接入 Autocal Finger 视频预览

复用 shared FingerAcquisitionWorker 显示处理后画面，并保存视频与配置路径。通过针对性测试和真实视频验证。

apps/autocal/config/locales/en_US.json

@@ -232,6 +232,26 @@
     "reserved_surface": "Multi-point calibration sensitivity will be drawn as a colour map on the sensor's 3D surface here: each point's sensitivity interpolated and coloured, with a legend and range.",
     "reserved_points": "The calibration point table and capture controls will appear here: platform coordinates, reference load, sampling statistics and the resulting sensitivity."
   },
+  "source": {
+    "video": "Finger video",
+    "config": "Sensor config",
+    "browse": "Browse…",
+    "start": "Play video",
+    "stop": "Stop",
+    "idle": "Choose a video and sensor.json",
+    "no_frame": "Waiting for processed frames",
+    "choose_video": "Choose Finger video",
+    "choose_config": "Choose sensor.json",
+    "video_filter": "Video files (*.mp4 *.avi *.mov *.mkv);;All files (*)",
+    "missing_input": "Choose an existing video file and sensor.json",
+    "opening": "Opening video…",
+    "running": "Processing video",
+    "stopping": "Stopping…",
+    "stopped": "Stopped",
+    "finished": "Video finished",
+    "error": "Video processing failed: {detail}",
+    "frame": "Frame {frame} · acquired at {time:.3f}"
+  },
   "finger": {
     "title": "Finger calibration-point debug",
     "bundle_path": "Export bundle",

apps/autocal/config/locales/zh_CN.json

@@ -232,6 +232,26 @@
     "reserved_surface": "多点标定的灵敏度将在此以色图叠加在传感器三维表面上：每个标定点的灵敏度经插值着色，并给出色标与范围。",
     "reserved_points": "标定点列表与采集控制将在此显示：平台坐标、参考载荷、采样统计与灵敏度结果。"
   },
+  "source": {
+    "video": "Finger 视频",
+    "config": "传感器配置",
+    "browse": "选择…",
+    "start": "开始播放",
+    "stop": "停止",
+    "idle": "请选择视频和 sensor.json",
+    "no_frame": "等待处理后的画面",
+    "choose_video": "选择 Finger 视频",
+    "choose_config": "选择 sensor.json",
+    "video_filter": "视频文件 (*.mp4 *.avi *.mov *.mkv);;所有文件 (*)",
+    "missing_input": "请选择存在的视频文件和 sensor.json",
+    "opening": "正在打开视频…",
+    "running": "正在处理视频",
+    "stopping": "正在停止…",
+    "stopped": "已停止",
+    "finished": "视频播放完毕",
+    "error": "视频处理失败：{detail}",
+    "frame": "帧 {frame} · 采集时间 {time:.3f}"
+  },
   "finger": {
     "title": "手指标定点调试",
     "bundle_path": "导出包",

apps/autocal/config/preferences.default.json

@@ -16,6 +16,8 @@
   "sdo_last": { "node": 0, "index": 24704, "subindex": 0, "type": 0 },
   "rtex_last": { "axis": 0, "parameter": 0 },
   "show_diagnostics": false,
+  "finger_video_path": "",
+  "finger_config_ref": "",
   "safety_limits": {
     "max_travel_mm": 100.0,
     "max_descent_mm": 10.0,