feat(led): 添加键盘LED状态管理模块

- 新增keyboard_led_state_event事件用于处理USB/BLE HID输出报告中的LED状态
- 实现led_state_module模块，管理Num Lock指示灯和BLE状态指示灯
- 定义LED状态效果映射，包括熄灭、常亮、慢闪、快闪等效果
- 将hid_keymap_def.h从configuration目录移至inc目录
- 在BLE和USB HID模块中添加对输出报告LED掩码的解析和处理
- 配置DTS中的led_1为可用状态，更新CMakeLists.txt构建配置

src/modules/usb_hid_module.c

@@ -15,6 +15,7 @@
 #include "hid_report_descriptor.h"
 #include "hid_protocol_event.h"
 #include "hid_report_event.h"
+#include "keyboard_led_state_event.h"
 #include "mode_event.h"
 #include "usb_hid_event.h"
 
@@ -55,6 +56,8 @@ struct usb_hid_ctx {
 
 	enum usb_hid_usbd_state usbd_state;
 	enum hid_protocol_type current_protocol;
+	bool num_lock_known;
+	bool num_lock_on;
 };
 
 static struct usb_hid_ctx g_usb_hid = {
@@ -85,6 +88,25 @@ static void publish_usb_hid_state(void)
 	APP_EVENT_SUBMIT(event);
 }
 
+/* 从主机输出报告同步 Num Lock 位，并在状态变化时发布事件。 */
+static void publish_num_lock_state_from_led_mask(uint8_t led_mask)
+{
+	bool new_num_lock = (led_mask & BIT(0)) != 0U;
+
+	if (g_usb_hid.num_lock_known && (g_usb_hid.num_lock_on == new_num_lock)) {
+		return;
+	}
+
+	g_usb_hid.num_lock_known = true;
+	g_usb_hid.num_lock_on = new_num_lock;
+
+	struct keyboard_led_state_event *event = new_keyboard_led_state_event();
+
+	event->led_mask = led_mask;
+	event->num_lock = new_num_lock;
+	APP_EVENT_SUBMIT(event);
+}
+
 static void recompute_hid_state(void)
 {
 	/* 兼容现有调用点：对外仅发布 enable + usbd 状态。 */
@@ -118,8 +140,11 @@ static int hid_stub_set_report(const struct device *dev,
 	ARG_UNUSED(dev);
 	ARG_UNUSED(type);
 	ARG_UNUSED(id);
-	ARG_UNUSED(len);
-	ARG_UNUSED(buf);
+
+	if ((len > 0U) && (buf != NULL)) {
+		publish_num_lock_state_from_led_mask(buf[0]);
+	}
+
 	return 0;
 }
 
@@ -188,8 +213,10 @@ static void hid_stub_input_done(const struct device *dev, const uint8_t *report)
 static void hid_stub_output_report(const struct device *dev, uint16_t len, const uint8_t *buf)
 {
 	ARG_UNUSED(dev);
-	ARG_UNUSED(len);
-	ARG_UNUSED(buf);
+
+	if ((len > 0U) && (buf != NULL)) {
+		publish_num_lock_state_from_led_mask(buf[0]);
+	}
 }
 
 static void hid_iface_ready_cb(const struct device *dev, bool ready)