feat: 站点审核通过时弹出编辑框，支持审核者修改数据后再通过

- SiteReview.vue: 「通过」打开编辑弹窗，可改名称/地址/类型/状态/备注
- AdminController: approveChange 接受 request body（编辑数据）
- SiteService.approveChange: 优先用审核者编辑数据，否则用原始提交
- 拒绝保持原逻辑直接拒绝

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

@@ -272,10 +272,17 @@ public class AdminController {
     }
 
     @PostMapping("/changes/{id}/approve")
-    public ApiResponse<Void> approveChange(@PathVariable Long id, HttpServletRequest request) {
+    public ApiResponse<Void> approveChange(@PathVariable Long id,
+                                           @RequestBody(required = false) Map<String, Object> body,
+                                           HttpServletRequest request) {
         checkAdmin(request);
         Long reviewerId = (Long) request.getAttribute("accountId");
-        siteService.approveChange(id, reviewerId);
+        String name = body != null ? (String) body.get("name") : null;
+        String baseUrl = body != null ? (String) body.get("baseUrl") : null;
+        String siteType = body != null ? (String) body.get("siteType") : null;
+        String status = body != null ? (String) body.get("status") : null;
+        String notes = body != null ? (String) body.get("notes") : null;
+        siteService.approveChange(id, reviewerId, name, baseUrl, siteType, status, notes);
         log.info("Change approved: id={}, reviewer={}", id, reviewerId);
         return ApiResponse.success();
     }