Add local Live Activity and Dynamic Island track display

tools/verify_ipa.py

@@ -29,5 +29,24 @@ with zipfile.ZipFile(path) as archive:
             platforms.append(struct.unpack_from("<I", binary, offset + 8)[0])
         offset += size
     assert platforms == [2], "Mach-O is not built for iOS devices"
+    assert info["NSSupportsLiveActivities"] is True
+    extension = prefix + "PlugIns/MusicBridgeWidgets.appex/"
+    widget = plistlib.loads(archive.read(extension + "Info.plist"))
+    assert widget["CFBundleIdentifier"] == info["CFBundleIdentifier"] + ".widgets"
+    assert widget["CFBundleShortVersionString"] == info["CFBundleShortVersionString"]
+    assert widget["CFBundleVersion"] == info["CFBundleVersion"]
+    assert widget["NSExtension"]["NSExtensionPointIdentifier"] == "com.apple.widgetkit-extension"
+    assert widget["CFBundleSupportedPlatforms"] == ["iPhoneOS"]
+    binary = archive.read(extension + widget["CFBundleExecutable"])
+    assert struct.unpack_from("<II", binary) == (0xFEEDFACF, 0x0100000C)
+    offset, platforms = 32, []
+    for _ in range(struct.unpack_from("<I", binary, 16)[0]):
+        command, size = struct.unpack_from("<II", binary, offset)
+        assert size >= 8 and offset + size <= len(binary)
+        if command == 0x32:
+            platforms.append(struct.unpack_from("<I", binary, offset + 8)[0])
+        offset += size
+    assert platforms == [2], "Widget is not built for iOS devices"
 print(f"PASS: {path.name}: valid IPA, iPhoneOS ARM64, iOS 17+, ru.yukinoki.musicbridge.")
+print("PASS: embedded WidgetKit extension, matching version, ARM64 iPhoneOS and Live Activities support.")
 print("Requires local signing with Sideloadly before installation on an iPhone.")