迁移 Flutter 端与训练脚本，模型/训练产物移出 git（遵循纯代码约定）

training/train_local.py

@@ -0,0 +1,21 @@
+from ultralytics import YOLO
+import os
+
+BASE = os.path.dirname(os.path.abspath(__file__))
+YOLO_DIR = os.path.join(BASE, "datasets/yolo")
+data = os.path.join(YOLO_DIR, "dataset_local.yaml")
+with open(data, "w", encoding="utf-8") as f:
+    f.write(f"""path: {YOLO_DIR}
+train: images/train
+val: images/val
+names:
+  0: pheasant
+  1: suspect
+""")
+
+model = YOLO("yolov8n.pt")
+model.train(data=data, imgsz=1024, epochs=150, patience=30, batch=8,
+            device="mps", workers=4,
+            # project 必须绝对路径，相对路径会被拼到默认 runs/detect 下造成双层嵌套
+            project=os.path.join(BASE, "runs/pheasant"), name="yolov8n_1024",
+            exist_ok=True, plots=True)