Audit "apply high-value": extract four shared helpers into shared/application/ and
rewire the editor stores (behaviour unchanged, existing specs are the gate):
- action-state.ts: ActionState/SaveState (were duplicated in both brief stores).
- history.ts: createHistory<T> (extracted from BriefStore's WP-27 undo/redo; WP-32 reuses).
- debounced-save.ts: createDebouncedSave (the 600ms timer/PendingSave dance, was 2×+).
- machine-remote-data.ts: machineRemoteData (the loading/failed/loaded→RemoteData switch, 3×).
Each helper has a co-located spec. Deferred DDD findings (contracts/ inconsistency, a
parse* traverse combinator, the 6× Seed boilerplate) are reported in the WP file, not built.
npm run ci green; 323 tests (+13 helper specs); brief/org-template/stamdata specs unchanged.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
ehoandClaude Opus 4.8
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