Flip the esp32 proxy onto the hub wrapper

tests/component_tests/ble_device_base/test_slot_counter.py

@@ -109,6 +109,8 @@ def test_esp32_bluetooth_proxy_requests_client_slots_only(
     generate_main(component_config_path("esp32_bluetooth_proxy.yaml"))
     assert get_define_value("ESPHOME_ESP32_BLE_TRACKER_LISTENER_COUNT") is None
     assert get_define_value("ESPHOME_ESP32_BLE_TRACKER_CLIENT_COUNT") == "3"
+    # One neutral GATT backend slot per connection (the hub-model flip).
+    assert get_define_value("ESPHOME_BLE_GATT_CLIENT_COUNT") == "3"
 
 
 def test_counts_reset_between_compiles(

tests/component_tests/bluetooth_proxy/test_platform_gates.py

@@ -178,17 +178,11 @@ def test_rp2_rejects_esp32_only_keys_by_name(
 
 
 def test_bluetooth_connection_auto_load_covers_its_includes() -> None:
-    # The esp32 connection header includes esp32_ble_client; the auto load
-    # must satisfy that closure itself (regression: it once relied on the
-    # consumer's auto loads).
-    _set_platform("esp32")
-    assert "esp32_ble_client" in bluetooth_connection.AUTO_LOAD()
-    _set_platform("rp2")
-    assert bluetooth_connection.AUTO_LOAD() == ["ble_device_base"]
-    # No target platform (tooling resolving the manifest): the union, so
-    # dependency closures stay complete for build_codeowners and friends.
-    _set_platform(None)
-    assert bluetooth_connection.AUTO_LOAD() == ["ble_device_base", "esp32_ble_client"]
+    # Every backend builds on ble_device_base alone; the Bluedroid backend
+    # talks to IDF directly, so esp32_ble_client is no longer in the closure.
+    for platform in ("esp32", "rp2", None):
+        _set_platform(platform)
+        assert bluetooth_connection.AUTO_LOAD() == ["ble_device_base"]
 
 
 def test_every_registered_hub_platform_has_a_schema_arm() -> None: