docs: add the 2026-07 ecosystem architecture and design audit - #255
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A full-repository audit conducted as an architecture-board exercise, stored beside the Dummies audit under for-maintainers/audit/: build and test execution (0 warnings, 1143/1143 tests passing), thirteen subsystem surveys, individual audits of all 26 ADRs with implementation- compliance verification, competitive/integration/tooling gap analyses, adversarial verification of every critical and high finding (6 confirmed, 3 partially confirmed, 0 refuted), and a completeness-critic pass. The report covers vision coherence, strengths and weaknesses, ADR review and compliance, architecture, public API, ecosystem, documentation, developer experience, feature gaps, classified recommendations, and a suggested roadmap. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_011RRd5dyXzphsaAwpDcDKP3
Full French twin of the 2026-07 ecosystem architecture and design audit, following the repository's bilingual conventions: prose translated, code identifiers, paths, diagnostic IDs and verbatim technical quotes kept in English, cross-linked language banners, terminology aligned with the Dummies audit translation. Structural parity with the English original was verified mechanically (headings, code blocks, table rows per pair). Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_011RRd5dyXzphsaAwpDcDKP3
Add a static "Issue tracking" section (§17) to the ecosystem architecture audit, EN and FR in lockstep, mapping each §14 recommendation to the GitHub issues opened from it (#228-#254), the in-flight Outcome.Try branch, the pre-existing Dummies-audit issues it relates to (#216/#218/#220/#221), and the §15 roadmap phase. The table is a snapshot; live issue status stays in the tracker. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_011RRd5dyXzphsaAwpDcDKP3
This was referenced Jul 20, 2026
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Summary
Adds the 2026-07 architecture, design & ecosystem audit of the whole FirstClassErrors repository — stored beside the Dummies audit under
doc/handwritten/for-maintainers/audit/, with its full French translation and a static issue-tracking section mapping every recommendation to the GitHub issues opened from it.Type of change
Changes
doc/handwritten/for-maintainers/audit/2026-07-20-firstclasserrors-architecture-and-design-audit.md— 17-section audit report (vision, strengths/weaknesses, per-ADR review and compliance for all 26 ADRs, architecture, public API, ecosystem, documentation, DX, feature gaps, classified recommendations, roadmap, issue tracking). Method: build/test execution, 13 subsystem surveys, 26 per-ADR audits, 3 gap analyses, adversarial verification of every critical/high finding (6 confirmed, 3 partially confirmed, 0 refuted), completeness-critic pass.…audit.fr.md, following the repository's bilingual conventions (structural parity verified mechanically: headings, code blocks, table rows per pair).Outcome.Trybranch, the related Dummies-audit issues (Dummies: settle and document the determinism contract, and record it in a Proposed ADR #216/Dummies: surface the package in the repository README and write a user guide #218/Dummies: ADR hygiene — resolve ADR-0025 status/wording and record ADR-0026/0013/0015 clarifications #220/Dummies: add a public-API baseline and package validation before the first release #221), and the §15 roadmap phases.Testing
dotnet build FirstClassErrors.slndotnet test FirstClassErrors.slnFirstClassErrors.Analyzers.UnitTests)Documentation-only change: no code, build, or packaging file is touched, so the solution commands were not run against this branch. (The audit itself executed the full build and test suite at the audited revision
3bf89e3: 0 warnings, 1143/1143 tests passing — reported in the document.)Documentation
doc/updateddoc/handwritten/for-users/README.fr.md) updated if user-facing behavior changedNo user-facing behavior changed; the new maintainer document ships with its own French twin, per the repository's bilingual mirror practice.
Architecture decisions
Proposed: ADR-____The audit recommends backfilling foundational ADRs (#228) and one lockstep/IVT ADR (#253) but records no decision itself.
Related issues
References (does not close): #228, #229, #230, #231, #232, #233, #234, #235, #236, #237, #238, #239, #240, #241, #242, #243, #244, #245, #246, #247, #248, #249, #250, #251, #252, #253, #254 — the tracking set opened from this audit's §14 recommendations. Also relates to the Dummies-audit issues #216, #218, #220, #221.
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https://claude.ai/code/session_011RRd5dyXzphsaAwpDcDKP3
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