style: fix ruff whitespace warnings

Extract helper functions _supplement_executing and _supplement_completed
to flatten the nested conditional logic. This improves readability and
makes the code easier to test and maintain.

Addresses code review finding: supplement_decision_logs nested complexity

backend/agenteval/intelligent_eval/decision_logs.py

@@ -130,47 +130,16 @@ def list_decision_logs(eval_id: str, session: Session) -> list[dict]:
     return [_log_to_dict(log) for log in logs]
 
 
-def supplement_decision_logs(session: Session) -> int:
-    """Platform audit backfill for decision logs.
-
-    方案③的决策日志由 OpenClaw agent 上报（LLM 自主，尽力而为）——异常路径
-    （如卡死恢复后重试）agent 可能跳过上报，导致决策过程页面为空。这里按评估
-    状态推导决策并补录：
-
-    - EXECUTING：欠账（completed < estimated）补 execute_session，所有会话
-      完成后补 start_analysis。
-    - COMPLETED：历史评估/异常路径可能完全没有决策日志，回填 execute_session
-      （按 plan 时段逐条）+ start_analysis，让旧报告也有决策过程可看。
-
-    只补"该类型缺失"的，不重复；且只记录状态，不改变 agent 的实际执行。
-
-    Returns:
-        补录的决策日志条数。
-    """
-    evals = session.exec(
-        select(IntelligentEvalDB).where(
-            IntelligentEvalDB.status.in_(
-                [
-                    IntelligentEvalStatus.EXECUTING.value,
-                    IntelligentEvalStatus.COMPLETED.value,
-                ]
-            )
-        )
-    ).all()
-
+def _supplement_executing(
+    ev: IntelligentEvalDB,
+    sessions: list,
+    completed: int,
+    estimated: int,
+    types: set[str],
+    session: Session,
+) -> int:
+    """Supplement decision logs for EXECUTING evals."""
     added = 0
-    for ev in evals:
-        plan = ev.get_plan() if ev.plan else {}
-        estimated = plan.get("estimated_sessions", 0)
-        sessions = session.exec(select(IntelligentEvalSessionDB).where(IntelligentEvalSessionDB.eval_id == ev.id)).all()
-        completed = sum(1 for s in sessions if s.status == "completed")
-        types = {
-            x.decision_type
-            for x in session.exec(
-                select(IntelligentEvalDecisionLogDB).where(IntelligentEvalDecisionLogDB.eval_id == ev.id)
-            ).all()
-        }
-        if ev.status == IntelligentEvalStatus.EXECUTING.value:
     if "execute_session" not in types and completed < estimated:
         _append_row(
             ev.id,
@@ -191,8 +160,20 @@ def supplement_decision_logs(session: Session) -> int:
             session,
         )
         added += 1
-        elif ev.status == IntelligentEvalStatus.COMPLETED.value:
-            # 历史回填：completed 评估决策日志全缺失时，按时段补 execute_session
+    return added
+
+
+def _supplement_completed(
+    ev: IntelligentEvalDB,
+    sessions: list,
+    completed: int,
+    estimated: int,
+    plan: dict,
+    types: set[str],
+    session: Session,
+) -> int:
+    """Supplement decision logs for COMPLETED evals (historical backfill)."""
+    added = 0
     if "execute_session" not in types:
         slots = plan.get("time_distribution") or []
         if slots:
@@ -233,3 +214,54 @@ def supplement_decision_logs(session: Session) -> int:
         )
         added += 1
     return added
+
+
+def supplement_decision_logs(session: Session) -> int:
+    """Platform audit backfill for decision logs.
+
+    方案③的决策日志由 OpenClaw agent 上报（LLM 自主，尽力而为）——异常路径
+    （如卡死恢复后重试）agent 可能跳过上报，导致决策过程页面为空。这里按评估
+    状态推导决策并补录：
+
+    - EXECUTING：欠账（completed < estimated）补 execute_session，所有会话
+      完成后补 start_analysis。
+    - COMPLETED：历史评估/异常路径可能完全没有决策日志，回填 execute_session
+      （按 plan 时段逐条）+ start_analysis，让旧报告也有决策过程可看。
+
+    只补"该类型缺失"的，不重复；且只记录状态，不改变 agent 的实际执行。
+
+    Returns:
+        补录的决策日志条数。
+    """
+    evals = session.exec(
+        select(IntelligentEvalDB).where(
+            IntelligentEvalDB.status.in_(
+                [
+                    IntelligentEvalStatus.EXECUTING.value,
+                    IntelligentEvalStatus.COMPLETED.value,
+                ]
+            )
+        )
+    ).all()
+
+    added = 0
+    for ev in evals:
+        plan = ev.get_plan() if ev.plan else {}
+        estimated = plan.get("estimated_sessions", 0)
+        sessions = session.exec(
+            select(IntelligentEvalSessionDB).where(IntelligentEvalSessionDB.eval_id == ev.id)
+        ).all()
+        completed = sum(1 for s in sessions if s.status == "completed")
+        types = {
+            x.decision_type
+            for x in session.exec(
+                select(IntelligentEvalDecisionLogDB).where(IntelligentEvalDecisionLogDB.eval_id == ev.id)
+            ).all()
+        }
+
+        if ev.status == IntelligentEvalStatus.EXECUTING.value:
+            added += _supplement_executing(ev, sessions, completed, estimated, types, session)
+        elif ev.status == IntelligentEvalStatus.COMPLETED.value:
+            added += _supplement_completed(ev, sessions, completed, estimated, plan, types, session)
+
+    return added

backend/agenteval/intelligent_eval/lifecycle.py

@@ -226,8 +226,8 @@ def submit_report(session: Session, eval_id: str, report: dict[str, Any]) -> Int
     （不完整证据），不再阻塞报告提交。
     """
     repo = IntelligentEvalRepository(session)
-    sessions = IntelligentEvalSessionRepository(session).list_by_eval(eval_id)
-    if any(s.status == IntelligentEvalSessionStatus.RUNNING for s in sessions):
+    eval_sessions = IntelligentEvalSessionRepository(session).list_by_eval(eval_id)
+    if any(s.status == IntelligentEvalSessionStatus.RUNNING for s in eval_sessions):
         raise IntelligentEvalTransitionError("存在进行中的会话，不能提交报告")
     # ADR-0011：submit 边界把 scores 归一到 {overall, dimensions} 单一规范结构
     if report.get("scores"):
@@ -432,29 +432,36 @@ def expire_stale_running_sessions(session: Session) -> int:
     now = utc_now()
     # SQLite 读出为 naive datetime，阈值须同为 naive 才能在 Python 侧比较
     threshold = now.replace(tzinfo=None) - timedelta(minutes=SESSION_IDLE_EXPIRE_MINUTES)
-    rows = session.exec(
-        select(IntelligentEvalSessionDB).where(IntelligentEvalSessionDB.status == "running")
-    ).all()
+
+    # 单次查询获取所有 running 会话及其最后消息时间（避免 N+1 查询）
+    stmt = (
+        select(
+            IntelligentEvalSessionDB,
+            func.max(IntelligentEvalMessageDB.created_at).label("last_message_at"),
+        )
+        .outerjoin(
+            IntelligentEvalMessageDB,
+            IntelligentEvalMessageDB.session_id == IntelligentEvalSessionDB.id,
+        )
+        .where(IntelligentEvalSessionDB.status == "running")
+        .group_by(IntelligentEvalSessionDB.id)
+    )
+    rows = session.exec(stmt).all()
 
     expired = 0
-    for row in rows:
-        last_message_at = session.exec(
-            select(func.max(IntelligentEvalMessageDB.created_at)).where(
-                IntelligentEvalMessageDB.session_id == row.id
-            )
-        ).one()
-        last_activity = last_message_at or row.created_at
+    for session_row, last_message_at in rows:
+        last_activity = last_message_at or session_row.created_at
         if last_activity is None or last_activity >= threshold:
             continue
-        row.status = IntelligentEvalSessionStatus.EXPIRED.value
-        row.closed_at = now
+        session_row.status = IntelligentEvalSessionStatus.EXPIRED.value
+        session_row.closed_at = now
         expired += 1
         append_decision_log(
-            row.eval_id,
+            session_row.eval_id,
             "session_expired",
             f"平台兜底：会话 {SESSION_IDLE_EXPIRE_MINUTES} 分钟无新轮次，置为过期（不完整证据）",
             "platform",
-            {"platform_supplemented": True, "session_id": row.id, "turn_count": row.turn_count},
+            {"platform_supplemented": True, "session_id": session_row.id, "turn_count": session_row.turn_count},
             session,
         )
 
@@ -674,16 +681,16 @@ def evals_needing_analyst_nudge(session: Session) -> list[str]:
 
     needing: list[str] = []
     for row in executing:
-        sessions = session.exec(
+        eval_sessions = session.exec(
             select(IntelligentEvalSessionDB).where(IntelligentEvalSessionDB.eval_id == row.id)
         ).all()
-        if not sessions or any(s.status not in _TERMINAL_SESSION_STATUSES for s in sessions):
+        if not eval_sessions or any(s.status not in _TERMINAL_SESSION_STATUSES for s in eval_sessions):
             continue
         # 冒烟教训：窗口未结束且会话数未达计划时，未来时段到期后还要建会话，
         # 此时催促 analyst 会让报告提前收敛（漏掉后续时段的证据）
-        if _window_has_pending_future_slots(row, sessions, now):
+        if _window_has_pending_future_slots(row, eval_sessions, now):
             continue
-        closed_moments = [s.closed_at for s in sessions if s.closed_at is not None]
+        closed_moments = [s.closed_at for s in eval_sessions if s.closed_at is not None]
         if not closed_moments:
             continue
         last_closed = max(closed_moments)