feat(app): 添加重新生成应用配置文件功能

- 在AppController中新增regenerateConfigFile接口
- 在AppService中实现重新生成配置文件的业务逻辑
- 记录重新生成配置文件的操作日志
- 在前端API中添加重新生成功能调用方法
- 在应用详情页面添加重新生成按钮和确认对话框
- 实现重新生成配置文件的前端交互逻辑

tenant-service/src/main/java/com/xuqm/tenant/controller/AppController.java

@@ -182,6 +182,13 @@ public class AppController {
                 .body(encrypted.getBytes(java.nio.charset.StandardCharsets.UTF_8));
     }
 
+    @PostMapping("/{appKey}/config-file/regenerate")
+    public ResponseEntity<ApiResponse<Void>> regenerateConfigFile(@PathVariable String appKey,
+                                                                   @AuthenticationPrincipal String tenantId) {
+        appService.regenerateConfigFile(appKey, tenantId);
+        return ResponseEntity.ok(ApiResponse.ok());
+    }
+
     /**
      * Parse an uploaded config file and return its decrypted contents.
      * Used by the security center to verify config file information.

tenant-service/src/main/java/com/xuqm/tenant/service/AppService.java

@@ -100,6 +100,18 @@ public class AppService {
         return content;
     }
 
+    @Transactional
+    public String regenerateConfigFile(String appKey, String tenantId) {
+        AppEntity app = getByAppKey(appKey, tenantId);
+        String content = generateConfigFileContent(app);
+        app.setConfigFileContent(content);
+        appRepository.save(app);
+        operationLogService.record(tenantId, "APP", "APP", appKey, "REGENERATE_CONFIG",
+                "重新生成应用「" + app.getName() + "」的 Config 文件",
+                Map.of("name", app.getName()));
+        return content;
+    }
+
     public AppEntity update(String appKey, String tenantId, CreateAppRequest req) {
         AppEntity app = getByAppKey(appKey, tenantId);
         Map<String, Object> before = new LinkedHashMap<>();