fix: retry playback intents over the command path that originally served them (ADB broadcasts annotate the intent, self-heal retry goes back over ADB)

custom_components/nvidia_shield/ha_adb_common/intent.py

@@ -13,10 +13,15 @@ class PlaybackIntent:
 
     Attributes:
         target_state: The MediaPlayerState we expect after the command.
-        command: The service/command name (for retries and logging).
+        command: The command/service name (for retries and logging).
         created_at: Monotonic timestamp when the intent was created.
         prior_state: The source state before the intent (for detecting external overrides).
         retry_count: Number of retries attempted so far.
+        via_adb: True when the command was successfully served by the ADB
+            keyevent path — the retry must then go over ADB too, not back to
+            the remote that did not serve it.
+        adb_command: The ADB keycode command name matching the intent
+            (play/pause/stop/next/previous); set together with via_adb.
     """
 
     target_state: str  # MediaPlayerState value (e.g. "playing", "paused")
@@ -24,6 +29,8 @@ class PlaybackIntent:
     created_at: float
     prior_state: str | None = None
     retry_count: int = 0
+    via_adb: bool = False
+    adb_command: str | None = None
 
     @classmethod
     def create(cls, target_state: str, command: str, prior_state: str | None = None) -> "PlaybackIntent":
@@ -45,4 +52,6 @@ class PlaybackIntent:
             "command": self.command,
             "retries": self.retry_count,
             "age_s": self.age_seconds,
+            "via_adb": self.via_adb,
+            "adb_command": self.adb_command,
         }