Angle update

app/src/main/java/com/example/jnicpp/bowling/PoseAnalyzer.kt

@@ -36,14 +36,18 @@ class PoseAnalyzer(
 
     /**
      * Everything [PoseOverlayView] needs to both draw a pose and correctly
-     * map it from analysis-image pixels to view pixels.
+     * map it from analysis-image pixels to view pixels, plus the joint
+     * angles derived from that same pose (see [PoseAngleCalculator]) so
+     * downstream consumers (overlay text, future frame-by-frame logging)
+     * don't need to recompute them from [pose] themselves.
      */
     data class PoseFrameResult(
         val pose: Pose,
         val imageWidth: Int,
         val imageHeight: Int,
         val rotationDegrees: Int,
-        val isFrontCamera: Boolean
+        val isFrontCamera: Boolean,
+        val angles: PoseAngles
     )
 
     private val detector: PoseDetector = PoseDetection.getClient(
@@ -87,7 +91,10 @@ class PoseAnalyzer(
                         imageWidth = width,
                         imageHeight = height,
                         rotationDegrees = rotationDegrees,
-                        isFrontCamera = frontCamera
+                        isFrontCamera = frontCamera,
+                        // Cheap (four atan2 pairs at most), safe to compute
+                        // on every frame right alongside the detection result.
+                        angles = PoseAngleCalculator.compute(pose)
                     )
                 )
             }