ci: add lint+test workflow; schedule package constants (TiviMate/Wholphin/system media); drop the stale sibling-checkout dev dependency

custom_components/nvidia_shield/const.py

@@ -31,8 +31,23 @@ DEFAULT_NAME = "Nvidia Shield"
 # Emotiva DAG attribute we read to get available inputs
 ATTR_MEDIA_DAG_INPUT_MAP = "media_dag_input_map"
 
-# Known Jellyfin app package IDs
+# Known Jellyfin app package IDs (used to route Jellyfin-family clients
+# — including Wholphin, a Jellyfin client — to the rich-metadata path).
 JELLYFIN_APP_IDS = [
     "org.jellyfin.androidtv",
     "org.jellyfin.mobile",
+    "com.github.damontecres.wholphin",
+]
+
+# Verified on-device package names (docs/RESEARCH_SHIELD.md): TiviMate does
+# not publish a MediaSession on Shield Android 11 — it is the headline
+# Phase-3 fallback app.
+TIVIMATE_PACKAGE = "ar.tvplayer.tv"
+
+# Packages to ignore when parsing foreground/audio-playback identities
+SYSTEM_MEDIA_PACKAGES = [
+    "com.google.android.apps.mediashell",  # Chromecast receiver process
+    "com.android.systemui",
+    "com.android.tv.settings",
+    "com.nvidia.diagtools",
 ]