Complete pre-1.0 release hardening

docs/architecture.md

@@ -100,6 +100,7 @@ internal/framework/proposals/
   apply.go
 
 internal/framework/runner/
+  observability.go
   runner.go
 
 internal/framework/proposal_generation/
@@ -149,6 +150,18 @@ internal/framework/llm/
   scheduler.go
   effective_config.go
   diagnostics.go
+
+internal/framework/responseschema/
+  registry.go
+  registry_test.go
+
+internal/cli/
+  review_artifacts.go
+  parity_test.go
+  release_fixtures_test.go
+  testdata/
+    parity/
+    release/
 ```
 
 ## Current CLI behavior
@@ -771,6 +784,7 @@ Implemented tests currently cover:
 - default full-pipeline runtime shape and ordering (`internal/cli/run_test.go`, `cmd/audita/main_integration_test.go`, `internal/cli/parity_test.go`)
 - subprocess operational hardening behavior including large-input, failure-mode, timeout/cancellation, backend-failure, and partial-progress paths (`cmd/audita/main_integration_test.go`)
 - report/diagnostics redaction and artifact-shape behavior across success and failure paths (`internal/cli/run_test.go`, `cmd/audita/main_integration_test.go`)
+- curated release-fixture and idempotence-oriented readiness checks using fake structured LLM responses (`internal/cli/release_fixtures_test.go`, `internal/cli/testdata/release`)
 
 ## Operational hardening status
 The runtime now includes hardened subprocess behavior for parent-process callers: