fix(add): array/object 字段新增初值用 []/{}(原落成 '')

handleAdd 里 array/object 类型字段未特判,初值落到 '';虽 FieldArray/FieldObject 能容错,
但语义错。补 array→[]、object→{}。版本与 shrimp-server 对齐 0.7.1。

package.json

@@ -1,6 +1,6 @@
 {
     "name": "shrimp-admin",
-    "version": "0.7.0",
+    "version": "0.7.1",
     "private": true,
     "description": "Shrimp 框架前端 — 消费 ShrimpServer + ShrimpTable 契约的经典 Vue3 + Element Plus 实现",
     "main": "src/index.ts",

src/components/ShrimpTable.vue

@@ -307,8 +307,10 @@ async function handleAdd() {
             formData.value[field.key] = false
         } else if (field.type === 'number') {
             formData.value[field.key] = 0
-        } else if (field.multiple) {
+        } else if (field.type === 'array' || field.multiple) {
             formData.value[field.key] = []
+        } else if (field.type === 'object') {
+            formData.value[field.key] = {}
         } else {
             formData.value[field.key] = ''
         }