Changes: Preserve incomplete work and blocker metadata for S00-022. This checkpoint does not mark implementation accepted.
Validation: Session ended with status blocked.
Blocker: Pinned libomemo.js@3.0.0 supplies real embedded WASM but is a different unaudited ratchet and excludes consumer SCE; no approved decision reconciles it with S00-022 retained audited engine/persistence requirement.
Task: S00-022
Agent: auto-crypto-bcd7f2a71667
Role: crypto
Action: claim
Status: blocked
Task title: Confirm or source a verified browser/WASM-capable OMEMO2 backend for the Web client endpoint