fix: 批量解析过滤无URL旧数据，解析失败或内容为空时返回明确消息

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

@@ -103,11 +103,12 @@ 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
+        // 获取该站点所有结果，按URL分组取最新（过滤无URL的旧数据）
         List<AccessResult> allResults = accessResultMapper.selectBySiteId(siteId);
         Map<String, AccessResult> latestByUrl = allResults.stream()
+                .filter(r -> r.getUrl() != null && !r.getUrl().isBlank())
                 .collect(Collectors.toMap(
-                        r -> r.getUrl() != null && !r.getUrl().isBlank() ? r.getUrl() : "(未指定URL)",
+                        AccessResult::getUrl,
                         r -> r,
                         (a, b) -> a.getCreatedAt().isAfter(b.getCreatedAt()) ? a : b));
 
@@ -125,6 +126,7 @@ public class AdapterController {
             Map<String, Object> item = new LinkedHashMap<>();
             item.put("url", url);
             item.put("accessResultId", ar.getId());
+            item.put("contentType", ar.getContentType());
             item.put("statusCode", ar.getStatusCode());
             item.put("responseTimeMs", ar.getResponseTimeMs());
             item.put("createdAt", ar.getCreatedAt());
@@ -139,9 +141,11 @@ public class AdapterController {
                 if (content != null) {
                     Map<String, Object> parsed = adapterEngine.extract(adapterConfig, content, ar.getContentType(), url);
                     item.put("parsed", parsed);
+                } else {
+                    item.put("parsed", Map.of("matched", false, "message", "内容为空，可能已从存储中删除"));
                 }
             } catch (Exception e) {
-                item.put("parseError", e.getMessage());
+                item.put("parsed", Map.of("matched", false, "message", "解析异常: " + e.getMessage()));
             }
 
             pages.add(item);