<!-- task=m-iop-owned-single-request-agent-execution/13+12_workspace_cleanup plan=2 tag=REVIEW_API milestone-task=cleanup-observation -->

# Complete - m-iop-owned-single-request-agent-execution/13+12_workspace_cleanup

## Completion Time

2026-08-07

## Summary

Request-owned workspace cleanup and its canonical terminal regression coverage completed after two reviewed loops with final verdict PASS.

## Loop History

| Plan | Review | Verdict | Notes |
|------|--------|---------|-------|
| `plan_cloud_G09_0.log` | `code_review_cloud_G10_0.log` | N/A | Preliminary pair was superseded during implementation self-review before implementation evidence or a verdict. |
| `plan_cloud_G09_1.log` | `code_review_cloud_G10_1.log` | FAIL | Cleanup behavior passed focused review, but Required R1 found stale canonical cleanup terminal assertions. |
| `plan_cloud_G02_2.log` | `code_review_cloud_G02_2.log` | PASS | Required R1 was resolved with complete canonical-valid coverage, representative contradictory-pair coverage, and fresh verification. |

## Implementation and Cleanup

- Added request-owned Node workspace cleanup with bounded process-group cancellation, inventoried no-follow artifact reclamation, fail-closed unsafe-entry handling, and user-result preservation.
- Gated opened-workspace terminal paths on exactly one typed cleanup before final acknowledgement while preserving existing failure and cancellation categories.
- Synchronized `CleanupTerminal` regression coverage with every canonical cleanup status/code/message triple and representative contradictory pairs without changing production behavior in the follow-up.

## Final Verification

- `test -f agent-task/m-iop-owned-single-request-agent-execution/12+05,06,08,11_internal_tool_loop/complete.log || test "$(compgen -G 'agent-task/archive/*/*/m-iop-owned-single-request-agent-execution/12+05,06,08,11_internal_tool_loop/complete.log' | wc -l)" -eq 1` - PASS; the prerequisite completion evidence is unique.
- `go test ./packages/go/workspaceprotocol -count=1` - PASS; `ok iop/packages/go/workspaceprotocol`.
- `go test -race ./apps/node/internal/workspace -run 'TestWorkspaceCleanup' -count=1` - PASS; focused Node cleanup race coverage passed.
- `go test -race ./apps/node/internal/node ./apps/edge/internal/service -run 'Test(NodeWorkspaceCleanup|SingleRequestCleanup)' -count=1` - PASS; Node handler and Edge coordinator cleanup race coverage passed.
- `go test ./packages/go/workspaceprotocol ./apps/node/internal/workspace ./apps/node/internal/node ./apps/edge/internal/service -count=1` - PASS; all four packages passed fresh.
- `go vet ./packages/go/workspaceprotocol ./apps/node/internal/workspace ./apps/node/internal/node ./apps/edge/internal/service` - PASS; no output.
- `GOOS=darwin GOARCH=arm64 go test -c -o /tmp/iop-workspace-cleanup-darwin.test ./apps/node/internal/workspace` - PASS; Darwin arm64 test binary compiled.
- `rg --sort path -n 'workspace cleanup (unsupported|failed)|CleanupTerminal' packages/go/workspaceprotocol/terminal.go packages/go/workspaceprotocol/terminal_test.go agent-contract/inner/edge-node-runtime-wire.md` - PASS; canonical authority and regression references are synchronized.
- `git diff --check` - PASS; no whitespace errors.

## Residual Nits

- None.

## Follow-up Work

- None for this task. Milestone-level raw-free observation evidence remains outside this packet and is evaluated by runtime aggregation.
