Verify exact task metadata baseline and readback

Assistant: codex
Assistant-Model: gpt-6-astra
Assistant-Session: 01a140c4-354a-7823-8f0d-8f717397f786

scripts/task_execution_mediator.py

@@ -169,12 +169,16 @@ def run_native_fixture_task(*,compiler:Compiler,journal:Journal,plan_request:dic
                 _fresh(secrets_cfg,handoff,descriptor)
                 native.metadata_call(ordinal)
                 result['native_calls_completed']+=1
+            result['readback_evidence_digest']=native.verify_metadata()
+            result['native_apply']='verified'
         except Exception:
             _unknown(journal,binding)
             result['native_apply']='unknown'
         finally:
             result['cleanup_confirmed']=run_cleanup(journal,binding,native)['confirmed']
-        # Native total expected-state normalization/acceptance remains explicitly
-        # absent. Six successful calls cannot be relabelled a verified owner trial.
+        if result['native_apply']=='verified' and result['cleanup_confirmed']:
+            journal.transition(binding,'verified','cleanup-confirmed',result['readback_evidence_digest'])
+        # Readback and cleanup are independent outcomes; no recovery authority
+        # or native compare-and-swap is implied by either fixture result.
         result['business_state']=journal.observe(binding)['state']
         return result