feat: 删除站点自定义脚本回退默认模板

par-api/src/main/java/com/par/api/controller/ScriptController.java

@@ -27,6 +27,7 @@ public class ScriptController {
     private final ConfigService configService;
     private final CachedStorageService storageService;
     private final SiteMapper siteMapper;
+    private final com.par.core.mapper.SiteConfigMapper siteConfigMapper;
 
     /** 下载最新 Groovy 脚本 */
     @GetMapping("/api/v1/scripts/{siteId}")
@@ -57,6 +58,19 @@ public class ScriptController {
         return ResponseEntity.notFound().build();
     }
 
+    /** 删除站点自定义脚本（回退到默认模板） */
+    @DeleteMapping("/api/v1/admin/configs/{siteId}/script")
+    public ApiResponse<Void> deleteScript(@PathVariable String siteId, HttpServletRequest request) {
+        checkAdmin(request);
+        SiteConfig latest = configService.getLatestConfig(siteId);
+        if (latest == null) return ApiResponse.success();
+        latest.setScriptStoragePath(null);
+        latest.setIsLatest(false);
+        siteConfigMapper.updateById(latest);
+        log.info("Custom script deleted for siteId={}, fallback to default", siteId);
+        return ApiResponse.success();
+    }
+
     /** 获取脚本版本（自定义脚本优先，否则返回默认模板版本） */
     @GetMapping("/api/v1/scripts/{siteId}/version")
     public ApiResponse<Map<String, String>> getVersion(@PathVariable String siteId) {