some fixes

Tests/VideoNoteRotationPolicyTests.swift

@@ -0,0 +1,44 @@
+import XCTest
+@testable import Luma
+
+final class VideoNoteRotationPolicyTests: XCTestCase {
+    func testPortraitNeedsClockwiseQuarterTurn() {
+        // The sensor is landscape-native; an upright portrait circle must be
+        // rotated 90 degrees clockwise in the QuickTime track matrix.
+        XCTAssertEqual(
+            VideoNoteRotationPolicy.angle(for: .portrait),
+            90
+        )
+    }
+
+    func testPortraitUpsideDownNeedsThreeQuarterTurn() {
+        XCTAssertEqual(
+            VideoNoteRotationPolicy.angle(for: .portraitUpsideDown),
+            270
+        )
+    }
+
+    func testLandscapeOrientationsMapToNativeAngles() {
+        XCTAssertEqual(
+            VideoNoteRotationPolicy.angle(for: .landscapeLeft),
+            180
+        )
+        XCTAssertEqual(
+            VideoNoteRotationPolicy.angle(for: .landscapeRight),
+            0
+        )
+    }
+
+    func testAllAnglesAreSupportedCaptureAngles() {
+        let orientations: [VideoNoteRotationPolicy.InterfaceOrientation] = [
+            .portrait, .portraitUpsideDown, .landscapeLeft, .landscapeRight,
+        ]
+        for orientation in orientations {
+            let angle = VideoNoteRotationPolicy.angle(for: orientation)
+            XCTAssertTrue(
+                [CGFloat(0), 90, 180, 270].contains(angle),
+                "unexpected angle \(angle) for \(orientation)"
+            )
+        }
+    }
+}