S00-022: Record blocked task and remediation handoff

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

state/blockers/S00-029.md

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+# Blocker S00-029
+
+- Original task: S00-022
+- Root task: S00-004
+- Reporter: auto-crypto-bcd7f2a71667
+- Role: crypto
+- Original owner: auto-crypto-bcd7f2a71667
+- Waits for user/external condition: True
+
+## Cause
+
+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.
+
+## One remediation outcome
+
+One explicit architecture/security/product-owner sourcing decision naming the retained engine browser port or authorizing bounded evaluation of an alternative, with license/support/security-assessment and persistence compatibility requirements, without waiving ENC-003/009/011.
+
+## Evidence / reproduction
+
+npm view libomemo.js@3.0.0 succeeds; pinned tarball README and bundle inspection establish candidate scope, embedded WASM and unaudited/SCE boundaries. Existing wasm-unsupported probe exits 2. See state/evidence/S00-022-auto-crypto-bcd7f2a71667.md.
+
+The reporting agent must stop now. A new agent implements only S00-029.