feat: 新增 access-result 删除接口，同时清理存储文件

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

@@ -136,4 +136,17 @@ public class AccessResultController {
         int affected = accessResultService.batchValidateUrl(siteId, url, isValid);
         return ApiResponse.success(Map.of("affected", affected));
     }
+
+    /**
+     * 删除访问结果（含存储文件）
+     */
+    @DeleteMapping("/api/v1/admin/access-results/{id}")
+    public ApiResponse<Void> delete(@PathVariable("id") Long id) {
+        try {
+            accessResultService.delete(id);
+            return ApiResponse.success();
+        } catch (IllegalArgumentException e) {
+            return ApiResponse.error(404, e.getMessage());
+        }
+    }
 }

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

@@ -103,7 +103,7 @@ public class AdapterController {
         try { adapterConfig = objectMapper.readValue(configJson, AdapterConfig.class); }
         catch (Exception e) { return ApiResponse.error(400, "配置格式无效: " + e.getMessage()); }
 
-        // 获取该站点所有结果，按URL分组取最新（过滤无URL的旧数据）
+        // 获取该站点所有结果，按URL分组取最新
         List<AccessResult> allResults = accessResultMapper.selectBySiteId(siteId);
         Map<String, AccessResult> latestByUrl = allResults.stream()
                 .filter(r -> r.getUrl() != null && !r.getUrl().isBlank())
@@ -112,6 +112,8 @@ public class AdapterController {
                         r -> r,
                         (a, b) -> a.getCreatedAt().isAfter(b.getCreatedAt()) ? a : b));
 
+        int skippedNoUrl = (int) allResults.stream().filter(r -> r.getUrl() == null || r.getUrl().isBlank()).count();
+
         // 批量解析
         Map<String, Object> response = new LinkedHashMap<>();
         response.put("configId", configId);