feat: coordinate authoritative playback and audio routing

controller/config.py

@@ -31,6 +31,7 @@ class MqttConfig:
     reconnect_min_seconds: int = 1
     reconnect_max_seconds: int = 30
     command_queue_size: int = 512
+    publish_ack_timeout_seconds: float = 2.0
 
 
 @dataclass(frozen=True)
@@ -195,6 +196,11 @@ def load_config(
         reconnect_min_seconds=_integer(mqtt_raw.get("reconnect_min_seconds", 1), "mqtt.reconnect_min_seconds"),
         reconnect_max_seconds=_integer(mqtt_raw.get("reconnect_max_seconds", 30), "mqtt.reconnect_max_seconds"),
         command_queue_size=_integer(mqtt_raw.get("command_queue_size", 512), "mqtt.command_queue_size"),
+        publish_ack_timeout_seconds=_number(
+            mqtt_raw.get("publish_ack_timeout_seconds", 2.0),
+            "mqtt.publish_ack_timeout_seconds",
+            minimum=0.1,
+        ),
     )
     if mqtt.reconnect_max_seconds < mqtt.reconnect_min_seconds:
         raise ConfigError("mqtt.reconnect_max_seconds must be >= reconnect_min_seconds")
@@ -211,7 +217,11 @@ def load_config(
         playback_base=_text(topics_raw.get("playback_base", "youtube/media/playback"), "topics.playback_base"),
         router_mode_set=_text(topics_raw.get("router_mode_set", "audio/player/mode/set"), "topics.router_mode_set"),
         router_mode_state=_text(topics_raw.get("router_mode_state", "audio/player/mode/state"), "topics.router_mode_state"),
-        controller_result=_text(topics_raw.get("controller_result"), "topics.controller_result", allow_none=True),
+        controller_result=_text(
+            topics_raw.get("controller_result", "youtube/controller/v2/events"),
+            "topics.controller_result",
+            allow_none=True,
+        ),
     )
 
     configured_slots = _integer(storage_raw.get("slot_count", 10), "storage.slot_count")