feat: 位置追踪优化、考勤去重、围栏考勤补充设备信息

- 地图轨迹点按定位类型区分颜色 (GPS蓝/WiFi青/LBS橙/蓝牙紫)
- LBS/WiFi定位点显示精度圈 (虚线圆, LBS~1km/WiFi~80m)
- 地图图例显示各定位类型颜色和精度范围
- 精度圈添加 bubble:true 防止遮挡轨迹点点击
- 点击列表记录直接在地图显示Marker+弹窗 (无需先加载轨迹)
- 修复3D地图setZoomAndCenter坐标偏移, 改用setCenter+setZoom
- 最新位置轮询超时从15s延长至30s (适配LBS慢响应)
- 考勤每日去重: 同设备同类型每天只记录一条 (fence/device/bluetooth通用)
- 围栏自动考勤补充设备电量/信号/基站信息 (从Device表和位置包获取)
- 考勤来源字段 attendance_source 区分 device/bluetooth/fence

via [HAPI](https://hapi.run)

Co-Authored-By: HAPI <noreply@hapi.run>

app/tcp_server.py

@@ -1113,6 +1113,7 @@ class TCPManager:
                                 fence_session, device_id_for_fence, imei,
                                 latitude, longitude, location_type,
                                 address, recorded_at,
+                                mcc=mcc, mnc=mnc, lac=lac, cell_id=cell_id,
                             )
                             for evt in fence_events:
                                 ws_manager.broadcast_nonblocking("fence_attendance", evt)
@@ -1873,10 +1874,23 @@ class TCPManager:
                         logger.warning("Attendance for unknown IMEI=%s", imei)
                         return attendance_type, reserved_bytes, datetime_bytes
 
+                    # Determine attendance source from protocol
+                    _att_source = "bluetooth" if proto == 0xB2 else "device"
+
+                    # Daily dedup: one clock_in / clock_out per device per day
+                    from app.services.fence_checker import _has_attendance_today
+                    if await _has_attendance_today(session, device_id, attendance_type):
+                        logger.info(
+                            "Attendance dedup: IMEI=%s already has %s today, skip",
+                            imei, attendance_type,
+                        )
+                        return attendance_type, reserved_bytes, datetime_bytes
+
                     record = AttendanceRecord(
                         device_id=device_id,
                         imei=conn_info.imei,
                         attendance_type=attendance_type,
+                        attendance_source=_att_source,
                         protocol_number=proto,
                         gps_positioned=gps_positioned,
                         latitude=latitude,