refactor(sms): 重构短信发送功能并优化数据库配置

- 移除旧的短信发送实现和相关依赖
- 引入新的短信发送服务接口和实现
- 添加短信发送记录实体和数据访问层
- 创建短信发送控制器提供REST API
- 实现带重试机制的短信发送功能
- 添加系统凭证管理和缓存机制
- 更新数据库连接配置信息
- 修改统计查询接口参数类型
- 清理过时的代码和服务方法

pqs-user/user-api/src/main/java/com/njcn/user/pojo/dto/CredentialReqDTO.java

@@ -0,0 +1,35 @@
+package com.njcn.user.pojo.dto;
+
+/**
+ * @author caozehui
+ * @data 2026-03-31
+ */
+
+import lombok.Data;
+
+import javax.validation.constraints.NotEmpty;
+import java.io.Serializable;
+
+/**
+ * 系统凭证请求 DTO
+ *
+ * @author msgpush
+ */
+@Data
+public class CredentialReqDTO implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * 上游系统名称
+     */
+    @NotEmpty(message = "上游系统名称不能为空")
+    private String systemName;
+
+    /**
+     * 密钥（用于生成凭证）
+     */
+    @NotEmpty(message = "密钥不能为空")
+    private String secretKey;
+
+}

pqs-user/user-api/src/main/java/com/njcn/user/pojo/dto/SendResult.java

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+package com.njcn.user.pojo.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+import java.io.Serializable;
+
+/**
+ * @author xy
+ */
+@Data
+@AllArgsConstructor
+public class SendResult implements Serializable {
+
+    private final boolean success;
+    private final String messageId;
+    private final String failReason;
+    private final boolean isTimeOut;
+    private final boolean unauthorized;
+
+}

pqs-user/user-api/src/main/java/com/njcn/user/pojo/po/app/SmsSendRecord.java

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+package com.njcn.user.pojo.po.app;
+
+import com.baomidou.mybatisplus.annotation.*;
+import lombok.Data;
+
+import java.io.Serializable;
+import java.time.LocalDateTime;
+
+/**
+ * @author xy
+ */
+@Data
+@TableName("sms_send_record")
+public class SmsSendRecord implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @TableId(type = IdType.ASSIGN_ID)
+    private String id;
+
+    private String receiver;
+
+    private String content;
+
+    private String messageType;
+
+    private String credentialToken;
+
+    private Integer sendStatus;
+
+    @TableField(updateStrategy = FieldStrategy.IGNORED)
+    private String failReason;
+
+    private Integer retryCount;
+
+    private Integer maxRetry;
+
+    private Long responseTime;
+
+    private LocalDateTime sendTime;
+
+    private LocalDateTime createTime;
+
+    private LocalDateTime updateTime;
+}

pqs-user/user-api/src/main/java/com/njcn/user/pojo/vo/app/MessageRecordReqVO.java

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+package com.njcn.user.pojo.vo.app;
+
+import cn.hutool.core.lang.RegexPool;
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.Pattern;
+
+@Data
+@Schema(description = "管理后台 - 消息记录发送 Request VO")
+public class MessageRecordReqVO {
+
+    private String channel;
+
+    @Schema(description = "消息类型", example = "verify_code/order_notify/marketing/system_notify")
+    @NotBlank(message = "消息类型不能为空")
+    private String messageType;
+
+    @Schema(description = "接收者")
+    @NotBlank(message = "接收者不能为空")
+    @Pattern(regexp = RegexPool.EMAIL + "|" + RegexPool.MOBILE, message = "必须是有效的邮箱或手机号格式")
+    private String receiver;
+
+    @Schema(description = "标题")
+    private String title;
+
+    @Schema(description = "消息内容")
+    private String content;
+
+    @Schema(description = "模板编码")
+    private String templateCode;
+
+    @Schema(description = "模板参数")
+    private String templateParams;
+}