feat: Implement external job import functionality

- Add ExternalJobSourceAliasRequest class for managing source alias requests.
- Create ExternalUploadClient to interact with external Excel upload system.
- Introduce ExternalUploadFileMetadata to represent metadata of uploaded files.
- Define IExternalJobImportService interface for external job import operations.
- Update JobDataTrendServiceImpl to support dynamic source code filtering.
- Modify PublicJobFairMapper.xml to ensure proper query handling.
- Add unit tests for ExternalJobExcelParser and ExternalJobFingerprint.
- Create script for applying external job import migrations.
- Implement SQL migration for external job import, including new tables and columns.

ruoyi-admin/src/main/resources/application.yml

@@ -123,6 +123,23 @@ mybatis-plus:
 file:
   upload-dir: /opt/service/file/data/file
 
+# 外部岗位 Excel 全量快照同步。真实 token 只允许在环境专用配置或密钥管理系统中设置。
+external-job-import:
+  enabled: false
+  latest-metadata-url:
+  internal-token: 8124757d8c37881b4b3d86c60332ca97aa97e6fd6a68db595bb38a1c72bc19dc
+  connect-timeout-millis: 10000
+  read-timeout-millis: 120000
+  max-invalid-row-ratio: 0.05
+  max-delete-ratio: 0.30
+  required-sources:
+    - shz_job_net
+    - zhaopin
+    - tianhu_job
+    - liepin
+    - wlmq_fast_job
+    - 51job
+
 # 政策文件上传配置
 policy:
   upload: