I have enough information to evaluate the slice. Let me craft the final review.## SummaryPASSThe slice design is well-aligned with the 900-arch.maintenance-and-refactoring initiative. It packages three focused, independently deliverable maintenance/bug-fix items, respects existing layer boundaries, and does not introduce new feature scope. The design correctly identifies the tool-binding contract change as the central architectural work, reuses the established `Message.metadata` telemetry channel, and defers the unrelated command-install bug in a self-contained way. Minor notes are present, but no architectural concerns rise to the level that blocks progress.## Findings### [PASS] Scope fits the maintenance initiativecategory: scope-alignmentlocation: project-documents/user/slices/918-slice.review-grounding.md#The-problem-in-one-paragraphThe three items (tool jail exclusions, stop-reason instrumentation, receipt-based command install) are all bug fixes / operational improvements that span multiple subsystems. They map cleanly onto the architecture's listed work types: bug fixes, operational improvements, and tooling/developer-experience fixes. The document explicitly excludes new features, semantic verification, and unrelated dependency cleanup, which keeps the scope within the maintenance container.### [PASS] Boundary and dependency directions are correctcategory: layer-boundarieslocation: project-documents/user/slices/918-slice.review-grounding.md#Part-1--Jail-exclusions-for-document-reviewsThe design keeps the provider layer agnostic: the agent receives an opaque jail specification rather than review-template concepts, preserving the rule that the generic OpenAI provider must not know what a review type is. The per-template exclusion is declared in `ReviewTemplate` and resolved in `review_client`, which is the correct dependency direction (review layer → tool layer, not vice versa).### [PASS] Reuses established integration channels instead of inventing new onescategory: integration-pointslocation: project-documents/user/slices/918-slice.review-grounding.md#Part-2--Stop-reason-evidence-on-every-reviewPart 2 correctly rides the existing tool-telemetry channel (`final Message.metadata`) used by slice 265, and lands evidence in the already-introduced Run Digest rather than adding new frontmatter or return types. This matches the consuming/producing slice expectations and avoids contract drift with downstream artifact consumers.### [NOTE] Part 3 is logically unrelated to Parts 1 and 2category: scope-cohesionlocation: project-documents/user/slices/918-slice.review-grounding.md#Part-3--Receipt-based-command-installThe document acknowledges that Part 3 is unrelated to the review-grounding theme and is included only because it is small, contained, and prevents user data loss. This is not a violation of the architecture, which explicitly allows small, independently deliverable slices, but it slightly stretches the single-slice cohesion ideal noted in the parent guidelines. The justification is reasonable for a maintenance slice.