feat(patterns,api): pattern OTA, graceful shutdown, driver delivery updates

- Pattern controller/UI and presets patterns tab for OTA to Wi-Fi drivers
- Device controller extensions; driver_delivery chunk handling
- main: SIGINT/SIGTERM shutdown, TCP/UDP server close coordination
- Submodule led-driver: Wi-Fi default transport, lazy espnow import, dynamic patterns

Made-with: Cursor

src/util/driver_delivery.py

@@ -18,6 +18,28 @@ def _split_serial_envelope(inner_json_str, peer_hex_list):
     return json.dumps(env, separators=(",", ":"))
 
 
+def _wifi_message_for_device(msg, device_name):
+    """
+    For Wi-Fi TCP fanout, narrow a v1 select map to a single device name.
+    Returns the original message when no narrowing applies.
+    """
+    if not device_name:
+        return msg
+    try:
+        body = json.loads(msg)
+    except Exception:
+        return msg
+    if not isinstance(body, dict):
+        return msg
+    select = body.get("select")
+    if not isinstance(select, dict):
+        return msg
+    if device_name not in select:
+        return msg
+    body["select"] = {device_name: select[device_name]}
+    return json.dumps(body, separators=(",", ":"))
+
+
 async def deliver_preset_broadcast_then_per_device(
     sender,
     chunk_messages,
@@ -129,7 +151,9 @@ async def deliver_json_messages(sender, messages, target_macs, devices_model, de
             if doc and doc.get("transport") == "wifi":
                 ip = doc.get("address")
                 if ip:
-                    wifi_tasks.append(send_json_line_to_ip(ip, msg))
+                    name = str(doc.get("name") or "").strip()
+                    wifi_msg = _wifi_message_for_device(msg, name)
+                    wifi_tasks.append(send_json_line_to_ip(ip, wifi_msg))
             else:
                 espnow_hex.append(mac)