168 records -> docs/decisions/records/<area>/<topic>.md (163 active, 23 dirs) and docs/decisions/archive/<area>/<topic>.md (5 archived). The filename IS the key, so one-active-record-per-key becomes a filesystem property rather than a validator check, and supersession becomes a `git mv`. WHY: the monolith was a concurrency problem before an aesthetic one. A 3,900-line append target made parallel sessions collide -- PR #605 and PR #614 both hit append-vs-append conflicts during routine rebases, and hand-resolving those inside the corpus is exactly the operation the rationale-rewrite guard exists to police. HOW IT IS VERIFIED: a ~170-file diff cannot be meaningfully read, so correctness does not rest on reading it. The parser was taught BOTH formats first, so the body-diff guard parses the old form at the merge-base and the new form at head -- the migration validates itself, no bypass. The proof is a field-level equivalence harness: 168 records before and after, zero lost, zero gained, zero field mismatches, zero rationale bodies differing. Reviewers should scrutinise the harness; it is the actual evidence. What measuring caught that reading would not have: - ~500 lines sit OUTSIDE any record -- decisions.md's lifecycle schema and each topic file's preamble, mostly the only copy. Source files are kept and stripped, never deleted. They also cannot be filed per-area: topic files hold several areas and 4 of 23 areas span several files. - Archive discovery was a non-recursive glob; after the split it found ZERO archived records, surfacing as four bogus "supersedes points to unknown key" errors rather than an obvious failure. - ~32 live docs point into the corpus BY DATE, which the split dangles. Each stripped file now ends with a generated "Records formerly in this file" index, which also rescues the identical breadcrumbs in old issue comments. - decisions.md's "In this file:" list was 97 same-file anchor bullets that the split makes WRONG, not merely stale. Dropped; the generated index replaces them with links that resolve. The equivalence harness now runs against a checked-in FIXTURE, not the live corpus. The earlier version migrated the real tree, which made it a one-shot: the moment the migration landed there was nothing left to move and the tests failed for reasons unrelated to the code. A fixture keeps them testing the SCRIPT rather than the repo's current state. Keys preserved verbatim, warts included: `sched` (12) and `scheduling` (1) remain two directories for one concept. Renaming a key is not a move -- it changes identity, breaks the equivalence proof, and invalidates MemPalace's per-key drawers. Taxonomy normalisation is separate work. refs #610
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key, title, status, since, supersedes, superseded-by, rule, signals, mechanics
| key | title | status | since | supersedes | superseded-by | rule | signals | mechanics |
|---|---|---|---|---|---|---|---|---|
| release.done-when-merge-consent | 2026-07-12 — Merge-consent derived from state via a `## Done-when` issue checklist (#303 H6) | active | 2026-07-12 | none | none | A PR may merge only when its linked issue's `## Done-when` checklist is fully ticked and the PR's CI is green, enforced by a PreToolUse hook on the Gitea merge tool (deny/allow/ask) plus a pre-push backstop for direct pushes to main. | Done-when checklist, merge consent, state-derived gate · paths: `.claude/settings.json`, `.husky/pre-push` · issues: #303 (H6) | `pretooluse-merge-consent.sh`; `prepush-donewhen.sh`; CLAUDE.md → Task Completion Protocol |
An issue's ## Done-when checklist (in the issue body) is the machine-readable source of truth for whether
its PR may merge; consent is derived, not asserted. Rationale: DONE/OPEN status used to live in
append-only prose that lags live Gitea state (the queue-drift #303 fixes) — so the completion gate moves out
of memory and into a checklist two hooks read. Convention: the issue body carries a ## Done-when section
(always an "adversarial review passed" box, plus per-issue criteria); a merge is allowed only when the PR's CI
is green and every box on the linked issue (fixes #N) is ticked.
Enforcement (both fail safe, never a silent pass):
pretooluse-merge-consent.sh— Claude PreToolUse onmcp__gitea__pull_request_writemerge: deny on an unticked box or non-green CI; allow when both satisfied; ask (human prompt) when state isn't derivable (no linked issue, no## Done-when, no creds, Gitea unreachable). Docs-only PRs exempt..husky/pre-push→prepush-donewhen.sh— backstop for a directgit push origin main; fail-open (a git hook has no "ask"), blocks only on a positively-proven unticked box.
Both authenticate to Gitea from env only (ETV_GITEA_BASICAUTH / ETV_GITEA_TOKEN, ETV_GITEA_URL) — no
creds committed; without them the gate degrades to today's manual confirmation. Rollout is non-breaking: until
issues adopt ## Done-when, the merge hook simply asks rather than auto-allowing. See CLAUDE.md → Task
Completion Protocol. (H6 lives with H1/H2/H8 in .claude/settings.json; H7 worktree-owner guard is its
sibling Wave-2 hook.)