diff --git a/packages/ui/src/components/app-layout/PromptOptimizerApp.vue b/packages/ui/src/components/app-layout/PromptOptimizerApp.vue
index c1f78bb0..a5927ebb 100644
--- a/packages/ui/src/components/app-layout/PromptOptimizerApp.vue
+++ b/packages/ui/src/components/app-layout/PromptOptimizerApp.vue
@@ -1866,6 +1866,16 @@ const openModelManager = (tab: "text" | "image" | "function" = "text") => {
 };
 provide("openModelManager", openModelManager);
 
+// 提供 openContextEditor 接口（供 Pro Multi 等工作区直接调用）
+type ContextEditorOpenArg = ConversationMessage[] | "messages" | "variables" | "tools";
+const openContextEditor = (
+    messagesOrTab?: ContextEditorOpenArg,
+    variables?: Record<string, string>,
+) => {
+    void contextManagement.handleOpenContextEditor(messagesOrTab, variables);
+};
+provide("openContextEditor", openContextEditor);
+
 // 模型管理器关闭回调
 const handleModelManagerClosed = async () => {
     try {
diff --git a/packages/ui/src/components/context-mode/ContextSystemWorkspace.vue b/packages/ui/src/components/context-mode/ContextSystemWorkspace.vue
index 0aa659f9..2e9656ce 100644
--- a/packages/ui/src/components/context-mode/ContextSystemWorkspace.vue
+++ b/packages/ui/src/components/context-mode/ContextSystemWorkspace.vue
@@ -19,7 +19,7 @@
                     >
                         <ConversationManager
                             :messages="optimizationContext"
-                            @update:messages="emit('update:optimizationContext', $event)"
+                            @update:messages="handleConversationMessagesUpdated"
                             @message-change="(index, message, action) => {
                                 // Pro Multi：新增/更新消息后自动选中最新消息，确保“优化”按钮可用
                                 if ((action === 'add' || action === 'update') && (message.role === 'system' || message.role === 'user') && message.id) {
@@ -33,7 +33,7 @@
                             :optimization-mode="optimizationMode"
                             :tool-count="toolCount"
                             @open-variable-manager="emit('open-variable-manager')"
-                            @open-context-editor="emit('open-context-editor')"
+                            @open-context-editor="handleOpenContextEditor"
                             @open-tool-manager="emit('open-tool-manager')"
                             :enable-tool-management="true"
                             :collapsible="true"
@@ -64,7 +64,7 @@
                                         :getPrimary="OptionAccessors.getPrimary"
                                         :getSecondary="OptionAccessors.getSecondary"
                                         :getValue="OptionAccessors.getValue"
-                                        @config="emit('config-model')"
+                                        @config="handleOpenModelManager"
                                     />
                                 </NFlex>
 
@@ -79,7 +79,7 @@
                                         :getPrimary="OptionAccessors.getPrimary"
                                         :getSecondary="OptionAccessors.getSecondary"
                                         :getValue="OptionAccessors.getValue"
-                                        @config="emit('open-template-manager')"
+                                        @config="handleOpenTemplateManager"
                                     />
                                 </NFlex>
                             </NFlex>
@@ -119,14 +119,14 @@
                                 :show-apply-button="displayAdapter.isInMessageOptimizationMode.value"
                                  :optimization-mode="optimizationMode"
                                  :advanced-mode-enabled="true"
-                                 :show-preview="true"
+                                  :show-preview="true"
                                 @iterate="handleIterate"
-                                @openTemplateManager="emit('open-template-manager', $event)"
+                                @openTemplateManager="handleOpenTemplateManager"
                                 @switchVersion="handleSwitchVersion"
-                                 @switchToV0="handleSwitchToV0"
-                                 @save-favorite="emit('save-favorite', $event)"
-                                 @open-preview="handleOpenPromptPreview"
-                                 @apply-to-conversation="handleApplyToConversation"
+                                  @switchToV0="handleSwitchToV0"
+                                  @save-favorite="emit('save-favorite', $event)"
+                                  @open-preview="handleOpenPromptPreview"
+                                  @apply-to-conversation="handleApplyToConversation"
                                  @apply-improvement="handleApplyImprovement"
                                  @save-local-edit="handleSaveLocalEdit"
                              />
@@ -605,9 +605,58 @@ const injectedServices = inject<Ref<AppServices | null>>('services')
 const servicesRef = injectedServices ?? ref<AppServices | null>(null)
 const variableManager = inject<VariableManagerHooks | null>('variableManager', null)
 
+// 注入 App 层统一的 open* 接口（避免 Pro 工作区 emit 链断导致按钮无响应）
+const appOpenModelManager = inject<
+    ((tab?: 'text' | 'image' | 'function') => void) | null
+>('openModelManager', null)
+const appOpenTemplateManager = inject<((type?: string) => void) | null>(
+    'openTemplateManager',
+    null,
+)
+type ContextEditorOpenArg = ConversationMessage[] | 'messages' | 'variables' | 'tools'
+const appOpenContextEditor = inject<
+    ((messagesOrTab?: ContextEditorOpenArg, variables?: Record<string, string>) => void) | null
+>('openContextEditor', null)
+
 // 🆕 注入优化上下文（多轮对话消息）
 const optimizationContext = inject<Ref<ConversationMessage[]>>('optimizationContext', ref([]))
 
+const handleConversationMessagesUpdated = (messages: ConversationMessage[]) => {
+    optimizationContext.value = messages
+    // 兜底：保留对外 emits，供非 PromptOptimizerApp 宿主集成使用
+    emit('update:optimizationContext', messages)
+}
+
+const handleOpenModelManager = () => {
+    if (appOpenModelManager) {
+        appOpenModelManager('text')
+        return
+    }
+    emit('config-model')
+}
+
+const handleOpenTemplateManager = (typeOrPayload?: string | Record<string, unknown>) => {
+    // SelectWithConfig 的 @config 可能会传入 payload（非字符串），这里统一兜底处理。
+    const type = typeof typeOrPayload === 'string' ? typeOrPayload : undefined
+    if (appOpenTemplateManager) {
+        appOpenTemplateManager(type || 'optimize')
+        return
+    }
+    emit('open-template-manager', type)
+}
+
+const handleOpenContextEditor = (
+    messages: ConversationMessage[],
+    variables: Record<string, string>,
+) => {
+    if (appOpenContextEditor) {
+        appOpenContextEditor(messages, variables)
+        return
+    }
+    // 兜底：旧链路（如果宿主仍通过 emit 打开编辑器）
+    emit('open-context-editor')
+}
+
 // ✅ 优化模式：固定为 'system'（此组件专门用于系统模式优化）
 const optimizationMode: OptimizationMode = 'system';
 
@@ -737,19 +786,15 @@ onMounted(() => {
     // ✅ 刷新模型列表
     modelSelection.refreshTextModels()
 
-    // Pro Multi：自动选中最新一条可优化消息（system/user），以便直接启用“优化”
-    const latestSelectable = [...(optimizationContext.value || [])]
-        .reverse()
-        .find((msg) => msg && (msg.role === 'system' || msg.role === 'user') && !!msg.id)
-    if (latestSelectable) {
-        void conversationOptimization.selectMessage(latestSelectable)
-    }
-
-    // 兜底：如果还没有消息可选，但 session store 已有选中消息（刷新/恢复场景），尝试同步一次
-    if (!latestSelectable && proMultiSession.selectedMessageId) {
+    // Pro Multi：初始态保持“未选择消息”，让用户明确选择要优化的消息。
+    // 仅在 session store 有选中记录时尝试恢复（刷新/恢复场景）。
+    if (proMultiSession.selectedMessageId) {
         const restored = (optimizationContext.value || []).find((m) => m.id === proMultiSession.selectedMessageId)
         if (restored) {
             void conversationOptimization.selectMessage(restored)
+        } else {
+            // 防止选中 ID 指向已不存在的消息，导致 UI 误判为“已选中”。
+            proMultiSession.selectMessage('')
         }
     }
 
diff --git a/packages/ui/src/components/context-mode/ContextUserWorkspace.vue b/packages/ui/src/components/context-mode/ContextUserWorkspace.vue
index 048d4931..1bbeb8b7 100644
--- a/packages/ui/src/components/context-mode/ContextUserWorkspace.vue
+++ b/packages/ui/src/components/context-mode/ContextUserWorkspace.vue
@@ -80,11 +80,11 @@
                      :show-preview="true"
                      :show-analyze-button="true"
                      :analyze-loading="isAnalyzing"
-                     @submit="handleOptimize"
-                     @analyze="handleAnalyze"
-                     @configModel="emit('config-model')"
-                     @open-preview="handleOpenInputPreview"
-                     :enable-variable-extraction="true"
+                      @submit="handleOptimize"
+                      @analyze="handleAnalyze"
+                      @configModel="handleOpenModelManager"
+                      @open-preview="handleOpenInputPreview"
+                      :enable-variable-extraction="true"
                      :show-extract-button="true"
                      :extracting="props.isExtracting"
                      v-bind="inputPanelVariableData || {}"
@@ -100,7 +100,7 @@
                             :getPrimary="OptionAccessors.getPrimary"
                             :getSecondary="OptionAccessors.getSecondary"
                             :getValue="OptionAccessors.getValue"
-                            @config="emit('config-model')"
+                            @config="handleOpenModelManager"
                         />
                     </template>
 
@@ -112,7 +112,7 @@
                             :getPrimary="OptionAccessors.getPrimary"
                             :getSecondary="OptionAccessors.getSecondary"
                             :getValue="OptionAccessors.getValue"
-                            @config="emit('open-template-manager')"
+                            @config="handleOpenTemplateManager"
                         />
                     </template>
 
@@ -170,14 +170,14 @@
                     "
                     :versions="contextUserOptimization.currentVersions"
                     :current-version-id="contextUserOptimization.currentVersionId"
-                    :optimization-mode="optimizationMode"
-                     :advanced-mode-enabled="true"
-                     :show-preview="true"
-                     @iterate="handleIterate"
-                     @openTemplateManager="emit('open-template-manager', $event)"
-                     @switchVersion="handleSwitchVersion"
-                     @switchToV0="handleSwitchToV0"
-                     @save-favorite="emit('save-favorite', $event)"
+                      :optimization-mode="optimizationMode"
+                       :advanced-mode-enabled="true"
+                       :show-preview="true"
+                      @iterate="handleIterate"
+                      @openTemplateManager="handleOpenTemplateManager"
+                      @switchVersion="handleSwitchVersion"
+                      @switchToV0="handleSwitchToV0"
+                      @save-favorite="emit('save-favorite', $event)"
                      @open-preview="handleOpenPromptPreview"
                      @apply-improvement="handleApplyImprovement"
                      @save-local-edit="handleSaveLocalEdit"
@@ -639,6 +639,33 @@ const injectedServices = inject<Ref<AppServices | null>>('services');
 const servicesRef = injectedServices ?? ref<AppServices | null>(null)
 const variableManager = inject<VariableManagerHooks | null>('variableManager', null);
 
+// 注入 App 层统一的 open* 接口（与 Basic/Image 工作区保持一致）
+const appOpenModelManager = inject<
+    ((tab?: 'text' | 'image' | 'function') => void) | null
+>('openModelManager', null)
+const appOpenTemplateManager = inject<((type?: string) => void) | null>(
+    'openTemplateManager',
+    null,
+)
+
+const handleOpenModelManager = () => {
+    if (appOpenModelManager) {
+        appOpenModelManager('text')
+        return
+    }
+    emit('config-model')
+}
+
+const handleOpenTemplateManager = (typeOrPayload?: string | Record<string, unknown>) => {
+    // SelectWithConfig 的 @config 可能会传入 payload（非字符串），这里统一兜底处理。
+    const type = typeof typeOrPayload === 'string' ? typeOrPayload : undefined
+    if (appOpenTemplateManager) {
+        appOpenTemplateManager(type || 'optimize')
+        return
+    }
+    emit('open-template-manager', type)
+}
+
 // ========================
 // 内部状态管理
 // ========================
diff --git a/packages/ui/src/components/context-mode/ConversationManager.vue b/packages/ui/src/components/context-mode/ConversationManager.vue
index 045ac6f9..653f267d 100644
--- a/packages/ui/src/components/context-mode/ConversationManager.vue
+++ b/packages/ui/src/components/context-mode/ConversationManager.vue
@@ -51,6 +51,7 @@
                         :size="buttonSize"
                         type="primary"
                         :loading="loading"
+                        data-testid="pro-multi-open-context-editor"
                     >
                         <template #icon>
                             <svg
diff --git a/packages/ui/src/components/variable/VariableManagerModal.vue b/packages/ui/src/components/variable/VariableManagerModal.vue
index 98129d34..9295e3d6 100644
--- a/packages/ui/src/components/variable/VariableManagerModal.vue
+++ b/packages/ui/src/components/variable/VariableManagerModal.vue
@@ -56,7 +56,7 @@
             <NCard
                 v-if="predefinedVariables.length > 0"
                 size="small"
-                :content-style="isPredefinedExpanded ? null : 'padding: 0'"
+                :content-style="isPredefinedExpanded ? undefined : 'padding: 0'"
             >
                 <template #header>
                     <NSpace align="center">
diff --git a/packages/ui/tests/e2e/pro-multi-context-actions.e2e.spec.ts b/packages/ui/tests/e2e/pro-multi-context-actions.e2e.spec.ts
new file mode 100644
index 00000000..c8a998cc
--- /dev/null
+++ b/packages/ui/tests/e2e/pro-multi-context-actions.e2e.spec.ts
@@ -0,0 +1,204 @@
+import { describe, it, expect, vi } from 'vitest'
+import { mount } from '@vue/test-utils'
+import { defineComponent, nextTick, ref } from 'vue'
+import { setActivePinia } from 'pinia'
+
+import type { ConversationMessage } from '@prompt-optimizer/core'
+import ContextSystemWorkspace from '../../src/components/context-mode/ContextSystemWorkspace.vue'
+import { useSessionManager } from '../../src/stores/session/useSessionManager'
+import { createTestPinia } from '../utils/pinia-test-helpers'
+
+// Keep this test focused on UI wiring (click -> messages update -> open editor).
+// Naive UI is mocked so we can trigger events deterministically in JSDOM.
+vi.mock('naive-ui', async (importOriginal) => {
+  const actual = await importOriginal<typeof import('naive-ui')>()
+
+  const NCard = defineComponent({
+    name: 'NCard',
+    template: `
+      <div class="n-card" v-bind="$attrs">
+        <div class="n-card__header"><slot name="header" /></div>
+        <div class="n-card__content"><slot /></div>
+        <div class="n-card__footer"><slot name="footer" /></div>
+      </div>
+    `,
+  })
+
+  const NFlex = defineComponent({
+    name: 'NFlex',
+    template: `<div class="n-flex" v-bind="$attrs"><slot /></div>`,
+  })
+
+  const NButton = defineComponent({
+    name: 'NButton',
+    inheritAttrs: false,
+    emits: ['click'],
+    props: {
+      disabled: { type: Boolean, default: false },
+      loading: { type: Boolean, default: false },
+    },
+    template: `
+      <button
+        class="n-button"
+        v-bind="$attrs"
+        :disabled="disabled || loading"
+        @click="$emit('click')"
+      >
+        <slot name="icon" />
+        <slot />
+      </button>
+    `,
+  })
+
+  const NText = defineComponent({
+    name: 'NText',
+    template: `<span class="n-text" v-bind="$attrs"><slot /></span>`,
+  })
+
+  const NEmpty = defineComponent({
+    name: 'NEmpty',
+    template: `
+      <div class="n-empty" v-bind="$attrs">
+        <div class="n-empty__icon"><slot name="icon" /></div>
+        <div class="n-empty__content"><slot /></div>
+        <div class="n-empty__extra"><slot name="extra" /></div>
+      </div>
+    `,
+  })
+
+  const NSelect = defineComponent({
+    name: 'NSelect',
+    inheritAttrs: false,
+    props: {
+      value: { type: [String, Number, Array, Object], default: undefined },
+      options: { type: Array, default: () => [] },
+    },
+    emits: ['update:value'],
+    template: `<select class="n-select" v-bind="$attrs"></select>`,
+  })
+
+  const NRadioGroup = defineComponent({
+    name: 'NRadioGroup',
+    inheritAttrs: false,
+    props: { value: { type: [String, Number], default: undefined } },
+    emits: ['update:value'],
+    template: `<div class="n-radio-group" v-bind="$attrs"><slot /></div>`,
+  })
+
+  const NRadioButton = defineComponent({
+    name: 'NRadioButton',
+    inheritAttrs: false,
+    template: `<button class="n-radio-button" v-bind="$attrs"><slot /></button>`,
+  })
+
+  const NTooltip = defineComponent({
+    name: 'NTooltip',
+    template: `<span class="n-tooltip" v-bind="$attrs"><slot /></span>`,
+  })
+
+  const NTag = defineComponent({
+    name: 'NTag',
+    template: `<span class="n-tag" v-bind="$attrs"><slot /></span>`,
+  })
+
+  const NSpace = defineComponent({
+    name: 'NSpace',
+    template: `<div class="n-space" v-bind="$attrs"><slot /></div>`,
+  })
+
+  const NScrollbar = defineComponent({
+    name: 'NScrollbar',
+    template: `<div class="n-scrollbar" v-bind="$attrs"><slot /></div>`,
+  })
+
+  const NList = defineComponent({
+    name: 'NList',
+    template: `<div class="n-list" v-bind="$attrs"><slot /></div>`,
+  })
+
+  const NListItem = defineComponent({
+    name: 'NListItem',
+    template: `<div class="n-list-item" v-bind="$attrs"><slot /></div>`,
+  })
+
+  const NDropdown = defineComponent({
+    name: 'NDropdown',
+    template: `<div class="n-dropdown" v-bind="$attrs"><slot /></div>`,
+  })
+
+  return {
+    ...actual,
+    NCard,
+    NFlex,
+    NButton,
+    NText,
+    NEmpty,
+    NSelect,
+    NRadioGroup,
+    NRadioButton,
+    NTooltip,
+    NTag,
+    NSpace,
+    NScrollbar,
+    NList,
+    NListItem,
+    NDropdown,
+  }
+})
+
+describe('Pro Multi: context actions wiring (e2e)', () => {
+  it('can add first message and open context editor', async () => {
+    const { pinia } = createTestPinia()
+    setActivePinia(pinia)
+
+    // ContextSystemWorkspace touches temp variables which depend on session manager readers.
+    // In the app this is injected by PromptOptimizerApp; in tests we inject a stable default.
+    useSessionManager().injectSubModeReaders({
+      getFunctionMode: () => 'pro',
+      getBasicSubMode: () => 'system',
+      getProSubMode: () => 'multi',
+      getImageSubMode: () => 'text2image',
+    })
+
+    const optimizationContext = ref<ConversationMessage[]>([])
+    const openContextEditor = vi.fn()
+
+    const wrapper = mount(ContextSystemWorkspace, {
+      global: {
+        plugins: [pinia],
+        provide: {
+          // ContextSystemWorkspace expects a Ref<AppServices | null>.
+          services: ref(null),
+          optimizationContext,
+          openContextEditor,
+          openModelManager: vi.fn(),
+          openTemplateManager: vi.fn(),
+        },
+        stubs: {
+          // Keep the surface area minimal; we only care about ConversationManager wiring.
+          PromptPanelUI: true,
+          PromptPreviewPanel: true,
+          ConversationTestPanel: true,
+          OutputDisplay: true,
+          SelectWithConfig: true,
+          ToolCallDisplay: true,
+          EvaluationPanel: true,
+          EvaluationScoreBadge: true,
+          VariableAwareInput: true,
+        },
+      },
+    })
+
+    await wrapper.find('[data-testid="pro-multi-add-first-message"]').trigger('click')
+    await nextTick()
+
+    expect(optimizationContext.value).toHaveLength(1)
+    expect(optimizationContext.value[0]?.role).toBe('user')
+
+    await wrapper.find('[data-testid="pro-multi-open-context-editor"]').trigger('click')
+    expect(openContextEditor).toHaveBeenCalledTimes(1)
+
+    const [messages] = openContextEditor.mock.calls[0] ?? []
+    expect(messages).toHaveLength(1)
+  })
+})
diff --git a/packages/ui/tests/tsconfig.json b/packages/ui/tests/tsconfig.json
new file mode 100644
index 00000000..f4074998
--- /dev/null
+++ b/packages/ui/tests/tsconfig.json
@@ -0,0 +1,12 @@
+{
+  "extends": "../tsconfig.json",
+  "include": [
+    "../env.d.ts",
+    "../src/**/*",
+    "../src/**/*.vue",
+    "./**/*"
+  ],
+  "compilerOptions": {
+    "types": ["vitest/globals", "node"]
+  }
+}