feat(chat): add error handling for message sending and session creation

dashboard/src/components/chat/ChatInput.vue

@@ -15,6 +15,7 @@
                         :session-id="sessionId || null"
                         :platform-id="sessionPlatformId"
                         :is-group="sessionIsGroup"
+                        :initial-config-id="props.configId"
                         @config-changed="handleConfigChange"
                     />
                     <ProviderModelSelector v-if="showProviderSelector" ref="providerModelSelectorRef" />
@@ -79,11 +80,13 @@ interface Props {
     isRecording: boolean;
     sessionId?: string | null;
     currentSession?: Session | null;
+    configId?: string | null;
 }
 
 const props = withDefaults(defineProps<Props>(), {
     sessionId: null,
-    currentSession: null
+    currentSession: null,
+    configId: null
 });
 
 const emit = defineEmits<{

dashboard/src/components/chat/ConfigSelector.vue

@@ -90,10 +90,12 @@ const props = withDefaults(defineProps<{
     sessionId?: string | null;
     platformId?: string;
     isGroup?: boolean;
+    initialConfigId?: string | null;
 }>(), {
     sessionId: null,
     platformId: 'webchat',
-    isGroup: false
+    isGroup: false,
+    initialConfigId: null
 });
 
 const emit = defineEmits<{ 'config-changed': [ConfigChangedPayload] }>();
@@ -291,7 +293,7 @@ watch(
 
 onMounted(async () => {
     await fetchConfigList();
-    const stored = localStorage.getItem(STORAGE_KEY) || 'default';
+    const stored = props.initialConfigId || localStorage.getItem(STORAGE_KEY) || 'default';
     selectedConfigId.value = stored;
     await setSelection(stored);
     await syncSelectionForSession();

dashboard/src/components/chat/StandaloneChat.vue

@@ -0,0 +1,319 @@
+<template>
+    <v-card class="standalone-chat-card" elevation="0" rounded="0">
+        <v-card-text class="standalone-chat-container">
+            <div class="chat-layout">
+                <!-- 聊天内容区域 -->
+                <div class="chat-content-panel">
+                    <MessageList v-if="messages && messages.length > 0" :messages="messages" :isDark="isDark"
+                        :isStreaming="isStreaming || isConvRunning" @openImagePreview="openImagePreview"
+                        ref="messageList" />
+                    <div class="welcome-container fade-in" v-else>
+                        <div class="welcome-title">
+                            <span>Hello, I'm</span>
+                            <span class="bot-name">AstrBot ⭐</span>
+                        </div>
+                        <p class="text-caption text-medium-emphasis mt-2">
+                            测试配置: {{ configId || 'default' }}
+                        </p>
+                    </div>
+
+                    <!-- 输入区域 -->
+                    <ChatInput
+                        v-model:prompt="prompt"
+                        :stagedImagesUrl="stagedImagesUrl"
+                        :stagedAudioUrl="stagedAudioUrl"
+                        :disabled="isStreaming || isConvRunning"
+                        :enableStreaming="enableStreaming"
+                        :isRecording="isRecording"
+                        :session-id="currSessionId || null"
+                        :current-session="getCurrentSession"
+                        :config-id="configId"
+                        @send="handleSendMessage"
+                        @toggleStreaming="toggleStreaming"
+                        @removeImage="removeImage"
+                        @removeAudio="removeAudio"
+                        @startRecording="handleStartRecording"
+                        @stopRecording="handleStopRecording"
+                        @pasteImage="handlePaste"
+                        @fileSelect="handleFileSelect"
+                        ref="chatInputRef"
+                    />
+                </div>
+            </div>
+        </v-card-text>
+    </v-card>
+
+    <!-- 图片预览对话框 -->
+    <v-dialog v-model="imagePreviewDialog" max-width="90vw" max-height="90vh">
+        <v-card class="image-preview-card" elevation="8">
+            <v-card-title class="d-flex justify-space-between align-center pa-4">
+                <span>{{ t('core.common.imagePreview') }}</span>
+                <v-btn icon="mdi-close" variant="text" @click="imagePreviewDialog = false" />
+            </v-card-title>
+            <v-card-text class="text-center pa-4">
+                <img :src="previewImageUrl" class="preview-image-large" />
+            </v-card-text>
+        </v-card>
+    </v-dialog>
+</template>
+
+<script setup lang="ts">
+import { ref, computed, onMounted, onBeforeUnmount, nextTick } from 'vue';
+import axios from 'axios';
+import { useCustomizerStore } from '@/stores/customizer';
+import { useI18n, useModuleI18n } from '@/i18n/composables';
+import { useTheme } from 'vuetify';
+import MessageList from '@/components/chat/MessageList.vue';
+import ChatInput from '@/components/chat/ChatInput.vue';
+import { useMessages } from '@/composables/useMessages';
+import { useMediaHandling } from '@/composables/useMediaHandling';
+import { useRecording } from '@/composables/useRecording';
+import { useToast } from '@/utils/toast';
+
+interface Props {
+    configId?: string | null;
+}
+
+const props = withDefaults(defineProps<Props>(), {
+    configId: null
+});
+
+const { t } = useI18n();
+const { error: showError } = useToast();
+
+// UI 状态
+const imagePreviewDialog = ref(false);
+const previewImageUrl = ref('');
+
+// 会话管理（不使用 useSessions 避免路由跳转）
+const currSessionId = ref('');
+const getCurrentSession = computed(() => null); // 独立测试模式不需要会话信息
+
+async function newSession() {
+    try {
+        const response = await axios.get('/api/chat/new_session');
+        const sessionId = response.data.data.session_id;
+        currSessionId.value = sessionId;
+        return sessionId;
+    } catch (err) {
+        console.error(err);
+        throw err;
+    }
+}
+
+function updateSessionTitle(sessionId: string, title: string) {
+    // 独立模式不需要更新会话标题
+}
+
+function getSessions() {
+    // 独立模式不需要加载会话列表
+}
+
+const {
+    stagedImagesName,
+    stagedImagesUrl,
+    stagedAudioUrl,
+    getMediaFile,
+    processAndUploadImage,
+    handlePaste,
+    removeImage,
+    removeAudio,
+    clearStaged,
+    cleanupMediaCache
+} = useMediaHandling();
+
+const { isRecording, startRecording: startRec, stopRecording: stopRec } = useRecording();
+
+const {
+    messages,
+    isStreaming,
+    isConvRunning,
+    enableStreaming,
+    getSessionMessages: getSessionMsg,
+    sendMessage: sendMsg,
+    toggleStreaming
+} = useMessages(currSessionId, getMediaFile, updateSessionTitle, getSessions);
+
+// 组件引用
+const messageList = ref<InstanceType<typeof MessageList> | null>(null);
+const chatInputRef = ref<InstanceType<typeof ChatInput> | null>(null);
+
+// 输入状态
+const prompt = ref('');
+
+const isDark = computed(() => useCustomizerStore().uiTheme === 'PurpleThemeDark');
+
+function openImagePreview(imageUrl: string) {
+    previewImageUrl.value = imageUrl;
+    imagePreviewDialog.value = true;
+}
+
+async function handleStartRecording() {
+    await startRec();
+}
+
+async function handleStopRecording() {
+    const audioFilename = await stopRec();
+    stagedAudioUrl.value = audioFilename;
+}
+
+async function handleFileSelect(files: FileList) {
+    for (const file of files) {
+        await processAndUploadImage(file);
+    }
+}
+
+async function handleSendMessage() {
+    if (!prompt.value.trim() && stagedImagesName.value.length === 0 && !stagedAudioUrl.value) {
+        return;
+    }
+
+    try {
+        if (!currSessionId.value) {
+            await newSession();
+        }
+
+        const promptToSend = prompt.value.trim();
+        const imageNamesToSend = [...stagedImagesName.value];
+        const audioNameToSend = stagedAudioUrl.value;
+
+        // 清空输入和附件
+        prompt.value = '';
+        clearStaged();
+
+        // 获取选择的提供商和模型
+        const selection = chatInputRef.value?.getCurrentSelection();
+        const selectedProviderId = selection?.providerId || '';
+        const selectedModelName = selection?.modelName || '';
+
+        await sendMsg(
+            promptToSend,
+            imageNamesToSend,
+            audioNameToSend,
+            selectedProviderId,
+            selectedModelName
+        );
+
+        // 滚动到底部
+        nextTick(() => {
+            messageList.value?.scrollToBottom();
+        });
+    } catch (err) {
+        console.error('Failed to send message:', err);
+        showError(t('features.chat.errors.sendMessageFailed'));
+        // 恢复输入内容，让用户可以重试
+        // 注意：附件已经上传到服务器，所以不恢复附件
+    }
+}
+
+onMounted(async () => {
+    // 独立模式在挂载时创建新会话
+    try {
+        await newSession();
+    } catch (err) {
+        console.error('Failed to create initial session:', err);
+        showError(t('features.chat.errors.createSessionFailed'));
+    }
+});
+
+onBeforeUnmount(() => {
+    cleanupMediaCache();
+});
+</script>
+
+<style scoped>
+/* 基础动画 */
+@keyframes fadeIn {
+    from {
+        opacity: 0;
+        transform: translateY(10px);
+    }
+    to {
+        opacity: 1;
+        transform: translateY(0);
+    }
+}
+
+.standalone-chat-card {
+    width: 100%;
+    height: 100%;
+    max-height: 100%;
+    overflow: hidden;
+}
+
+.standalone-chat-container {
+    width: 100%;
+    height: 100%;
+    max-height: 100%;
+    padding: 0;
+    overflow: hidden;
+}
+
+.chat-layout {
+    height: 100%;
+    max-height: 100%;
+    display: flex;
+    overflow: hidden;
+}
+
+.chat-content-panel {
+    height: 100%;
+    max-height: 100%;
+    width: 100%;
+    display: flex;
+    flex-direction: column;
+    overflow: hidden;
+}
+
+.conversation-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    padding: 8px;
+    padding-left: 16px;
+    border-bottom: 1px solid var(--v-theme-border);
+    width: 100%;
+    padding-right: 32px;
+    flex-shrink: 0;
+}
+
+.conversation-header-info h4 {
+    margin: 0;
+    font-weight: 500;
+}
+
+.conversation-header-actions {
+    display: flex;
+    gap: 8px;
+    align-items: center;
+}
+
+.welcome-container {
+    height: 100%;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    flex-direction: column;
+}
+
+.welcome-title {
+    font-size: 28px;
+    margin-bottom: 8px;
+}
+
+.bot-name {
+    font-weight: 700;
+    margin-left: 8px;
+    color: var(--v-theme-secondary);
+}
+
+.fade-in {
+    animation: fadeIn 0.3s ease-in-out;
+}
+
+.preview-image-large {
+    max-width: 100%;
+    max-height: 70vh;
+    object-fit: contain;
+}
+</style>

dashboard/src/i18n/locales/en-US/features/chat.json

@@ -85,5 +85,9 @@
       "reconnected": "Chat connection re-established",
       "failed": "Connection failed, please refresh the page"
     }
+  },
+  "errors": {
+    "sendMessageFailed": "Failed to send message, please try again",
+    "createSessionFailed": "Failed to create session, please refresh the page"
   }
 } 

dashboard/src/i18n/locales/zh-CN/features/chat.json

@@ -85,5 +85,9 @@
       "reconnected": "聊天连接已重新建立",
       "failed": "连接失败，请刷新页面重试"
     }
+  },
+  "errors": {
+    "sendMessageFailed": "发送消息失败，请重试",
+    "createSessionFailed": "创建会话失败，请刷新页面重试"
   }
 } 

dashboard/src/views/ConfigPage.vue

@@ -45,6 +45,15 @@
             @click="configToString(); codeEditorDialog = true">
           </v-btn>
 
+          <v-tooltip text="测试当前配置" location="left" v-if="!isSystemConfig">
+            <template v-slot:activator="{ props }">
+              <v-btn v-bind="props" icon="mdi-chat-processing" size="x-large" 
+                style="position: fixed; right: 52px; bottom: 196px;" color="secondary"
+                @click="openTestChat">
+              </v-btn>
+            </template>
+          </v-tooltip>
+
         </div>
       </v-slide-y-transition>
 
@@ -135,6 +144,34 @@
   </v-snackbar>
 
   <WaitingForRestart ref="wfr"></WaitingForRestart>
+
+  <!-- 测试聊天抽屉 -->
+  <v-overlay
+    v-model="testChatDrawer"
+    class="test-chat-overlay"
+    location="right"
+    transition="slide-x-reverse-transition"
+    :scrim="true"
+    @click:outside="closeTestChat"
+  >
+    <v-card class="test-chat-card" elevation="12">
+      <div class="test-chat-header">
+        <div>
+          <span class="text-h6">测试配置</span>
+          <div v-if="selectedConfigInfo.name" class="text-caption text-grey">
+            {{ selectedConfigInfo.name }} ({{ testConfigId }})
+          </div>
+        </div>
+        <v-btn icon variant="text" @click="closeTestChat">
+          <v-icon>mdi-close</v-icon>
+        </v-btn>
+      </div>
+      <v-divider></v-divider>
+      <div class="test-chat-content">
+        <StandaloneChat v-if="testChatDrawer" :configId="testConfigId" />
+      </div>
+    </v-card>
+  </v-overlay>
 </template>
 
 
@@ -142,6 +179,7 @@
 import axios from 'axios';
 import AstrBotCoreConfigWrapper from '@/components/config/AstrBotCoreConfigWrapper.vue';
 import WaitingForRestart from '@/components/shared/WaitingForRestart.vue';
+import StandaloneChat from '@/components/chat/StandaloneChat.vue';
 import { VueMonacoEditor } from '@guolao/vue-monaco-editor'
 import { useI18n, useModuleI18n } from '@/i18n/composables';
 
@@ -150,7 +188,8 @@ export default {
   components: {
     AstrBotCoreConfigWrapper,
     VueMonacoEditor,
-    WaitingForRestart
+    WaitingForRestart,
+    StandaloneChat
   },
   props: {
     initialConfigId: {
@@ -238,6 +277,10 @@ export default {
         name: '',
       },
       editingConfigId: null,
+
+      // 测试聊天
+      testChatDrawer: false,
+      testConfigId: null,
     }
   },
   mounted() {
@@ -506,6 +549,20 @@ export default {
           this.getConfigInfoList("default");
         }
       }
+    },
+    openTestChat() {
+      if (!this.selectedConfigID) {
+        this.save_message = "请先选择一个配置文件";
+        this.save_message_snack = true;
+        this.save_message_success = "warning";
+        return;
+      }
+      this.testConfigId = this.selectedConfigID;
+      this.testChatDrawer = true;
+    },
+    closeTestChat() {
+      this.testChatDrawer = false;
+      this.testConfigId = null;
     }
   },
 }
@@ -565,4 +622,32 @@ export default {
     width: 100%;
   }
 }
+
+/* 测试聊天抽屉样式 */
+.test-chat-overlay {
+  align-items: stretch;
+  justify-content: flex-end;
+}
+
+.test-chat-card {
+  width: clamp(320px, 50vw, 720px);
+  height: calc(100vh - 32px);
+  display: flex;
+  flex-direction: column;
+  margin: 16px;
+}
+
+.test-chat-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 16px 20px 12px 20px;
+}
+
+.test-chat-content {
+  flex: 1;
+  overflow: hidden;
+  padding: 0;
+  border-radius: 0 0 16px 16px;
+}
 </style>