Record the Notarius testing overlay implementation for review

docs/roadmap/implementation.md

@@ -248,6 +248,11 @@ Push the completed collection and record its full final ID as COLLECTION.
 
 ## Stage 5: Update Consumer Pins and Record Review Handoff
 
+Completion: complete — consumer commit
+`0ced48c99010772b2cbf9a2df5eb694af6ae77f6` is published on `origin/main`;
+public dependency installation, target-only host listing, syntax checking, and
+`git diff --check` passed. The workspace review handoff is recorded by this change.
+
 ### Required Policy Review
 
 Read `AGENTS.md`, `docs/orientation.md`, `docs/conventions.md`,
@@ -301,7 +306,19 @@ any complexity added beyond the planned declarative tasks and its requirement.
 
 ## Progress Notes
 
-Implementation plan approved by the user; implementation has not started.
+- NARRATIO_ROLE: `330afe7856da94b2402a75447f4b60aba767843f`
+- NOTARIUS_ROLE: `a82a83dfc23bb80a59f45f94f78d6754c47285e7`
+- PIPELINE_ROLE: `c56a9425d30ef714166f1ff7675b202590f86425`
+- Collection subtree merge: `b6d7130046e25c7551e1412e805a28460f841900`
+- COLLECTION: `ce5b838d95050f7e6c0fde4d483d269daf5d6e0a`
+- Consumer: `0ced48c99010772b2cbf9a2df5eb694af6ae77f6`
+- Full integration suites passed in the Narratio, Notarius, pipeline, and
+  collection repositories. The collection subtree tree matched the source
+  pipeline tree. The consumer installed the public manifest into isolated
+  paths and passed target-only host listing and syntax checking.
+- Feature 0017 remains `in_progress` pending independent review. No operational
+  controller deployment, target connection, credential provisioning, or paid
+  inference was performed or claimed.
 
 ## Open Questions