Add local Live Activity and Dynamic Island track display

tools/validate_project.py

@@ -11,12 +11,12 @@ import xml.etree.ElementTree as ET
 root = pathlib.Path(__file__).resolve().parents[1]
 generated = [root / "MusicBridge.xcodeproj/project.pbxproj",
              root / "MusicBridge.xcodeproj/xcshareddata/xcschemes/MusicBridge.xcscheme",
-             root / "MusicBridge/Info.plist"]
+             root / "MusicBridge/Info.plist", root / "MusicBridgeWidgets/Info.plist"]
 before = [p.read_bytes() for p in generated]
 subprocess.run([sys.executable, str(root / "tools/generate_project.py")], check=True)
 assert before == [p.read_bytes() for p in generated], "Generated project is stale; review and commit regeneration."
 project = generated[0].read_text(encoding="utf-8")
-for folder in ("MusicBridge", "MusicBridgeTests"):
+for folder in ("MusicBridge", "MusicBridgeTests", "Shared", "MusicBridgeWidgets"):
     for source in (root / folder).glob("*.swift"):
         key = hashlib.sha256(source.relative_to(root).as_posix().encode()).hexdigest()[:24].upper()
         assert key in project, f"Missing source: {source.name}"
@@ -26,6 +26,8 @@ assert defined == referenced, "Project has dangling object references."
 info = plistlib.loads(generated[2].read_bytes())
 assert info["NSLocalNetworkUsageDescription"]
 assert info["NSCameraUsageDescription"]
+assert info["NSSupportsLiveActivities"] is True
+assert plistlib.loads(generated[3].read_bytes())["NSExtension"]["NSExtensionPointIdentifier"] == "com.apple.widgetkit-extension"
 assert info["NSBonjourServices"] == ["_musicbridge._tcp"]
 assert info["CFBundleURLTypes"][0]["CFBundleURLSchemes"] == ["musicbridge"]
 assert info["NSAppTransportSecurity"] == {