docs: add reconstructed ADRs for architecture decisions - #56
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Records three architectural decisions recovered from repo history per the fleet-wide ADR reconstruction (2026-08-13): the versioned-prompt product model (ADR-0001), paired evaluation sets as regression gates (ADR-0002), and the four-tier risk classification with non-accusatory language (ADR-0003). Every issue/PR/date anchor was verified against this repo before being asserted. Closes #55
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Summary
Adds
docs/adr/with three reconstructed architecture decision records, per the fleet-wide ADR reconstruction (2026-08-13):prompts/v<N>-auditor.md, pipeline decomposition deliberately designed-but-unimplemented indocs/architecture.md/Implement pipeline decomposition (Opus / Sonnet / Haiku stages) #11)D×3scoring defect (Scoring formula: D×3 base cost makes the headline score misleading for large reference lists #43) caught by the real-article corpus and fixed in v6Each ADR follows the fleet format (
# ADR-NNNN,**Status:** Accepted (<original date>; reconstructed 2026-08-13), Context/Decision/Alternatives/Consequences) and includes both the alternatives actually recorded in the evidence and 1–2 retrospective-only alternatives, explicitly labeled as not considered at the time and honestly assessed.Also adds
docs/adr/README.mdas an index with a provenance note, and a short "Architecture decisions" line in the main README linking the directory.Verification
Every issue/PR number, file path, and date cited was checked against this repo (via
git log,gh issue view,gh pr view) before being asserted in the docs — nothing was copied blind from the source issue. One correction made along the way: the source issue referred to "#42" generically; verification showed #42 is the PR (closing issue #3), not a separate issue, and the ADR text reflects that.Scope is limited to the ADR files plus the one README link line, per the issue's ground rules — no other files touched.
Closes #55
Test plan
gh issue view/gh pr viewgrep/git showagainst the actual repo contentdocs/adr/README.mdlinks resolve to the correct relative pathsdocs/adr/and the one README line were touched🤖 Generated with Claude Code