Add a Nuoshuitong documentation set covering the implementation checklist, split interface spec notes, normalized enums, and database/DDL guidance so follow-on integration can start from a consistent source of truth.
Constraint: Current phase is documentation-first and must not require backend/frontend code changes
Rejected: Merge the material directly into formal master design docs now | would broaden scope before the integration model and dialect strategy are reviewed
Directive: Treat these guides as integration-layer inputs until they are reconciled with formal technical design masters
Confidence: high
Scope-risk: moderate
Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>
tangweijie
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