own and have this one delegate to it, so no single module carries every responsibility.
D10 · Test Quality · No assertions · ×4
  • No assertions: Does_not_conflict_with_System_Array tests/FSharpx.CSharpTests/ArrayTests.cs:8 — This method's body runs code, and no assertion call was recognised in it. Recognised by name: Assert*, *Should*/ShouldBe*, Verify, Expect, Throws, Record, Received/DidNotReceive, MustHaveHappened/MustNotHaveHappened, EnsureSuccessStatusCode and *AndEnsure* — so verification routed through a helper of your own naming, through a base-class or callback object whose members hold the assertions, or through a harness that fails by throwing under some other name, is not visible to this check and is not counted here. Read it as 'no assertion this check knows how to see', and if that is right, add one.
  • No assertions: ToAsync tests/FSharpx.CSharpTests/AsyncTests.cs:51 — This method's body runs code, and no assertion call was recognised in it. Recognised by name: Assert*, *Should*/ShouldBe*, Verify, Expect, Throws, Record, Received/DidNotReceive, MustHaveHappened/MustNotHaveHappened, EnsureSuccessStatusCode and *AndEnsure* — so verification routed through a helper of your own naming, through a base-class or callback object whose members hold the assertions, or through a harness that fails by throwing under some other name, is not visible to this check and is not counted here. Read it as 'no assertion this check knows how to see', and if that is right, add one.
  • No assertions: Test1_Imperative tests/FSharpx.CSharpTests/ValidationTests.cs:25 — This method's body runs code, and no assertion call was recognised in it. Recognised by name: Assert*, *Should*/ShouldBe*, Verify, Expect, Throws, Record, Received/DidNotReceive, MustHaveHappened/MustNotHaveHappened, EnsureSuccessStatusCode and *AndEnsure* — so verification routed through a helper of your own naming, through a base-class or callback object whose members hold the assertions, or through a harness that fails by throwing under some other name, is not visible to this check and is not counted here. Read it as 'no assertion this check knows how to see', and if that is right, add one.
  • No assertions: Test2_imperative tests/FSharpx.CSharpTests/ValidationTests.cs:76 — This method's body runs code, and no assertion call was recognised in it. Recognised by name: Assert*, *Should*/ShouldBe*, Verify, Expect, Throws, Record, Received/DidNotReceive, MustHaveHappened/MustNotHaveHappened, EnsureSuccessStatusCode and *AndEnsure* — so verification routed through a helper of your own naming, through a base-class or callback object whose members hold the assertions, or through a harness that fails by throwing under some other name, is not visible to this check and is not counted here. Read it as 'no assertion this check knows how to see', and if that is right, add one.
D17 · Explicit Debt · BarePragmaDisable · ×3
  • BarePragmaDisable tests/FSharpx.CSharpTests/FuncTests.cs:22 — #pragma warning disable 219 — the disable is closed again below, so its scope is not the problem; what it records is no reason: there is nothing on the directive line, and no ordinary comment attached to it either side. A suppression is a decision somebody made, and without the reason the next reader cannot tell a considered exception from an unexamined one, so it is never revisited and it outlives the code it was written for. Put the reason on the directive line — what makes this site legitimately different — or fix what the rule is pointing at and delete the pair. A rationale in the member's documentation comment does not clear this row and is not meant to: it explains the member to its callers, and the next person to touch the suppression is not reading it for that.
  • BarePragmaDisable tests/FSharpx.CSharpTests/MapTests.cs:17 — #pragma warning disable 219 — the disable is closed again below, so its scope is not the problem; what it records is no reason: there is nothing on the directive line, and no ordinary comment attached to it either side. A suppression is a decision somebody made, and without the reason the next reader cannot tell a considered exception from an unexamined one, so it is never revisited and it outlives the code it was written for. Put the reason on the directive line — what makes this site legitimately different — or fix what the rule is pointing at and delete the pair. A rationale in the member's documentation comment does not clear this row and is not meant to: it explains the member to its callers, and the next person to touch the suppression is not reading it for that.
  • BarePragmaDisable tests/FSharpx.CSharpTests/ValidationTests.cs:161 — #pragma warning disable 414 — the disable is closed again below, so its scope is not the problem; what it records is no reason: there is nothing on the directive line, and no ordinary comment attached to it either side. A suppression is a decision somebody made, and without the reason the next reader cannot tell a considered exception from an unexamined one, so it is never revisited and it outlives the code it was written for. Put the reason on the directive line — what makes this site legitimately different — or fix what the rule is pointing at and delete the pair. A rationale in the member's documentation comment does not clear this row and is not meant to: it explains the member to its callers, and the next person to touch the suppression is not reading it for that.
D17 · Explicit Debt · CommentedOutCode · ×2
  • CommentedOutCode tests/FSharpx.CSharpTests/Person.cs:33 — 3 consecutive commented-code lines
  • CommentedOutCode tests/FSharpx.CSharpTests/ValidationTests.cs:109 — 4 consecutive commented-code lines
D3 · God Classes · TooManyMethods · ×2
  • TooManyMethods: FSharpOption src/FSharpx.Extras/CSharpCompat.fs:137 — TooManyMethods — 42 methods. The bar is 30 methods; this is 12 over it, 1.40× the bar. To reduce it, group the members that share the same data into a smaller type of their own and delegate to it, so no single type carries every responsibility.
  • TooManyMethods: FSharpChoice src/FSharpx.Extras/CSharpCompat.fs:299 — TooManyMethods — 31 methods. The bar is 30 methods; this is 1 over it, 1.03× the bar. To reduce it, group the members that share the same data into a smaller type of their own and delegate to it, so no single type carries every responsibility.
D4 · Code Duplication · Duplicated block (11 lines × 2) · ×2
  • Duplicated block (11 lines × 2) src/FSharpx.Extras/Pluralizer.fs:220 — src/FSharpx.Extras/Pluralizer.fs:220-230 | src/FSharpx.Extras/Pluralizer.fs:238-248 — both copies are in the same file, so extract the block into one function there and call it from each site — the copies drift apart the first time only one of them is edited.
  • Duplicated block (11 lines × 2) src/FSharpx.Extras/ComputationExpressions/Reader.fs:23 — src/FSharpx.Extras/ComputationExpressions/Reader.fs:23-33 | src/FSharpx.Extras/ComputationExpressions/State.fs:36-46 — before extracting anything, compare `src/FSharpx.Extras/ComputationExpressions/Reader.fs` and `src/FSharpx.Extras/ComputationExpressions/State.fs` as WHOLE FILES: this scan already matched 3 separate duplicated blocks between them, totalling at least 34 lines, which is the signature of one file having been copied from the other rather than of a helper waiting to be extracted. If that is what happened, the fix is to keep one copy and have the other call it (or delete it), which resolves this row and its siblings together — extracting one helper per block leaves the fork in place. Read the line range as the matched WINDOW rather than a finished unit: at `src/FSharpx.Extras/ComputationExpressions/Reader.fs:23` it does not close everything it opens, so those exact lines cannot be lifted as they stand — widen the region to the smallest complete statement or declaration that contains it, and extract that.
D4 · Code Duplication · Duplicated block (10 lines × 2) · ×2
  • Duplicated block (10 lines × 2) src/FSharpx.Extras/ComputationExpressions/Choice.fs:60 — src/FSharpx.Extras/ComputationExpressions/Choice.fs:60-69 | src/FSharpx.Extras/ComputationExpressions/Result.fs:37-46 — the copies sit in sibling files of one directory, so a shared home is within easy reach: extract the block into a single shared function the call sites can all reach — a file they already depend on, or a new one alongside them — and call it from both call sites, so a change lands once. Note that the copies do not run to the end of the range shown: their LAST lines are different code, not the same code under different names — the matched region ends inside that line. Extract the lines above it, and read the last line of each site separately.
  • Duplicated block (10 lines × 2) src/FSharpx.Text.StructuredFormat/StructuredFormat.fs:492 — src/FSharpx.Text.StructuredFormat/StructuredFormat.fs:492-501 | src/FSharpx.Text.StructuredFormat/StructuredFormat.fs:533-542 — both copies are in the same file, so extract the block into one function there and call it from each site — the copies drift apart the first time only one of them is edited.
D4 · Code Duplication · Duplicated block (5 lines × 2) · ×2
  • Duplicated block (5 lines × 2) src/FSharpx.Extras/ComputationExpressions/Validation.fs:23 — src/FSharpx.Extras/ComputationExpressions/Validation.fs:23-27 | src/FSharpx.Extras/ComputationExpressions/Validation.fs:100-104 — both copies are in the same file, so extract the block into one function there and call it from each site — the copies drift apart the first time only one of them is edited.
  • Duplicated block (5 lines × 2) src/FSharpx.Text.StructuredFormat/StructuredFormat.fs:877 — src/FSharpx.Text.StructuredFormat/StructuredFormat.fs:877-881 | src/FSharpx.Text.StructuredFormat/StructuredFormat.fs:889-893 — both copies are in the same file, so extract the block into one function there and call it from each site — the copies drift apart the first time only one of them is edited.
D12 · Dependency Hygiene · Prerelease dependency · ×1
  • Prerelease dependency: Microsoft.SourceLink.GitHub — Microsoft.SourceLink.GitHub resolves to 1.0.0-beta2-19351-01, a prerelease build. Prerelease packages carry no support policy, may change breaking between previews and can be unlisted — pin a stable release before shipping, or record the reason this preview is required.
D2 · Cognitive Complexity · Pluralizer.adjustCase (cognitive 35) · ×1
  • Pluralizer.adjustCase (cognitive 35) src/FSharpx.Extras/Pluralizer.fs:176 — Pluralizer.adjustCase has cognitive complexity 35 (threshold 15). Drivers by points: if/else 14 (32 pts), loops 1 (2 pts), boolean chains 1 (nesting depth added 19). To reduce it, flatten the nesting: this score is depth rather than breadth — most of its points come from checks stacked inside one another, so the work sits several levels in. Invert each enclosing check into an early exit (a return, or the language's equivalent) so the happy path stays at one level, and where a level cannot be exited early, lift the block it encloses into its own named function.
D2 · Cognitive Complexity · TLog.OrElse (cognitive 26) · ×1
  • TLog.OrElse (cognitive 26) src/FSharpx.Extras/Stm.fs:198 — TLog.OrElse has cognitive complexity 26 (threshold 15). Drivers by points: if/else 10 (16 pts), error handling 6 (9 pts), boolean chains 1 (nesting depth added 9). To reduce it, split the body into named stages: move each independent step or branch into its own named function so the body reads as a short sequence of named calls rather than one long body.
D3 · God Classes · FileTooLong · ×1
  • FileTooLong: FSharpx.Extras/Iteratee.fs src/FSharpx.Extras/Iteratee.fs — FileTooLong — 597 significant lines (blank, comment-only and punctuation-only lines excluded). The bar is 500 significant lines; this is 97 over it, 1.19× the bar. To reduce it, split the file along the responsibilities already in it: move each cohesive group of declarations into its own sibling file in the same module or package, so no one file has to be read whole to change one of them.
D36 · Supply-chain Provenance & Signing · REDACTED · ×1
  • REDACTED
D4 · Code Duplication · Members sharing a duplicated core (6 members, 50+ identical tokens) · ×1
  • Members sharing a duplicated core (6 members, 50+ identical tokens) src/FSharpx.Extras/ComputationExpressions/Async.fs:1 — src/FSharpx.Extras/ComputationExpressions/Async.fs:1-48 | src/FSharpx.Extras/ComputationExpressions/Continuation.fs:1-109 | src/FSharpx.Extras/ComputationExpressions/Option.fs:1-254 | src/FSharpx.Extras/ComputationExpressions/Reader.fs:1-80 | src/FSharpx.Extras/ComputationExpressions/State.fs:1-85 | src/FSharpx.Extras/ComputationExpressions/Writer.fs:1-109 — These 6 members share a duplicated core: a run of at least 50 identical tokens appears in every one of them. That run is NOT broken out as duplicated-block rows below — it is what admitted this row, and the blocks below cover only the part of it that clears the block floor, so they understate the correspondence. Read the members as one construct written 6 times. The repair is at the members' grain — factor the shared implementation out once and have all of them call it with their differences as parameters or as an injected step, or, where the difference is systematic, generate them from one template. Extracting the individual blocks below is not the same fix: it leaves every body in place and the next edit still has to be made 6 times.
D4 · Code Duplication · Duplicated block (28 lines × 2) · ×1
  • Duplicated block (28 lines × 2) src/FSharpx.Extras/ComputationExpressions/Validation.fs:48 — src/FSharpx.Extras/ComputationExpressions/Validation.fs:48-75 | src/FSharpx.Extras/ComputationExpressions/Validation.fs:125-152 — both copies are in the same file, so extract the block into one function there and call it from each site — the copies drift apart the first time only one of them is edited.
D4 · Code Duplication · Duplicated block (19–21 lines × 2) · ×1
  • Duplicated block (19–21 lines × 2) src/FSharpx.Extras/ComputationExpressions/Choice.fs:72 — src/FSharpx.Extras/ComputationExpressions/Choice.fs:72-92 | src/FSharpx.Extras/ComputationExpressions/Task.fs:59-77 — the copies sit in sibling files of one directory, so a shared home is within easy reach: extract the block into a single shared function the call sites can all reach — a file they already depend on, or a new one alongside them — and call it from both call sites, so a change lands once. Note that the copies do not run to the end of the range shown: their LAST lines are different code, not the same code under different names — the matched region ends inside that line. Extract the lines above it, and read the last line of each site separately.
D4 · Code Duplication · Duplicated block (13–16 lines × 2) · ×1
  • Duplicated block (13–16 lines × 2) src/FSharpx.Extras/ComputationExpressions/State.fs:66 — src/FSharpx.Extras/ComputationExpressions/State.fs:66-78 | src/FSharpx.Extras/ComputationExpressions/Writer.fs:85-100 — the copies sit in sibling files of one directory, so a shared home is within easy reach: extract the block into a single shared function the call sites can all reach — a file they already depend on, or a new one alongside them — and call it from both call sites, so a change lands once. Note that the copies do not run to the end of the range shown: their LAST lines are different code, not the same code under different names — the matched region ends inside that line. Extract the lines above it, and read the last line of each site separately. ★ These copies have DRIFTED, and that is worth reading before extracting anything: just after the matched lines, `src/FSharpx.Extras/ComputationExpressions/Writer.fs:100` calls `inline`, `flip` and `src/FSharpx.Extras/ComputationExpressions/State.fs:78` does not — after which the two agree again for 5 more lines. One of those two behaviours is the intended one and the other is what a copy-paste left behind, so decide which BEFORE unifying them: extracting the shared part will silently settle it, and if the copy that skips the call is the wrong one, that bug is already live.
D4 · Code Duplication · Duplicated block (12–14 lines × 4) · ×1
  • Duplicated block (12–14 lines × 4) src/FSharpx.Extras/ComputationExpressions/Async.fs:35 — src/FSharpx.Extras/ComputationExpressions/Async.fs:35-46 | src/FSharpx.Extras/ComputationExpressions/Continuation.fs:78-89 | src/FSharpx.Extras/ComputationExpressions/Reader.fs:67-78 | src/FSharpx.Extras/ComputationExpressions/Writer.fs:94-107 — before extracting anything, compare `src/FSharpx.Extras/ComputationExpressions/Async.fs` and `src/FSharpx.Extras/ComputationExpressions/Continuation.fs` as WHOLE FILES: this scan already matched 3 separate duplicated blocks between them, totalling at least 33 lines, which is the signature of one file having been copied from the other rather than of a helper waiting to be extracted. If that is what happened, the fix is to keep one copy and have the other call it (or delete it), which resolves this row and its siblings together — extracting one helper per block leaves the fork in place.
D4 · Code Duplication · Duplicated block (9–13 lines × 6) · ×1
  • Duplicated block (9–13 lines × 6) src/FSharpx.Extras/ComputationExpressions/Async.fs:12 — src/FSharpx.Extras/ComputationExpressions/Async.fs:12-20 | src/FSharpx.Extras/ComputationExpressions/Continuation.fs:60-68 | src/FSharpx.Extras/ComputationExpressions/Option.fs:63-75 | src/FSharpx.Extras/ComputationExpressions/Reader.fs:49-57 | src/FSharpx.Extras/ComputationExpressions/State.fs:54-62 | src/FSharpx.Extras/ComputationExpressions/Writer.fs:67-79 — before extracting anything, compare `src/FSharpx.Extras/ComputationExpressions/Async.fs` and `src/FSharpx.Extras/ComputationExpressions/Continuation.fs` as WHOLE FILES: this scan already matched 3 separate duplicated blocks between them, totalling at least 33 lines, which is the signature of one file having been copied from the other rather than of a helper waiting to be extracted. If that is what happened, the fix is to keep one copy and have the other call it (or delete it), which resolves this row and its siblings together — extracting one helper per block leaves the fork in place. Note that the copies do not run to the end of the range shown: their LAST lines are different code, not the same code under different names — the matched region ends inside that line. Extract the lines above it, and read the last line of each site separately.
D4 · Code Duplication · Duplicated block (7–10 lines × 5) · ×1
  • Duplicated block (7–10 lines × 5) src/FSharpx.Extras/ComputationExpressions/Continuation.fs:72 — src/FSharpx.Extras/ComputationExpressions/Continuation.fs:72-78 | src/FSharpx.Extras/ComputationExpressions/Option.fs:78-87 | src/FSharpx.Extras/ComputationExpressions/Reader.fs:61-67 | src/FSharpx.Extras/ComputationExpressions/State.fs:66-72 | src/FSharpx.Extras/ComputationExpressions/Validation.fs:67-73 — before extracting anything, compare `src/FSharpx.Extras/ComputationExpressions/Continuation.fs` and `src/FSharpx.Extras/ComputationExpressions/Reader.fs` as WHOLE FILES: this scan already matched 4 separate duplicated blocks between them, totalling at least 43 lines, which is the signature of one file having been copied from the other rather than of a helper waiting to be extracted. If that is what happened, the fix is to keep one copy and have the other call it (or delete it), which resolves this row and its siblings together — extracting one helper per block leaves the fork in place. Note that the copies do not run to the end of the range shown: their LAST lines are different code, not the same code under different names — the matched region ends inside that line. Extract the lines above it, and read the last line of each site separately.
D4 · Code Duplication · Duplicated block (9 lines × 2) · ×1
  • Duplicated block (9 lines × 2) src/FSharpx.Extras/ComputationExpressions/Validation.fs:30 — src/FSharpx.Extras/ComputationExpressions/Validation.fs:30-38 | src/FSharpx.Extras/ComputationExpressions/Validation.fs:107-115 — both copies are in the same file, so extract the block into one function there and call it from each site — the copies drift apart the first time only one of them is edited.
D4 · Code Duplication · Duplicated block (8 lines × 2) · ×1
  • Duplicated block (8 lines × 2) src/FSharpx.Extras/Iteratee.fs:497 — src/FSharpx.Extras/Iteratee.fs:497-504 | src/FSharpx.Extras/Iteratee.fs:730-737 — both copies are in the same file, so extract the block into one function there and call it from each site — the copies drift apart the first time only one of them is edited.
D4 · Code Duplication · Duplicated block (7 lines × 2) · ×1
  • Duplicated block (7 lines × 2) src/FSharpx.Extras/ComputationExpressions/Choice.fs:116 — src/FSharpx.Extras/ComputationExpressions/Choice.fs:116-122 | src/FSharpx.Extras/ComputationExpressions/Option.fs:25-31 — the copies sit in sibling files of one directory, so a shared home is within easy reach: extract the block into a single shared function the call sites can all reach — a file they already depend on, or a new one alongside them — and call it from both call sites, so a change lands once.
D4 · Code Duplication · Duplicated block (5–6 lines × 5) · ×1
  • Duplicated block (5–6 lines × 5) src/FSharpx.Extras/ComputationExpressions/Async.fs:41 — src/FSharpx.Extras/ComputationExpressions/Async.fs:41-46 | src/FSharpx.Extras/ComputationExpressions/Continuation.fs:84-89 | src/FSharpx.Extras/ComputationExpressions/Option.fs:209-213 | src/FSharpx.Extras/ComputationExpressions/Reader.fs:73-78 | src/FSharpx.Extras/ComputationExpressions/Writer.fs:102-107 — before extracting anything, compare `src/FSharpx.Extras/ComputationExpressions/Async.fs` and `src/FSharpx.Extras/ComputationExpressions/Continuation.fs` as WHOLE FILES: this scan already matched 3 separate duplicated blocks between them, totalling at least 33 lines, which is the signature of one file having been copied from the other rather than of a helper waiting to be extracted. If that is what happened, the fix is to keep one copy and have the other call it (or delete it), which resolves this row and its siblings together — extracting one helper per block leaves the fork in place.
D8 · Code Coverage · Coverage not measured · ×1
  • Coverage not measured — no coverage collector is wired up — Coverage NOT MEASURED: `--collect:"XPlat Code Coverage"` names a data collector that ships in the `coverlet.collector` package, and this repository wires up none — no test project references it and no runsettings declares one. The absence of coverage here is therefore not evidence about the suite or about our analyzer environment: without a collector, `--collect` produces nothing even from a suite that builds and passes. Add a `coverlet.collector` PackageReference to the test project(s) (or commit the Cobertura/OpenCover/lcov report your CI produces) and real coverage will be measured. It is excluded from the score rather than counted as a near-zero defect.
Minor — 13 finding(s)
D19 · Documentation Quality · Documentation · ×2
  • Documentation: no installation or build instructions README.md — No setup/build instructions for installing or building FSharpx.Extras. Add a short Install/Build section covering how to get the package (NuGet) and any prerequisites.
  • Documentation: no usage examples README.md — No runnable example demonstrating how to use one of the libraries in FSharpx.Extras. Add a Usage section with an executable or code snippet showing a minimal working example.
D24 · Comment Value · misleading comment · ×2
  • misleading comment tests/FSharpx.CSharpTests/AsyncTests.cs:56 — "super verbose return" — delete - the line is a DefaultAsyncBuilder.Return(1), not a super-verbose return; this comment restates the code
  • misleading comment tests/FSharpx.CSharpTests/ValidationExample.cs:83 — "PERFORM THE CHECKS USING Monadic SUGAR (LINQ)" — delete - the CostToEnter method uses applicative functors, not monadic sugar; the comment is a false claim against the code
D34 · Knowledge Freshness · Most significant orphaned file · ×2
  • Most significant orphaned file src/FSharpx.Text.StructuredFormat/StructuredFormat.fs — One of the orphaned files carrying the most lost knowledge — ranked by size weighted by the file's role in the codebase, the same weighting behind the score above, so core code outranks equally large plumbing. A reasonable place to start a read-through before the aggregate risk above bites.
  • Most significant orphaned file src/FSharpx.Extras/Iteratee.fs — One of the orphaned files carrying the most lost knowledge — ranked by size weighted by the file's role in the codebase, the same weighting behind the score above, so core code outranks equally large plumbing. A reasonable place to start a read-through before the aggregate risk above bites.
D28 · Secrets (history) · Rotate the exposed credentials · ×1
  • REDACTED
D34 · Knowledge Freshness · Dormant codebase · ×1
  • Dormant codebase — 24 of 24 significant files have no living knowledge — the codebase as a whole is dormant, not 24 separate risks. Counted over 24 of the 32 production source files in this repository: the rest are under the ~2,400-byte size floor this dimension measures over. Re-engage owners or document before change.
D36 · Supply-chain Provenance & Signing · REDACTED · ×1
  • REDACTED
M1 · Documentation (README) · Thin README · ×1
  • Thin README — The root README is 89 words, against a bar of 120. Of the three newcomer-critical sections this check looks for by heading, it found no a testing section, no an architecture or project-map section. Sections are matched on HEADING text only, so material written under a heading this check does not recognise — or with no heading at all — is not seen and this row may understate what the document covers.
M2 · Architecture documentation · No ADRs · ×1
  • No ADRs — No Architecture Decision Records found — no conventional ADR directory, no numbered `NNNN-title` documents in any markup this check reads, and nothing ADR-shaped by content. Design rationale recorded elsewhere (a design-notes tree, a mailing list, pull-request discussion) is not visible to this check and is not re-findable per decision, so a future maintainer cannot ask why one choice was made and get an answer.
M2 · Architecture documentation · No architecture diagram/doc · ×1
  • No architecture diagram/doc — No C4/Structurizr/PlantUML/Mermaid/Graphviz/D2 diagram, no drawn diagram named for the architecture, no file named `architecture` or `design` in any markup this check reads, and nothing in the README, docs or contributor guides that announces the shape — no `## Architecture` heading, no "architecture overview"/"high-level design" phrasing, no "the architecture is …" introduction, no guided code tour. A shape laid out in prose that never names itself as the architecture is not visible to this check, and neither is one kept outside the repository, so this row reports the absence of a re-findable shape document — not evidence that nobody wrote the shape down.
P3 · Security & performance tooling · No SAST · ×1
  • No SAST — No static application security testing detected. For this repository's stack, add `semgrep --config=auto` plus gitleaks for committed secrets (F# is not a CodeQL language and has no language-specific SAST engine) as a CI step. What was searched, so you can tell an absence from a miss: the 831 CI workflow file(s) in this repository, and the scanner and linter configuration checked in beside them. A scan that runs outside CI, one configured in your forge's web UI rather than in a committed file, or a tool whose name is none of those this check carries, is not seen — if that is your case the row is wrong, and saying so is more useful than adding a second scanner.
Minor — 24 finding(s)
D12 · Dependency Hygiene · Outdated · ×24
  • Outdated: FSharp.Core — FSharp.Core 6.0.6 → 10.1.401 available (referenced by FSharpx.Extras).
  • Outdated: FSharpx.Collections — FSharpx.Collections 3.0.1 → 3.1.0 available (referenced by FSharpx.Extras).
  • Outdated: Microsoft.SourceLink.GitHub — Microsoft.SourceLink.GitHub 1.0.0-beta2-19351-01 → 10.0.401 available (referenced by FSharpx.Extras).
  • Outdated: FsCheck — FsCheck 2.16.6 → 3.4.0 available (referenced by FSharpx.Tests).
  • Outdated: FsCheck.NUnit — FsCheck.NUnit 2.16.6 → 3.4.0 available (referenced by FSharpx.Tests).
  • Outdated: FsUnit — FsUnit 5.6.1 → 7.1.1 available (referenced by FSharpx.Tests).
  • Outdated: GitHubActionsTestLogger — GitHubActionsTestLogger 2.4.1 → 3.0.5 available (referenced by FSharpx.Tests).
  • Outdated: Microsoft.ApplicationInsights — Microsoft.ApplicationInsights 2.23.0 → 3.1.2 available (referenced by FSharpx.Tests).
  • Outdated: Microsoft.CodeCoverage — Microsoft.CodeCoverage 18.0.1 → 18.10.1 available (referenced by FSharpx.Tests).
  • Outdated: Microsoft.NET.Test.Sdk — Microsoft.NET.Test.Sdk 18.0.1 → 18.10.1 available (referenced by FSharpx.Tests).
  • Outdated: Microsoft.Testing.Extensions.Telemetry — Microsoft.Testing.Extensions.Telemetry 1.9.0 → 2.4.1 available (referenced by FSharpx.Tests).
  • Outdated: Microsoft.Testing.Extensions.TrxReport.Abstractions — Microsoft.Testing.Extensions.TrxReport.Abstractions 1.9.0 → 2.4.1 available (referenced by FSharpx.Tests).
  • Outdated: Microsoft.Testing.Extensions.VSTestBridge — Microsoft.Testing.Extensions.VSTestBridge 1.9.0 → 2.4.1 available (referenced by FSharpx.Tests).
  • Outdated: Microsoft.Testing.Platform — Microsoft.Testing.Platform 1.9.0 → 2.4.1 available (referenced by FSharpx.Tests).
  • Outdated: Microsoft.Testing.Platform.MSBuild — Microsoft.Testing.Platform.MSBuild 1.9.0 → 2.4.1 available (referenced by FSharpx.Tests).
  • Outdated: Microsoft.TestPlatform.AdapterUtilities — Microsoft.TestPlatform.AdapterUtilities 18.0.0 → 18.10.1 available (referenced by FSharpx.Tests).
  • Outdated: Microsoft.TestPlatform.ObjectModel — Microsoft.TestPlatform.ObjectModel 18.0.1 → 18.10.1 available (referenced by FSharpx.Tests).
  • Outdated: Microsoft.TestPlatform.TestHost — Microsoft.TestPlatform.TestHost 18.0.1 → 18.10.1 available (referenced by FSharpx.Tests).
  • Outdated: Newtonsoft.Json — Newtonsoft.Json 13.0.3 → 13.0.4 available (referenced by FSharpx.Tests).
  • Outdated: NUnit — NUnit 3.14.0 → 4.6.1 available (referenced by FSharpx.Tests).
  • Outdated: NUnit3TestAdapter — NUnit3TestAdapter 5.2.0 → 6.3.0 available (referenced by FSharpx.Tests).
  • Outdated: System.Diagnostics.DiagnosticSource — System.Diagnostics.DiagnosticSource 9.0.2 → 10.0.12 available (referenced by FSharpx.Tests).
  • Outdated: System.Reflection.Metadata — System.Reflection.Metadata 9.0.2 → 10.0.12 available (referenced by FSharpx.Tests).
  • Outdated: System.Collections.Immutable — System.Collections.Immutable 9.0.2 → 10.0.12 available (referenced by FSharpx.Tests).

Appendix B — Reproduction & audit trail

Every external tool invocation behind a deep-scan dimension — the tool, its captured version, the exact command, how many findings it yielded, and a link to the retained raw output. To reproduce any finding: check out the same commit and run the command shown (repo-relative — never an absolute scratch path). The complete raw scanner output is retained verbatim under artifacts/raw/ (indexed in artifacts/raw/index.json); per-invocation exit codes and wall-clock durations are in sidecar.json — kept out of this table so the rendered report stays byte-identical across runs of the same commit.

DimensionToolVersionCommandFindingsRaw output
D28 · Secrets (history)gitleaks—gitleaks detect --no-banner --config /opt/gitleaks-rules/watchdog-gitleaks.toml --report-format json --report-path /tmp/watchdog-gitleaks-ba12b96be85841859c4cb67542a8bcdd/history.json --exit-code 0 --source .2artifacts/raw/gitleaks-history.json
D28 · Secrets (history)gitleaks—gitleaks detect --no-git --no-banner --config /opt/gitleaks-rules/watchdog-gitleaks.toml --report-format json --report-path /tmp/watchdog-gitleaks-ba12b96be85841859c4cb67542a8bcdd/tree.json --exit-code 0 --source .0artifacts/raw/gitleaks-tree.json
D29 · Static Analysis (SAST)semgrep—semgrep --config /opt/semgrep-rules/security-audit.yml --config /opt/semgrep-rules/owasp-top-ten.yml --config /opt/semgrep-rules/watchdog-sast.yml --json --quiet --timeout 10 --timeout-threshold 3 --metrics off .3artifacts/raw/semgrep.json
D30 · Dependency Vulnerabilitiesdotnet—dotnet list FSharpx.Extras.sln package --vulnerable --include-transitive --format json0artifacts/raw/dotnet-vulnerable.json
D31 · IaC & Container Securitytrivy—trivy: not applicable — No Infrastructure-as-Code or container manifests found (Dockerfile, Docker Compose, Terraform, Kubernetes/Helm, CloudFormation, ARM, Bicep, Ansible); nothing to scan.0—
D32 · Data Compliance (PII/GDPR)semgrep—semgrep: not applicable — No personal data was found crossing a boundary the PII/GDPR ruleset checks — nothing written to a log or console sink, placed in a URL or query string, or persisted to browser storage. That is a clean result for the LEAK surface only: this ruleset detects personal data escaping, it does not inventory the personal data a repository holds, so it is not evidence that this repository has no personal-data surface. The personal-data map (Appendix C) and the C1-C5 compliance cards are what speak to that.0—
D37 · Vulnerability-disclosure Policydisclosure—disclosure: not applicable — No vulnerability-disclosure policy file found (SECURITY.md/.markdown/.rst/.txt at root or under .github/.forgejo/.gitea/docs, .well-known/security.txt). A coordinated-disclosure policy may live off-repo, so this is not evidenced rather than failed.0—
D40 · Network Egress Confinementruntime-hardening—runtime-hardening: not applicable — No Kubernetes/orchestration workloads found in the repository manifests; network egress policy is a cluster-native control that may live at the platform/firewall layer, so there is nothing to assess here.0—
D41 · Kernel & Syscall Confinementruntime-hardening—runtime-hardening: not applicable — No Kubernetes/orchestration workloads found in the repository manifests; seccomp/AppArmor/SELinux confinement is a workload-level control, so there is nothing to assess here.0—
D42 · Runtime Threat Enforcementruntime-hardening—runtime-hardening: not applicable — No Kubernetes/orchestration workloads found in the repository manifests; runtime threat-detection and admission-control policy are cluster-level controls, so there is nothing to assess here.0—
D43 · Malicious Dependenciesdotnet—dotnet list FSharpx.Extras.sln package --vulnerable --include-transitive --format json0artifacts/raw/dotnet-vulnerable.json

Run 01a0d080-927f-71d9-9515-2bc4065cf962 · every finding is also locatable in findings.md, and the complete scoring record (with exit codes + durations) in sidecar.json.

Downloadable artifacts

Machine-readable and reproducible from this commit + frozen rubric — drop them straight into a contract appendix, a CRA dossier, or a downstream SCA / VEX tool.

⬇ Findings, MITRE CWE-tagged .sarif⬇ Health changelog .md