cli to control zed camera start and stop. 2. measure now use every svo2 file for 1 fish, give intermideate result and final result with confidecne level(*).

fish_api/app/state.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 import asyncio
+import threading
 from dataclasses import dataclass, field
 from datetime import datetime
 from typing import List, Optional
@@ -15,7 +16,7 @@ class MeasureSnapshot:
     error: Optional[str] = None
     raw_prediction_path: Optional[str] = None
     pred: Optional[float] = None  # 最终预测的体重值
-    star: bool = False  # 置信度标记，True 表示计算可信
+    star: bool = False  # DB 是唯一真相源：segment/batch 恒 False；final 行按参与聚合段的 dgcnn_summary 规则判定
     #: 与 FishMeasure ``test_dgcnn_weight_estimator.py`` 终端输出一致的体重推算过程文本
     calculation_log: Optional[str] = None
 
@@ -32,11 +33,21 @@ class HealthSnapshot:
 @dataclass
 class AppState:
     measure_lock: asyncio.Lock = field(default_factory=asyncio.Lock)
+    #: 与 ``run_full_measure`` 子进程串行化（跨 ``measure_watch`` / ingest 线程）
+    measure_thread_lock: threading.Lock = field(default_factory=threading.Lock)
     action_lock: asyncio.Lock = field(default_factory=asyncio.Lock)
 
     # job status for optional polling（业务结果见 SQLite）
     measure_status: str = "idle"
     action_status: str = "idle"
 
+    #: ZED 分段录制线程与协作停止事件（由 ``zed_recording_control`` 管理）
+    zed_recording_lock: threading.Lock = field(default_factory=threading.Lock)
+    zed_recording_stop_event: Optional[threading.Event] = None
+    zed_recording_thread: Optional[threading.Thread] = None
+    #: 当前会话（与 ``zed_recording_sessions`` 表对应）
+    zed_recording_session_row_id: Optional[int] = None
+    zed_recording_fish_id: Optional[int] = None
+
 
 app_state = AppState()