feat!: object/array 字段组件 + 去掉 FieldJson + 版本统一 0.7.0

- 新增 FieldObject.vue(嵌套字段组,display/edit 递归渲染)、FieldArray.vue
  (元素列表,增删 + 每项递归渲染 item;第一版从简:无排序拖拽)。靠 glob 自动注册成 object/array。
- 删 FieldJson.vue(json 类型退场,object 取代)。
- 版本与 shrimp-server 统一为 0.7.0。

src/components/fields/FieldObject.vue

@@ -0,0 +1,69 @@
+<template>
+    <!-- 显示：递归渲染各子字段的 display 组件(relation 子查 refs) -->
+    <template v-if="mode === 'display'">
+        <span v-if="!modelValue || typeof modelValue !== 'object'">-</span>
+        <span v-else class="obj-display">
+            <span v-for="f in field.fields || []" :key="f.key" class="obj-child">
+                <span class="obj-label">{{ vueAdmin.t(f.label) }}:</span>
+                <component :is="vueAdmin.getFieldComponent(moduleKey, f.type, f.key)"
+                    :field="f" :model-value="(modelValue || {})[f.key]" mode="display" />
+            </span>
+        </span>
+    </template>
+    <!-- 编辑：每个子字段一行,递归渲染 edit 组件 -->
+    <div v-else class="field-object">
+        <el-form-item v-for="f in field.fields || []" :key="f.key" :label="vueAdmin.t(f.label)" :required="f.required">
+            <component :is="vueAdmin.getFieldComponent(moduleKey, f.type, f.key)"
+                :field="f" :model-value="(modelValue || {})[f.key]"
+                @update:model-value="onChild(f.key, $event)" mode="edit" :disabled="disabled" />
+        </el-form-item>
+    </div>
+</template>
+
+<script lang="ts" setup>
+import { inject } from 'vue'
+import { vueAdmin } from '../../VueAdmin'
+
+const props = defineProps<{
+    field: any
+    modelValue: any
+    mode: 'display' | 'edit' | 'filter'
+    disabled?: boolean
+}>()
+
+const emit = defineEmits<{ 'update:modelValue': [value: any] }>()
+
+const moduleKey = inject('shrimpModuleKey', '')
+
+function onChild(key: string, value: any) {
+    emit('update:modelValue', { ...(props.modelValue || {}), [key]: value })
+}
+</script>
+
+<style scoped>
+.obj-display {
+    display: inline-flex;
+    flex-wrap: wrap;
+    align-items: center;
+    gap: 4px 10px;
+}
+
+.obj-child {
+    display: inline-flex;
+    align-items: center;
+    gap: 4px;
+}
+
+.obj-label {
+    color: var(--el-text-color-secondary);
+    font-size: 12px;
+}
+
+.field-object {
+    display: flex;
+    flex-direction: column;
+    gap: 8px;
+    padding-left: 12px;
+    border-left: 2px solid var(--el-border-color-lighter);
+}
+</style>