feat: AI 测试对话框增加动态参数表单和参数定义编辑

- 测试对话框支持从 defaultInputs 解析参数并渲染动态表单
- 支持 _meta 格式的参数定义（label/type/required/value）
- 接口工作流编辑页面增加参数定义区域（增删改）
- 后端 AiTemplateRenderer.mergeInputs 兼容 _meta 格式
- JSON 编辑区折叠为「高级编辑」模式

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

web-admin/src/views/aiconfig/AiRoutingList.vue

@@ -209,6 +209,22 @@
         <el-form-item label="机器人 ID"><el-input v-model="endpointForm.botId" /></el-form-item>
         <el-form-item label="请求模板"><el-input v-model="endpointForm.requestTemplate" type="textarea" :rows="4" placeholder="JSON 模板，可使用 {{prompt}} 等变量" /></el-form-item>
         <el-form-item label="默认入参"><el-input v-model="endpointForm.defaultInputs" type="textarea" :rows="3" placeholder="JSON 格式，会与用户端入参合并" /></el-form-item>
+        <el-form-item label="参数定义">
+          <div v-for="(param, index) in paramDefinitions" :key="index" class="param-row" style="display: flex; gap: 8px; margin-bottom: 8px; align-items: center">
+            <el-input v-model="param.name" placeholder="参数名" style="width: 110px" />
+            <el-input v-model="param.label" placeholder="显示标签" style="width: 120px" />
+            <el-select v-model="param.type" style="width: 100px">
+              <el-option label="文本" value="string" />
+              <el-option label="多行" value="textarea" />
+              <el-option label="数字" value="number" />
+              <el-option label="开关" value="boolean" />
+            </el-select>
+            <el-input v-model="param.defaultValue" placeholder="默认值" style="width: 100px" />
+            <el-checkbox v-model="param.required">必填</el-checkbox>
+            <el-button link type="danger" @click="removeParam(index)">删除</el-button>
+          </div>
+          <el-button link type="primary" @click="addParam">+ 添加参数</el-button>
+        </el-form-item>
         <el-form-item label="支持流式"><el-switch v-model="endpointStream" active-text="支持" inactive-text="不支持" /></el-form-item>
         <el-form-item label="启用状态"><el-switch v-model="endpointEnabled" active-text="启用" inactive-text="禁用" /></el-form-item>
       </el-form>
@@ -275,11 +291,20 @@
         <span class="endpoint-label">接口名称：</span>
         <span>{{ endpointTestRow?.endpointName }}（{{ endpointTestRow?.endpointCode }}）</span>
       </div>
-      <el-form label-width="110px" style="margin-top: 16px">
-        <el-form-item label="入参 JSON">
-          <el-input v-model="endpointInputsJson" type="textarea" :rows="6" placeholder="请输入 JSON 入参" />
+      <el-form v-if="endpointParamFields.length > 0" label-width="120px" style="margin-top: 16px">
+        <el-form-item v-for="field in endpointParamFields" :key="field.name" :label="field.label" :required="field.required"
+          style="margin-bottom: 12px">
+          <el-input v-if="field.type === 'string'" v-model="field.value" :placeholder="field.name" @input="syncEndpointJsonFromFields" />
+          <el-input v-if="field.type === 'textarea'" v-model="field.value" type="textarea" :rows="3" :placeholder="field.name" @input="syncEndpointJsonFromFields" />
+          <el-input-number v-if="field.type === 'number'" v-model="field.value" :placeholder="field.name" @change="syncEndpointJsonFromFields" style="width: 100%" />
+          <el-switch v-if="field.type === 'boolean'" v-model="field.value" @change="syncEndpointJsonFromFields" />
         </el-form-item>
       </el-form>
+      <el-collapse style="margin-top: 12px">
+        <el-collapse-item title="高级编辑（JSON）">
+          <el-input v-model="endpointInputsJson" type="textarea" :rows="6" placeholder="请输入 JSON 入参" @input="syncEndpointFieldsFromJson" />
+        </el-collapse-item>
+      </el-collapse>
       <el-alert
         v-if="endpointNonStreamResult"
         :type="endpointNonStreamResult.status === 'success' ? 'success' : 'error'"
@@ -323,7 +348,7 @@ import {
   testAiRuntime,
   testEndpointRuntime
 } from '@/api/aiconfig'
-import type { AiCallLog, AiEndpointConfig, AiProvider, AiRuntimeTestResponse, AiSceneBinding } from '@/types/aiconfig'
+import type { AiCallLog, AiEndpointConfig, AiProvider, AiRuntimeTestResponse, AiSceneBinding, TestParamField, ParamDefinition } from '@/types/aiconfig'
 
 const activeTab = ref('providers')
 const loading = ref(false)
@@ -347,6 +372,9 @@ const endpointTestRow = ref<AiEndpointConfig | null>(null)
 const endpointTestResult = ref<AiRuntimeTestResponse | null>(null)
 const endpointNonStreamResult = ref<AiRuntimeTestResponse | null>(null)
 const endpointInputsJson = ref('{}')
+const endpointParamFields = ref<TestParamField[]>([])
+
+const paramDefinitions = ref<ParamDefinition[]>([])
 
 const providerForm = reactive<AiProvider>(newProvider())
 const endpointForm = reactive<AiEndpointConfig>(newEndpoint())
@@ -441,6 +469,7 @@ function openProvider(row?: AiProvider) {
 
 function openEndpoint(row?: AiEndpointConfig) {
   assignForm(endpointForm, row ? { ...row } : newEndpoint())
+  paramDefinitions.value = parseDefinitionsFromDefaultInputs(row?.defaultInputs)
   endpointDialog.value = true
 }
 
@@ -465,25 +494,116 @@ function openSceneRuntimeTest(row: AiSceneBinding) {
 
 function openEndpointTest(row: AiEndpointConfig) {
   endpointTestRow.value = row
-  if (row.defaultInputs) {
-    try {
-      const parsed = JSON.parse(row.defaultInputs)
-      if (typeof parsed === 'object' && parsed !== null && !Array.isArray(parsed)) {
-        endpointInputsJson.value = JSON.stringify(parsed, null, 2)
-      } else {
-        endpointInputsJson.value = '{}'
-      }
-    } catch {
-      endpointInputsJson.value = '{}'
-    }
-  } else {
-    endpointInputsJson.value = '{}'
-  }
+  endpointParamFields.value = parseParamFields(row.defaultInputs)
+  endpointInputsJson.value = buildInputsJson(endpointParamFields.value)
   endpointTestResult.value = null
   endpointNonStreamResult.value = null
   endpointTestDialog.value = true
 }
 
+function parseParamFields(defaultInputs?: string): TestParamField[] {
+  if (!defaultInputs) return []
+  try {
+    const parsed = JSON.parse(defaultInputs)
+    if (typeof parsed !== 'object' || parsed === null || Array.isArray(parsed)) return []
+    return Object.entries(parsed).map(([key, val]: [string, any]) => {
+      // 新格式：{ _meta: {...}, value: ... }
+      if (val && typeof val === 'object' && '_meta' in val) {
+        return {
+          name: key,
+          label: val._meta.label || key,
+          type: val._meta.type || 'string',
+          value: val.value,
+          defaultValue: val.value,
+          required: val._meta.required || false
+        } as TestParamField
+      }
+      // 旧格式：直接值
+      return {
+        name: key,
+        label: key,
+        type: inferParamType(val),
+        value: val,
+        defaultValue: val,
+        required: false
+      } as TestParamField
+    })
+  } catch {
+    return []
+  }
+}
+
+function inferParamType(val: any): 'string' | 'textarea' | 'number' | 'boolean' {
+  if (typeof val === 'number') return 'number'
+  if (typeof val === 'boolean') return 'boolean'
+  if (typeof val === 'string' && val.length > 80) return 'textarea'
+  return 'string'
+}
+
+function buildInputsJson(fields: TestParamField[]): string {
+  const obj: Record<string, any> = {}
+  fields.forEach(f => { obj[f.name] = f.value })
+  return JSON.stringify(obj, null, 2)
+}
+
+function syncEndpointJsonFromFields() {
+  endpointInputsJson.value = buildInputsJson(endpointParamFields.value)
+}
+
+function syncEndpointFieldsFromJson() {
+  try {
+    const parsed = JSON.parse(endpointInputsJson.value || '{}')
+    endpointParamFields.value.forEach(field => {
+      if (field.name in parsed) {
+        field.value = parsed[field.name]
+      }
+    })
+  } catch { /* ignore parse errors */ }
+}
+
+function addParam() {
+  paramDefinitions.value.push({ name: '', label: '', type: 'string', defaultValue: '', required: false })
+}
+
+function removeParam(index: number) {
+  paramDefinitions.value.splice(index, 1)
+}
+
+function buildDefaultInputsFromDefinitions(defs: ParamDefinition[]): string {
+  const obj: Record<string, any> = {}
+  defs.forEach(d => {
+    if (d.name) {
+      obj[d.name] = {
+        _meta: { label: d.label || d.name, type: d.type, required: d.required },
+        value: d.defaultValue
+      }
+    }
+  })
+  return JSON.stringify(obj)
+}
+
+function parseDefinitionsFromDefaultInputs(defaultInputs?: string): ParamDefinition[] {
+  if (!defaultInputs) return []
+  try {
+    const parsed = JSON.parse(defaultInputs)
+    if (typeof parsed !== 'object' || parsed === null) return []
+    return Object.entries(parsed).map(([key, val]: [string, any]) => {
+      if (val && typeof val === 'object' && '_meta' in val) {
+        return {
+          name: key,
+          label: val._meta.label || key,
+          type: val._meta.type || 'string',
+          defaultValue: val.value,
+          required: val._meta.required || false
+        } as ParamDefinition
+      }
+      return { name: key, label: key, type: inferParamType(val), defaultValue: val, required: false } as ParamDefinition
+    })
+  } catch {
+    return []
+  }
+}
+
 async function submitProvider() {
   await saveAiProvider({ ...providerForm })
   providerDialog.value = false
@@ -492,7 +612,12 @@ async function submitProvider() {
 }
 
 async function submitEndpoint() {
-  await saveAiEndpoint({ ...endpointForm })
+  const data = { ...endpointForm }
+  // 如果有参数定义，合并到 defaultInputs
+  if (paramDefinitions.value.length > 0) {
+    data.defaultInputs = buildDefaultInputsFromDefinitions(paramDefinitions.value)
+  }
+  await saveAiEndpoint(data)
   endpointDialog.value = false
   ElMessage.success('接口工作流已保存')
   await loadAll()