Merge branch '20260902-serial-proxy-tap' into 20260218-zigbee-proxy

# Conflicts:
#	esphome/components/api/api.proto
#	esphome/components/api/api_connection.cpp
#	esphome/components/api/api_pb2.h
#	esphome/components/api/api_pb2_dump.cpp
#	esphome/components/api/api_pb2_service.cpp
#	esphome/components/serial_proxy/serial_proxy.cpp
#	esphome/components/serial_proxy/serial_proxy.h

tests/components/zigbee_proxy/.gitignore

@@ -0,0 +1,5 @@
+# Gitignore settings for ESPHome
+# This is an example and may include too much for your use-case.
+# You can modify this file to suit your needs.
+/.esphome/
+/secrets.yaml

tests/components/zigbee_proxy/common.yaml

@@ -20,4 +20,3 @@ serial_proxy:
     uart_id: zigbee_uart
     name: Zigbee
     port_type: TTL
-    mode: protocol

tests/components/zigbee_proxy/test-usb.esp32-s3-idf.yaml

@@ -22,7 +22,6 @@ serial_proxy:
     uart_id: zigbee_usb_channel
     name: Zigbee
     port_type: TTL
-    mode: protocol
 
 zigbee_proxy:
   serial_proxy_id: zigbee_usb_serial