1b1a14e972
Adds receipt evidence kind, 422 unprocessable, optional revision on research records, audit_stale on the privacy policy, per-route body caps (25 MiB artifact uploads), promotion checks the project exists, memory rules skip content-free statuses. Handoff ledger covers every Wave A card. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01RNPhwu2bsaRNg3DETSAZoM