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chore(3536): add changeset fragment for user-facing surfaces

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PR #3540 was originally labeled `no-changelog` on the premise that it
was a pure internal-module refactor. On second look, two surfaces are
actually user-facing and warrant a changelog entry:

  1. New `gsd-tools migrate-config` CLI subcommand — explicit, opt-in
     on-disk migration of legacy-key shapes. Idempotent.
  2. `mergeDefaults` semantic change — recursive deep-merge instead of
     spread-per-section. Preserves sibling keys under partial overlays.
     Strict improvement, but a behavior change.

Adds `.changeset/patient-lemurs-sing.md` (`type: Changed`). The
`no-changelog` label should be removed in tandem with this commit.
This commit is contained in:
Tom Boucher
2026-05-15 08:25:06 -04:00
parent 4b2de40f90
commit 24a992a05c
1 changed files with 5 additions and 0 deletions
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---
type: Changed
pr: 3540
---
**Configuration Module unifies CJS and SDK config sources** — `CONFIG_DEFAULTS`, `VALID_CONFIG_KEYS`, `DYNAMIC_KEY_PATTERNS`, and the four legacy-key migrations (`branching_strategy`, `sub_repos`, `multiRepo`, `depth`) now derive from two canonical manifests (`sdk/shared/config-{defaults,schema}.manifest.json`) via a generator-emitted mirror, eliminating the parallel-definition drift that caused the #1535/#1542/#2047/#2638/#2653/#2687/#2798/#3055/#3523 bug class. `mergeDefaults` now recursively deep-merges instead of spreading per-section, preserving sibling keys under partial overlays. Adds a new opt-in `gsd-tools migrate-config` subcommand for explicit on-disk canonicalization of legacy-key shapes.