feat: Add Outdoor Fair Attendee and Device management

- Implemented Outdoor Fair Attendee and Device entities, including their respective controllers, services, and mappers.
- Added statistics endpoint for Outdoor Fair data, allowing aggregation by day, week, month, or year.
- Introduced SQL scripts for creating tables and mock data for attendees and devices.
- Created a write-capable script for executing DML/DDL statements against the SHZ HighGo database.
- Enhanced the existing query capabilities to support both read and write operations.

sql/cms_outdoor_fair_device.sql

@@ -0,0 +1,42 @@
+-- 户外招聘会设备码表
+-- 依赖：shz.cms_outdoor_fair（fair_id 外键逻辑关联，不建物理外键）
+
+CREATE SEQUENCE IF NOT EXISTS shz.cms_outdoor_fair_device_id_seq
+    START WITH 1 INCREMENT BY 1 NO MINVALUE NO MAXVALUE CACHE 1;
+
+CREATE TABLE IF NOT EXISTS shz.cms_outdoor_fair_device (
+    id           BIGINT       NOT NULL DEFAULT nextval('shz.cms_outdoor_fair_device_id_seq'::regclass) PRIMARY KEY,
+    fair_id      BIGINT       NOT NULL,
+    device_code  VARCHAR(64)  NOT NULL,
+    company_id   BIGINT,
+    company_name VARCHAR(255),
+    bind_time    TIMESTAMP,
+    create_by    VARCHAR(64),
+    create_time  TIMESTAMP,
+    update_by    VARCHAR(64),
+    update_time  TIMESTAMP,
+    remark       VARCHAR(500),
+    del_flag     CHAR(1)      DEFAULT '0'
+);
+
+CREATE INDEX IF NOT EXISTS idx_cms_outdoor_fair_device_fair
+    ON shz.cms_outdoor_fair_device (fair_id);
+
+COMMENT ON TABLE  shz.cms_outdoor_fair_device IS '户外招聘会设备码表';
+COMMENT ON COLUMN shz.cms_outdoor_fair_device.id           IS '主键';
+COMMENT ON COLUMN shz.cms_outdoor_fair_device.fair_id      IS '招聘会ID';
+COMMENT ON COLUMN shz.cms_outdoor_fair_device.device_code  IS '设备码（UUID）';
+COMMENT ON COLUMN shz.cms_outdoor_fair_device.company_id   IS '绑定的参会企业ID';
+COMMENT ON COLUMN shz.cms_outdoor_fair_device.company_name IS '绑定的参会企业名称';
+COMMENT ON COLUMN shz.cms_outdoor_fair_device.bind_time    IS '绑定时间';
+COMMENT ON COLUMN shz.cms_outdoor_fair_device.del_flag     IS '删除标志（0存在 2删除）';
+
+-- mock 数据：为 id=8 的招聘会生成 5 个设备码，其中 2 个绑定参会企业
+INSERT INTO shz.cms_outdoor_fair_device
+    (fair_id, device_code, company_id, company_name, bind_time, create_by, create_time, del_flag)
+VALUES
+    (8, 'a1b2c3d4e5f6471a9b8c1d2e3f4a5b6c', null, null, null, 'admin', now(), '0'),
+    (8, 'b2c3d4e5f6a7482bac9d0e1f2a3b4c5d', null, null, null, 'admin', now(), '0'),
+    (8, 'c3d4e5f6a7b8493cbd0e1f2a3b4c5d6e', 101, '示例科技有限公司', '2026-06-25 10:00:00', 'admin', now(), '0'),
+    (8, 'd4e5f6a7b8c9404dce1f2a3b4c5d6e7f', 102, '示范商贸有限公司', '2026-06-25 10:05:00', 'admin', now(), '0'),
+    (8, 'e5f6a7b8c9d0415edf2a3b4c5d6e7f8a', null, null, null, 'admin', now(), '0');