feat: support Switch 2 controllers and expanded profiles

tests/switch2_parser_native_stubs/protocol_fixture.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include <btstack.h>
+#include "uni_hid_device.h"
+
+// The parser uses the SDK's actual GATT types/accessors. Only the asynchronous
+// radio, run loop, platform admission and persistence endpoints are simulated.
+enum fixture_query { QUERY_NONE, QUERY_SERVICE, QUERY_CHARACTERISTICS, QUERY_DESCRIPTORS, QUERY_CCCD, QUERY_WRITE };
+struct fixture_peer {
+    uni_hid_device_t device;
+    bool used, link_alive;
+    enum fixture_query query;
+    btstack_packet_handler_t callback;
+    uint16_t descriptor_value, cccd_handle;
+    uint8_t command[32];
+    uint16_t command_length;
+    const uint8_t* pending_write;
+    uint16_t pending_length;
+    uint8_t rumble[33];
+    uint16_t rumble_length;
+    unsigned commands, rumbles;
+};