添加 SU-03T 语音命令解析与分发功能，更新主流程以支持语音命令处理

Co-authored-by: Copilot <copilot@github.com>

components/su-03t/include/su-03t_voice.h

@@ -0,0 +1,56 @@
+/*
+ * 文件: components/su-03t/include/su-03t_voice.h
+ * 角色: SU-03T 语音命令解析与分发
+ * 说明:
+ * - 这里维护语音消息号到业务命令的映射。
+ * - 主接收回调只负责拿到帧，这里负责做语义判断和后续分发。
+ */
+
+#pragma once
+
+#include <stdbool.h>
+#include <stdint.h>
+#include "su-03t.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+    SU03T_VOICE_CMD_ASK_TEMP = 0x00,
+    SU03T_VOICE_CMD_ASK_HUMI = 0x01,
+    SU03T_VOICE_CMD_ASK_LUX = 0x02,
+    SU03T_VOICE_CMD_ASK_MQ2 = 0x03,
+    SU03T_VOICE_CMD_ASK_CO2 = 0x04,
+    SU03T_VOICE_CMD_ASK_WEIGHT = 0x05,
+    SU03T_VOICE_CMD_ASK_HUM = 0x06,
+    SU03T_VOICE_CMD_ASK_DOOR = 0x07,
+    SU03T_VOICE_CMD_ASK_FAN = 0x08,
+    SU03T_VOICE_CMD_ASK_LIGHT = 0x09,
+    SU03T_VOICE_CMD_ASK_COOL = 0x0A,
+    SU03T_VOICE_CMD_ASK_HOT = 0x0B,
+    SU03T_VOICE_CMD_ASK_CONTROL = 0x0C,
+    SU03T_VOICE_CMD_ASK_RICE = 0x0D,
+    SU03T_VOICE_CMD_UNKNOWN = 0xFF,
+} su03t_voice_cmd_id_t;
+
+typedef struct {
+    su03t_voice_cmd_id_t id;
+    uint8_t msgno;
+    const char *key;
+    const char *label;
+} su03t_voice_command_t;
+
+const su03t_voice_command_t *su03t_voice_command_from_msgno(uint8_t msgno);
+const char *su03t_voice_command_key(uint8_t msgno);
+void su03t_voice_handle_frame(const su03t_frame_t *frame);
+
+/* 以 8 字节 little-endian double 作为参数区发送一帧。 */
+esp_err_t su03t_voice_send_double_reply(uint8_t msgno, double value);
+
+/* 从接收帧参数区解析 little-endian double（要求 params_len == 8）。 */
+bool su03t_voice_parse_double_payload(const su03t_frame_t *frame, double *out_value);
+
+#ifdef __cplusplus
+}
+#endif