feat(audio): move beat routing server-side and extend presets

Route beat-triggered manual selects from the controller server, add preset background and beat-counter UI support, and bump led-driver to include the matching pattern/runtime fixes.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/controllers/pattern.py

@@ -368,6 +368,7 @@ async def create_driver_pattern(request):
       name, code (required),
       min_delay, max_delay, max_colors (optional numbers),
       has_background (optional bool),
+      supports_manual (optional bool, default true if omitted in db),
       n1..n8 (optional string labels),
       overwrite (optional, default true).
     """
@@ -413,6 +414,9 @@ async def create_driver_pattern(request):
     if "has_background" in data:
         meta["has_background"] = bool(data.get("has_background"))
 
+    if "supports_manual" in data:
+        meta["supports_manual"] = bool(data.get("supports_manual"))
+
     for i in range(1, 9):
         nk = "n%d" % i
         if nk not in data:

src/controllers/preset.py

@@ -315,6 +315,13 @@ async def push_driver_messages(request, session):
     except Exception:
         return json.dumps({"error": "Send failed"}), 503, {'Content-Type': 'application/json'}
 
+    try:
+        from util.beat_driver_route import sync_beat_route_from_push_sequence
+
+        sync_beat_route_from_push_sequence(seq)
+    except Exception:
+        pass
+
     return json.dumps({
         "message": "Delivered",
         "deliveries": deliveries,