1## 1. Validation contract23- [x] 1.1 Add loader and direct-engine fixtures for a custom property/object noun collision, known transforms, loose unknown words, level-local nouns, and properties declared only in another proof.4- [x] 1.2 Validate optional unique `manifest.features` and reject unsupported identifiers with readable upgrade guidance while preserving legacy automata packs.5- [x] 1.3 Implement a pure, bounded warning pass over every word tile using proof-local noun/property sets and authored sentence context.67## 2. Preview and sharing89- [x] 2.1 Return warning records separately from errors in local and shared pack-service preview envelopes.10- [x] 2.2 Keep diagnostics out of installed data, CommonJS exports, and share payloads; verify v1 automata links remain usable.11- [x] 2.3 Render the design-approved Gift NOTE summary/details and Workshop notes chip/action, with accessible and copyable diagnostics.1213## 3. Verification and release1415- [x] 3.1 Run Node and browser checks for local import, shared Gift, core play, rule edits, and Undo; verify Clockwork's current pack still loads.16- [x] 3.2 Strictly validate and archive OpenSpec, commit in focused units, and update the stable public preview after design review.