<!-- task=m-iop-owned-single-request-agent-execution/04+03_stream_terminal plan=1 tag=API milestone-task=stream-terminal -->

# Code Review Reference - API

> **[IMPLEMENTING AGENT — READ FIRST] Filling in this file is the mandatory final step of implementation.**
> The task is NOT complete until every implementation-owned section below is filled in.
> Complete the `Implementation Checklist`; the final checklist item is mandatory before saving.
> Fill implementation-owned sections, then stop with active files in place and report ready for review.
> Execute the plan's selected root cause, scope, files, and dependency decisions as written. Do not choose another owner, narrow/expand the write boundary, or replace a fix with another verification attempt.
> If implementation is blocked, record the exact blocker, attempted commands/output, and resume condition only in implementation-owned evidence fields.
> Do not ask the user directly, present choices, call user-input tools, create control-plane stop files, or classify the next state.
> Finalization (`Code Review Result`, log rename, `complete.log`, archive moves, `Review-Only Checklist`) is review-agent-only, even after compaction/resume.
> Follow the ownership table at the bottom of this file for which sections you own.

## Overview

date=2026-08-06
task=m-iop-owned-single-request-agent-execution/04+03_stream_terminal, plan=1, tag=API

## Archive Evidence Snapshot

- Superseded pair: `plan_cloud_G09_0.log`, `code_review_cloud_G10_0.log`.
- The superseded pair contained no implementation evidence or review verdict; implementation has not started.
- Self-review correction: the closed public phase set now includes defect/repair (`repairing`) progress required by the SDD, and Edge vet coverage is restored. The isolated endpoint projector ownership remains valid.

## For the Review Agent

> **[REVIEW AGENT ONLY]** The finalization steps below are review-agent only. Implementing agents must not execute this section.

Compare implementation of each item against source files and verify that output in `Verification Results` matches code.
Review completion means the following steps are finished:

1. Append verdict and `review_rework_count` / `evidence_integrity_failure` routing signals.
2. Archive `CODE_REVIEW-cloud-G10.md` → `code_review_cloud_G10_1.log` and `PLAN-cloud-G09.md` → `plan_cloud_G09_1.log`.
3. If PASS, write `complete.log` and move active task directory to `agent-task/archive/YYYY/MM/m-iop-owned-single-request-agent-execution/04+03_stream_terminal/`. If WARN/FAIL, fully write the next filesystem state required by the code-review skill.
4. If PASS, preserve `milestone-task=stream-terminal` in `complete.log` and report it for runtime aggregation. Roadmap state evaluation belongs to `sync-milestone-workstate`.
5. Check applicable `Review-Only Checklist` items at the final `.log` location before reporting.

---

## Implementation Item Completion

| Item | Status |
|------|--------|
| API-1 Add a privacy-closed Anthropic stream projector | [ ] |
| API-2 Pump coordinator progress and liveness on the same request | [ ] |
| API-3 Synchronize SSE and compatibility contracts | [ ] |

## Implementation Checklist

- [ ] Implement a serialized single-request Anthropic SSE projector with one envelope, fixed plan/work/review/repair summaries, liveness ping, final text/error, and exactly-once terminal ownership.
- [ ] Integrate it only with the marked coordinator stream, stop and join liveness before terminal/return, acknowledge service completion only after the one wire terminal succeeds, and prove one POST plus no private wire across fragmented multi-stage and repair events.
- [ ] Preserve ordinary Anthropic/Hot Path behavior and synchronize the outer contract and current specs without expanding generic Stream Evidence Gate semantics.
- [ ] Run dependency, exact-wire race, package, vet, full Edge/streamgate regression, and `git diff --check` verification.
- [ ] Fill implementation-owned sections in CODE_REVIEW-*-G??.md with actual implementation notes and verification output.

## Review-Only Checklist

> **[REVIEW AGENT ONLY]** This checklist is used only by the review agent.
> Implementing agents must not modify or check this section.

- [ ] Append one verdict of `PASS`, `WARN`, or `FAIL` and verified `review_rework_count`, `evidence_integrity_failure` to `Code Review Result`.
- [ ] Verify that verdict, `Dimension Assessment`, and Required/Suggested/Nit classifications match.
- [ ] Archive active `CODE_REVIEW-*-G??.md` to `code_review_cloud_G10_1.log`.
- [ ] Archive active `PLAN-*-G??.md` to `plan_cloud_G09_1.log`.
- [ ] Verify that the Agent-Ops managed block in `.gitignore` unignores `agent-task/**/*.md` and `agent-task/**/*.log` and ignores `agent-roadmap/current.md`.
- [ ] If PASS, write `complete.log` based on `agent-ops/skills/common/code-review/templates/complete-log-template.md` and leave no active `.md` files.
- [ ] If PASS, move active task directory `agent-task/m-iop-owned-single-request-agent-execution/04+03_stream_terminal/` to `agent-task/archive/YYYY/MM/m-iop-owned-single-request-agent-execution/04+03_stream_terminal/` and update this checklist at the final archive path.
- [ ] If PASS, preserve and report `milestone-task=stream-terminal` for runtime aggregation, without modifying roadmap or directly calling `update-roadmap`.
- [ ] If PASS for split work, remove empty active parent `agent-task/m-iop-owned-single-request-agent-execution/` or verify it was kept due to remaining siblings/files.
- [ ] If WARN/FAIL, write the next filesystem state matching code-review verdict and do not write `complete.log`.

## Deviations from Plan

_Record any deviations from the plan and the rationale here._

## Key Design Decisions

_Record key design decisions here._

## Reviewer Checkpoints

- Packet 03 completion evidence existed before implementation and its exact public event types were reused.
- Closed progress includes defect/repair and rejects unknown/arbitrary strings.
- One lock owns block indices, pings, flushes, and terminal selection.
- Ping worker is stopped and joined before terminal/return; post-terminal bytes never change.
- Service completion is acknowledged only after `message_stop`; write failure/disconnect cannot also complete.
- Exact wire contains no reasoning, tool/provider/route/credential/workspace/raw-command sentinels.
- Ordinary Anthropic/Hot Path and Stream Evidence Gate behavior is unchanged.

## Verification Results

### Dependency

Command: `test -f agent-task/m-iop-owned-single-request-agent-execution/03+02_single_ingress/complete.log || find agent-task/archive -type f -path '*/m-iop-owned-single-request-agent-execution/03+02_single_ingress/complete.log' -print | sort | grep -q .`

_Actual output/status:_

### Exact-wire and terminal race

Command: `go test -race ./apps/edge/internal/openai -run 'TestSingleRequestAnthropicStream' -count=1`

_Actual output:_

### Integration and compatibility

Command: `go test ./apps/edge/internal/openai -run 'Test(AnthropicSingleRequestStreaming|AnthropicSingleRequestStream|HotPathAnthropic)' -count=1`

_Actual output:_

### Documentation

Command: `rg --sort path -n 'single-request|repair|event: ping|message_start|message_stop|private|tool_use' agent-contract/outer/anthropic-compatible-api.md agent-spec/input/openai-compatible-surface.md agent-spec/runtime/stream-evidence-gate.md`

_Actual output:_

### Final regression

Commands:

- `go test -race ./apps/edge/internal/openai -count=1`
- `go vet ./apps/edge/...`
- `go test ./apps/edge/... ./packages/go/streamgate/... -count=1`
- `git diff --check`

_Actual output:_

---

> **[IMPLEMENTING AGENT — BEFORE SAVING] Have you filled in every implementation-owned section?**
> If anything is blank, go back and fill it in before saving this file.
> Leave review-agent-only sections unchanged.

## Section Ownership

| Section | Owner | Note |
|---------|-------|------|
| Header comment, Overview, Review Agent Instructions | Fixed at stub creation | Implementing agent must not modify or execute these (archive, complete.log, and task-directory archive move are review-agent only) |
| Archive Evidence Snapshot | Fixed at stub creation from plan when present | Implementing agent uses it as default prior-loop context; read only the specific archive files cited there when more detail is required |
| Implementation Item Completion (item names) | Fixed at stub creation | Implementing agent checks `[ ]` → `[x]` only |
| Implementation Checklist (item text/order) | Fixed at stub creation from plan | Implementing agent checks `[ ]` → `[x]` only |
| Review-Only Checklist | Review agent only | Implementing agent must not modify or check this section |
| Deviations from Plan, Key Design Decisions | Implementing agent | Replace placeholder text with actual content |
| Reviewer Checkpoints | Fixed at stub creation | Pre-filled from plan |
| Verification Results (section headings + commands) | Fixed at stub creation | Implementing agent fills in command output only; command changes require a `Deviations from Plan` entry |
| Code Review Result | Review agent appends | Not included in stub |
