fix(validate): 错误信息不再拼开发用的 [path]，回归干净字段名+i18n

校验错只发 {t:i18nKey, params:{field:label}}(不能为空走语言包 key、字段名走 label)，
不把 groups.0.title 这种路径塞进可见文案。path 仍递归传递，留给将来 inline 标红结构化携带。

package-lock.json

@@ -1,14 +1,14 @@
 {
     "name": "shrimp-server",
-    "version": "0.7.2",
+    "version": "0.7.3",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "shrimp-server",
-            "version": "0.7.2",
+            "version": "0.7.3",
             "dependencies": {
-                "shrimp-server": "git+http://git.zeromvc.com/wc24/shrimp-server.git#v0.7.2"
+                "shrimp-server": "git+http://git.zeromvc.com/wc24/shrimp-server.git#v0.7.3"
             },
             "devDependencies": {
                 "@types/bcrypt": "^5.0.0",
@@ -3374,8 +3374,11 @@
             }
         },
         "node_modules/shrimp-server": {
-            "version": "0.7.2",
-            "resolved": "git+http://git.zeromvc.com/wc24/shrimp-server.git#6383aade980b848871390eacaf52bb53c11387cb",
+            "version": "0.7.3",
+            "resolved": "git+http://git.zeromvc.com/wc24/shrimp-server.git#24afc42de98f3fc5cebd178cd83707b7cde4da47",
+            "dependencies": {
+                "shrimp-server": "git+http://git.zeromvc.com/wc24/shrimp-server.git#v0.7.2"
+            },
             "peerDependencies": {
                 "bcrypt": "^5 || ^6",
                 "express": "^4 || ^5",