方位角で補正し，振り向かず歩いた場合に振り向き判定されないように

src/models.py

@@ -358,6 +358,8 @@ class TurnFrameResult:
     turn_level: str
     continuous_duration_sec: float
     failure_reason: str = ""
+    bearing_deg: float | None = None
+    corrected_yaw: float | None = None
 
     def __post_init__(self) -> None:
         if self.track_id < 0 or self.frame_number < 0 or self.continuous_duration_sec < 0: