fix(quality): record current-tree trust boundary

docs/remediation/GATE-CLAIMS.md

@@ -16,6 +16,14 @@ This index binds remediation claims that live in orchestrator-owned `TASKS.md` w
 - Source: `docs/remediation/TASKS.md`, heading `D-19 — an integrity property that cannot exist at the layer it was specified`.
 - Anchored text: “a verifier that cannot detect the attack is not a verifier.”
 
+## Execution trust boundary
+
+<!-- GATE-CLAIM:EXECUTION-TRUST-BOUNDARY -->
+
+- Source: RM-02 ruling recorded under `docs/remediation/TASKS.md`, RM-02 clause 4, D-25.
+- Anchored text: “SELF-VERIFICATION BY THE AUDITED PARTY IS NOT VERIFICATION.”
+- Dependency: RM-60/#1031, cross-referenced with RM-59.
+
 ## Criterion restatement provenance
 
 <!-- GATE-CLAIM:CRITERION-RESTATEMENT -->