diff --git a/tasks/T13-G2-correction-guard.md b/tasks/T13-G2-correction-guard.md
index e07d2cd..a6e3ea0 100644
--- a/tasks/T13-G2-correction-guard.md
+++ b/tasks/T13-G2-correction-guard.md
@@ -45,3 +45,10 @@ This task does not authorize PC/VPS configuration mutation.
 ## Acceptance
 
 ORCHESTRATOR reviews CORRECTION findings before accepting G2 or opening G3.
+
+## Session Freeze - 2026-05-19 14:46 UTC+8
+
+- Status at freeze: ready.
+- Next owner: CORRECTION.
+- Single next action: monitor G2 guardrails while PC_EXECUTOR performs T9.
+- Block G2 if sync becomes unhealthy, any secret appears, pairing identity is ambiguous, role/workspace mismatches, runbook drift occurs, or freeze-policy risk appears.