Breezing — Team Execution Mode (Codex Host)

breezing                        # スコープを聞いてから実行
breezing all                    # resolved backend で ready task を完走（配布既定は claude、現環境は user config で cursor 可）
breezing 3-6                    # resolved backend でタスク3〜6を完走
breezing composer 2.5 all       # 自然言語 trigger: cursor backend として扱う
breezing --backend cursor all    # Cursor worker backend を明示
breezing --backend claude all    # Codex native spawn_agent worker を明示
breezing --codex all             # Codex CLI worker backend を明示
breezing --cursor all            # Cursor worker backend を明示
breezing --max-workers 2 all     # ready task の同時 spawn 上限を2に
breezing --max-workers 1 all     # 旧来の直列挙動に戻す
breezing --no-discuss all       # 計画議論スキップで全タスク完走

bash "${HARNESS_PLUGIN_ROOT}/scripts/resolve-impl-backend.sh"

breezing [scope] [--backend claude|codex|cursor] [--max-workers N] [--no-discuss]
    │
    ↓ Load harness-work --breezing
    │
Phase 0: Planning Discussion (--no-discuss でスキップ)
Phase A: Pre-delegate（チーム初期化 + worktree 準備）
Phase B: Delegate（resolver-selected worker + 必要時 Advisor + companion review レビュー）
Phase C: Post-delegate（統合検証 + Plans.md 更新 + commit）

for task in execution_order:
    # B-0. 作業ディレクトリ分離
    worktree_path = "/tmp/worker-{task.number}-$$"
    branch_name = "worker-{task.number}-$$"
    git worktree add -b {branch_name} {worktree_path}
    TASK_BASE_REF = git rev-parse HEAD

    # B-1. sprint-contract を生成
    contract_path = bash("node \"${HARNESS_PLUGIN_ROOT}/scripts/generate-sprint-contract.js\" {task.number}")
    contract_path = bash("scripts/enrich-sprint-contract.sh {contract_path} --check \"DoD を reviewer 観点で確認\" --approve")
    bash("scripts/ensure-sprint-contract-ready.sh {contract_path}")

    # B-2. Worker 委託
    Plans.md: task.status = "cc:WIP"

    resolver_backend_arg = ""
    if explicit_backend_value in ["claude", "codex", "cursor"]:
        resolver_backend_arg = "--backend {explicit_backend_value}"
    backend = bash("bash \"${HARNESS_PLUGIN_ROOT}/scripts/resolve-impl-backend.sh\" {resolver_backend_arg}")
    if explicit_flag == "--cursor":
        backend = "cursor"
    if explicit_flag == "--codex":
        backend = "codex"

    if backend == "cursor":
        print("🚀 cursor / $(bash \"${HARNESS_PLUGIN_ROOT}/scripts/model-routing.sh\" --host cursor --role worker --field model) / {branch_name} / {task.ID}")
        companion_prompt = "{task prompt}\n\nAfter making changes, create exactly one git commit in this worktree before returning."
        companion_output = bash("bash \"${HARNESS_PLUGIN_ROOT}/scripts/cursor-companion.sh\" task --write --workspace {worktree_path} \"{companion_prompt}\"")
        latest_commit = git("-C", worktree_path, "rev-parse", "HEAD")
        if git("-C", worktree_path, "status", "--porcelain") != "":
            git("-C", worktree_path, "add", "-A")
            git("-C", worktree_path, "-c", "user.name=cursor-composer", "-c", "user.email=cursor-composer@local", "commit", "--no-verify", "-m", "cursor: breezing delegated change")
            latest_commit = git("-C", worktree_path, "rev-parse", "HEAD")
        if latest_commit == TASK_BASE_REF:
            raise EscalationError("cursor companion produced no commit")
        worker_result = {type: "companion-result.v1", baseCommit: TASK_BASE_REF, commit: latest_commit, worktreePath: worktree_path, branch: branch_name, files_changed: git("-C", worktree_path, "diff", "--name-only", "{TASK_BASE_REF}..HEAD"), summary: companion_output}
        worker_id = null
    elif backend == "codex":
        companion_prompt = "{task prompt}\n\nAfter making changes, create exactly one git commit in this worktree before returning."
        companion_state_file = "{worktree_path}/.claude/state/codex-primary-environment.json"
        companion_output = bash("CODEX_MODEL_TIER=worker HARNESS_CODEX_PRIMARY_ENV_STATE_FILE={companion_state_file} bash \"${HARNESS_PLUGIN_ROOT}/scripts/codex-companion.sh\" task --write -C {worktree_path} \"{companion_prompt}\"")
        latest_commit = git("-C", worktree_path, "rev-parse", "HEAD")
        if latest_commit == TASK_BASE_REF:
            raise EscalationError("codex companion produced no commit")
        worker_result = {type: "companion-result.v1", baseCommit: TASK_BASE_REF, commit: latest_commit, worktreePath: worktree_path, branch: branch_name, files_changed: git("-C", worktree_path, "diff", "--name-only", "{TASK_BASE_REF}..HEAD"), summary: companion_output}
        worker_id = null
    else:
        print("🚀 claude / native-subagent / {branch_name} / {task.ID}")
        worker_id = spawn_agent({
            agent_type: "worker",
            message: "作業ディレクトリ: {worktree_path} で作業してください。\n\nタスク: {task.内容}\n目的と理由: {purpose_and_why}\n担当範囲: {owned_paths_and_non_goals}\nDoD: {task.DoD}\nplan/spec: {selected_plan_and_spec_paths}\ncontract_path: {contract_path}\n証拠と前回結果: {evidence_and_prior_advice}\n原依頼と承認の参照: {authorization_references}\n\n担当範囲で方法を選び、他担当の変更を戻さず、承認済み作業を完了してください。完了後 git commit してください。\n\n完了時、以下の JSON を返してください。summary に判断理由、チェックの実結果と証拠の参照、未確認点を含めてください:\n{\"commit\": \"<hash>\", \"files_changed\": [...], \"summary\": \"...\"}",
            fork_turns: "3"
        })
        worker_result = wait_agent({ targets: [worker_id] })

    # B-3. Worker が advice request を返した時だけ、Lead が Advisor を呼ぶ
    if backend == "claude" and worker_result.type == "advisor-request.v1":
        advisor_id = spawn_agent({
            agent_type: "default",
            message: worker_result.request_json
        })
        advisor_result = wait_agent({ targets: [advisor_id] })
        close_agent({ target: advisor_id })
        send_input({
            target: worker_id,
            message: "advisor-response.v1: {advisor_result}"
        })
        worker_result = wait_agent({ targets: [worker_id] })

    # B-4. Lead がレビュー実行（TASK_BASE_REF 起点）
    # 公式プラグイン companion review を使用（harness-work の「レビューループ」参照）:
    #   bash "${HARNESS_PLUGIN_ROOT}/scripts/codex-companion.sh" review --base {TASK_BASE_REF}
    #   → verdict マッピング: approve→APPROVE, needs-attention→REQUEST_CHANGES
    VERDICT = review_task(worktree_path, TASK_BASE_REF)  # static review（harness-work 参照）
    PROFILE = jq(contract_path, ".review.reviewer_profile")
    BROWSER_MODE = jq(contract_path, ".review.browser_mode // \"scripted\"")
    REVIEW_INPUT = "review-output.json"
    if PROFILE == "runtime":
        # worktree 内で runtime checks を実行
        REVIEW_INPUT = bash("cd {worktree_path} && scripts/run-contract-review-checks.sh {contract_path}")
        RUNTIME_VERDICT = jq(REVIEW_INPUT, ".verdict")
        if RUNTIME_VERDICT == "REQUEST_CHANGES":
            VERDICT = "REQUEST_CHANGES"
        elif RUNTIME_VERDICT == "DOWNGRADE_TO_STATIC":
            REVIEW_INPUT = "review-output.json"  # static review にフォールバック
    if PROFILE == "browser":
        # browser artifact は PENDING_BROWSER scaffold。reviewer agent が後続で実行。
        BROWSER_ARTIFACT = bash("scripts/generate-browser-review-artifact.sh {contract_path}")
        # REVIEW_INPUT は static review のまま維持
    if REVIEW_INPUT != "review-output.json" and jq(REVIEW_INPUT, ".verdict") == "DOWNGRADE_TO_STATIC":
        REVIEW_INPUT = "review-output.json"
    bash("scripts/write-review-result.sh {REVIEW_INPUT} {commit_hash}")

    # B-5. 修正ループ（REQUEST_CHANGES 時、contract の max_iterations まで）
    review_count = 0
    # sprint-contract が存在するときのみ max_iterations を読む。存在しない場合は 3（後方互換）
    MAX_REVIEWS = read_contract(contract_path, ".review.max_iterations") or 3
    while VERDICT == "REQUEST_CHANGES" and review_count < MAX_REVIEWS:
        if backend == "claude":
            send_input({
                target: worker_id,
                message: "指摘内容: {issues}\n元の目的、DoD、担当範囲、承認を維持し、対応と検証証拠を返してください。修正して git commit --amend してください。修正後 JSON を再出力してください。"
            })
            wait_agent({ targets: [worker_id] })
        elif backend == "cursor":
            previous_commit = git("-C", worktree_path, "rev-parse", "HEAD")
            bash("bash \"${HARNESS_PLUGIN_ROOT}/scripts/cursor-companion.sh\" task --write --workspace {worktree_path} \"{task prompt}\n\nReview findings:\n{issues}\n\nPreserve the original DoD, owned scope and authorization references. Fix the findings and create one new git commit before returning.\"")
            latest_commit = git("-C", worktree_path, "rev-parse", "HEAD")
            if git("-C", worktree_path, "status", "--porcelain") != "":
                git("-C", worktree_path, "add", "-A")
                git("-C", worktree_path, "-c", "user.name=cursor-composer", "-c", "user.email=cursor-composer@local", "commit", "--no-verify", "-m", "cursor: breezing review fix")
                latest_commit = git("-C", worktree_path, "rev-parse", "HEAD")
            if latest_commit == previous_commit:
                raise EscalationError("cursor companion retry produced no new commit")
        else:
            previous_commit = git("-C", worktree_path, "rev-parse", "HEAD")
            companion_state_file = "{worktree_path}/.claude/state/codex-primary-environment.json"
            bash("CODEX_MODEL_TIER=worker HARNESS_CODEX_PRIMARY_ENV_STATE_FILE={companion_state_file} bash \"${HARNESS_PLUGIN_ROOT}/scripts/codex-companion.sh\" task --write -C {worktree_path} \"{task prompt}\n\nReview findings:\n{issues}\n\nPreserve the original DoD, owned scope and authorization references. Fix the findings and create one new git commit before returning.\"")
            latest_commit = git("-C", worktree_path, "rev-parse", "HEAD")
            if latest_commit == previous_commit:
                raise EscalationError("codex companion retry produced no new commit")
        VERDICT = review_task(worktree_path, TASK_BASE_REF)
        review_count++

    # B-6. Worker 終了
    if backend == "claude":
        close_agent({ target: worker_id })

    # B-7. 結果処理
    if VERDICT == "APPROVE":
        commit_hash = git("-C", worktree_path, "rev-parse", "HEAD")
        git cherry-pick --no-commit {TASK_BASE_REF}..{commit_hash}
        git commit -m "{task.内容}"
        Plans.md: task.status = "cc:完了 [{short_hash}]"
    else:
        → ユーザーにエスカレーション（Plans.md は cc:WIP のまま）
        → 後続タスクも停止

    # B-8. Worktree クリーンアップ
    git worktree remove {worktree_path}
    git branch -D {branch_name}

    # B-9. Progress feed
    print("📊 Progress: Task {completed}/{total} 完了 — {task.内容}")

# 独立タスク A, B を並列 spawn（各自 worktree 分離済み）
worker_a = spawn_agent({ agent_type: "worker", message: "作業ディレクトリ: /tmp/worker-a-$$ ...", fork_turns: "3" })
worker_b = spawn_agent({ agent_type: "worker", message: "作業ディレクトリ: /tmp/worker-b-$$ ...", fork_turns: "3" })

# 各 Worker の完了を個別に待ち → レビュー → cherry-pick（直列）
# wait_agent は最初の1つを返すので、残りの Worker はまだ動作中
for worker_id in [worker_a, worker_b]:
    wait_agent({ targets: [worker_id] })    # この Worker の完了を待つ
    VERDICT = review_task(worktree_path, TASK_BASE_REF)  # harness-work 参照
    # 修正ループ（必要なら）...
    close_agent({ target: worker_id })
    if VERDICT == "APPROVE":
        cherry-pick → Plans.md 更新

{
  "commit": "a1b2c3d",
  "files_changed": ["src/foo.ts", "tests/foo.test.ts"],
  "summary": "foo モジュールに bar 機能を追加"
}

📊 Progress: Task 1/5 完了 — "harness-work に失敗再チケット化を追加"
📊 Progress: Task 2/5 完了 — "harness-sync に --snapshot を追加"