---
type: topic-doc
area: verifiers
visibility: public
last_memory_sync: 2026-08-31T00:07:01.092515+00:00
---
# Verifiers
## Current model
- COE-553 contributed: PR #236: Add parent execution roots and shared child worktrees (merge `9abff5a`)
- COE-554 contributed: PR #237: feat: add restart-safe parent integration controller (merge `b4e1b67`)
- COE-555 contributed: PR #238: COE-555: Add parent repair review and merge lifecycle (merge `52d3ba3`)
- COE-556 contributed: PR #239: COE-556: Add bottom-up subtree cleanup and recovery (merge `bc471f8`)
- COE-564 contributed: No merged PR source was matched during capture.
- COE-608 contributed: PR #241: feat(acp): add supervised ACP v1 client and launch profiles (merge `70619ec`)
## Important invariants
- Preserve the behavior described in the recent captured changes unless current code and tests show it has changed.
- Use capsule source refs to inspect the original PR or Linear issue when context is ambiguous.
## Operational flow
- No generated diagram requested for this sync.
## Known gotchas
- No area-specific gotchas were inferred from the selected memory.
## Recent changes
- COE-553: Parent Execution Roots And Child Workspace Reuse
- COE-554: Restart-Safe Parent Integration Controller
- COE-555: Parent Repair Review And Merge Lifecycle
- COE-556: Bottom-Up Subtree Cleanup And Recovery
- COE-564: Implement verifier execution and outcome records
- COE-608: ACP Profiles And Executable Protocol Client
- COE-609: ACP Session Ownership And Durable Recovery
- COE-610: ACP Client Callbacks And Session Configuration
- COE-611: ACP Execution Routing And Worker Integration
- COE-612: ACP Operator Requests And Response Routing
- COE-613: ACP Extensions And Harness Operations
- COE-615: ACP Runtime Conformance And Live Qualification
## Source refs
- COE-553
- COE-554
- COE-555
- COE-556
- COE-564
- COE-608
- COE-609
- COE-610
- COE-611
- COE-612
- COE-613
- COE-615