55604e9124
* fix(#1906): require node-test clean-fixture causation control The node-test fail-first proof accepted a deceptive content-independent negative test — one that reds merely because GSD_PROHIB_SUBJECT is set, ignoring the subject's content — whenever no cleanFixture was supplied, because #1346's causation control was opt-in. The proof's observed signal (RED) thus diverged from its target (RED caused by content) by default. Make the causation control mandatory for the node-test kind: a descriptor that omits cleanFixture is un-provable (fail-closed), never accepted under the weaker violation-only proof. When a clean fixture is present, fail-first is proven exactly as before (RED on violation AND non-vacuous GREEN on clean). The lint-rule kind is unchanged (its subject IS the linted file; no GSD_PROHIB_SUBJECT indirection). Breaking (Hyrum): a previously-green node-test prohibition with no clean fixture now hard-gates — blast radius is zero in-tree (no node-test prohibition ships today; only the lint-rule local/no-source-grep dogfood). Supersedes ADR-1606 Decision 4 / ADR-550 #1346 addendum's opt-in. Closes #1906 Claude-Session: https://claude.ai/code/session_017vYn26e3nkDNxcpty1ciPJ * docs(#1906): supersede the #1346 opt-in causation control (mandatory for node-test) Record the node-test mandatory-causation-control supersede across the governing surfaces: - ADR-1606 (the enforcement decision-of-record): addendum + Decision 4 annotated + the "Mandatory causation control — REJECTED" alternative flipped to accepted (premise no longer holds: zero in-tree node-test consumers). - ADR-550: the 2026-06-21 #1346 "Why opt-in, not required" paragraph marked SUPERSEDED, pointing at ADR-1606. - spec-phase.md: check_clean_fixture is now REQUIRED for node-test (was "optional"). - CONTEXT.md: PROHIB.enforce.causation predicate updated. Regenerated the shipped-artifact cascade from the spec-phase.md edit (+149 B, well under the 40960 cap): 16 golden-install-parity fixtures and the workflow size baseline. Refs #1906 Claude-Session: https://claude.ai/code/session_017vYn26e3nkDNxcpty1ciPJ
Changeset Fragments
This directory holds per-PR CHANGELOG fragments. Every PR with user-facing changes drops one (or more) <random-name>.md files here describing its CHANGELOG entry. Fragments are consolidated into the top-level CHANGELOG.md at release time.
Why
Two PRs that both edit the ### Fixed block of CHANGELOG.md always conflict on merge — git can't pick a serialization order without human input. Two PRs that each add a fresh .changeset/<unique-name>.md never conflict because they don't share lines.
See #2975 for the full rationale.
Adding a fragment
node scripts/changeset/new.cjs \
--type Fixed \
--pr 1234 \
--body "fix the thing — explain the user-visible change in one sentence"
This writes .changeset/<adjective>-<noun>-<noun>.md with frontmatter and a body. Three random words → concurrent PRs don't collide.
Format
---
type: Fixed
pr: 1234
---
**`/gsd-foo` no longer drops trailing slashes** — explain the user-visible change.
Allowed type: values follow Keep a Changelog: Added, Changed, Deprecated, Removed, Fixed, Security.
Opting out
PRs that legitimately have no user-facing impact can add the no-changelog label. CI honors it. When unsure, add the fragment.
At release time
Promotion is automatic. The release workflow's finalize job runs:
node scripts/changeset/cli.cjs render --version vX.Y.Z --date YYYY-MM-DD --allow-empty
This reads every fragment, groups bullets by type:, replaces ## [Unreleased] with a new ## [vX.Y.Z] - YYYY-MM-DD block, opens a fresh ## [Unreleased] above, and deletes consumed fragments. The --allow-empty flag ensures a no-change release still gets a dated heading (with a _No notable changes._ placeholder). A subsequent verify step confirms the promotion landed correctly. Maintainers do not run this by hand.
Archived fragments
.changeset/archived/ holds fragments for already-shipped releases (≤ 1.3.1), retained for provenance. Their content was hand-curated into the dated ## [1.x.y] sections of CHANGELOG.md during the #690 backfill — they were never consumed by render. All changeset tooling enumerates .changeset/ non-recursively, so archived fragments are never picked up or rendered. Do not move them back to the top level.