Add offline proposal assessment observation example

scripts/release-check.sh

@@ -24,6 +24,13 @@ assert result["is_valid"] is True, result
 assert result["validation_status"] == "passed", result
 assert result["model"] == "offline-model", result
 assert result["total_tokens"] == 18, result
+observed = example("observe")
+assert observed["proposal_attempts"] == 2, observed
+assert observed["proposal_transient_retries"] == 1, observed
+assert observed["proposal_usage_complete"] is False, observed
+assert observed["assessment_attempts"] == 1, observed
+assert observed["assessment_transient_retries"] == 0, observed
+assert observed["assessment_outcome"] == "accepted", observed
 PY
 
 unformatted=$(