diff --git a/apps/stage-tamagotchi/src/renderer/locales/en.yml b/apps/stage-tamagotchi/src/renderer/locales/en.yml
index d079d9ecc..f66b853c7 100644
--- a/apps/stage-tamagotchi/src/renderer/locales/en.yml
+++ b/apps/stage-tamagotchi/src/renderer/locales/en.yml
@@ -79,6 +79,7 @@ stage:
       character-name:
         airi: Airi
         you: You
+        core-system: Core System
     tabs:
       chat: Chat
       clothes: Clothes
diff --git a/apps/stage-tamagotchi/src/renderer/locales/zh-CN.yml b/apps/stage-tamagotchi/src/renderer/locales/zh-CN.yml
index bcd15ddf3..ac3408ac1 100644
--- a/apps/stage-tamagotchi/src/renderer/locales/zh-CN.yml
+++ b/apps/stage-tamagotchi/src/renderer/locales/zh-CN.yml
@@ -66,3 +66,18 @@ stage:
   select-a-model: 选择一个模型
   select-a-voice: 选择一个声线
   waiting: 等待中
+  chat:
+    message:
+      character-name:
+        airi: Airi
+        you: 你
+        core-system: 核心系统
+    tabs:
+      chat: 聊天
+      clothes: 换装
+      custom: 自定义
+  operations:
+    load-models: 加载推理模型
+    load-models-status:
+      loading: 加载中
+      ready: 已就绪
diff --git a/apps/stage-tamagotchi/src/renderer/src/components/ChatHistory.vue b/apps/stage-tamagotchi/src/renderer/src/components/ChatHistory.vue
index 16d70e896..41a20968c 100644
--- a/apps/stage-tamagotchi/src/renderer/src/components/ChatHistory.vue
+++ b/apps/stage-tamagotchi/src/renderer/src/components/ChatHistory.vue
@@ -7,7 +7,7 @@ import { nextTick, ref } from 'vue'
 
 const chatHistoryRef = ref<HTMLDivElement>()
 
-const { messages } = storeToRefs(useChatStore())
+const { messages, sending } = storeToRefs(useChatStore())
 const bounding = useElementBounding(chatHistoryRef, { immediate: true, windowScroll: true, windowResize: true })
 const { y: chatHistoryContainerY } = useScroll(chatHistoryRef)
 
@@ -34,38 +34,58 @@ onTokenLiteral(async () => {
 <template>
   <div py="1" flex="~ col" rounded="lg" overflow-hidden>
     <div flex-1 /> <!-- spacer -->
-    <div ref="chatHistoryRef" v-auto-animate max-h="30vh" flex="~ col" scrollbar="~ w-2 track-color-transparent thumb-color-pink-300 rounded" h-full w-full overflow-scroll>
+    <div
+      ref="chatHistoryRef" v-auto-animate max-h="30vh" flex="~ col"
+      scrollbar="~ w-2 track-color-transparent thumb-color-pink-300 rounded" h-full w-full overflow-scroll
+    >
       <div flex-1 /> <!-- spacer -->
       <div v-for="(message, index) in messages" :key="index" mb-2>
+        <div v-if="message.role === 'error'" flex mr="12">
+          <div
+            flex="~ col" border="4 solid violet-200/50 dark:violet-500/50" shadow="md violet-200/50 dark:none"
+            min-w-20 rounded-lg px-2 py-1 h="unset <sm:fit" bg="<md:violet-500/25"
+          >
+            <div flex="~ row" gap-2>
+              <div flex-1>
+                <span text-xs text="violet-400/90 dark:violet-600/90" font-semibold class="inline <sm:hidden">{{
+                  $t('stage.chat.message.character-name.core-system') }}</span>
+              </div>
+              <div i-solar:danger-triangle-bold-duotone text-violet-500 />
+            </div>
+            <div v-if="sending" i-eos-icons:three-dots-loading />
+            <div
+              v-else class="markdown-content text-violet-500" text="base <sm:xs"
+              v-html="process(message.content as string)"
+            />
+          </div>
+        </div>
         <div v-if="message.role === 'assistant'" flex mr="12">
           <div
-            flex="~ col"
-            border="4 solid pink-200"
-            shadow="md pink-200/50"
-            min-w-20 rounded-lg px-2 py-1
-            h="fit"
+            flex="~ col" border="4 solid pink-200" shadow="md pink-200/50" min-w-20 rounded-lg px-2 py-1 h="fit"
             bg="pink-100"
           >
             <div>
               <span text-xs text="pink-400/90" font-semibold class="inline hidden">Airi</span>
             </div>
-            <div v-if="message.content" class="markdown-content" text="xs pink-400" v-html="process(message.content as string)" />
+            <div
+              v-if="message.content" class="markdown-content" text="xs pink-400"
+              v-html="process(message.content as string)"
+            />
             <div v-else i-eos-icons:three-dots-loading />
           </div>
         </div>
         <div v-else-if="message.role === 'user'" flex="~">
           <div
-            flex="~ col"
-            border="4 solid cyan-200"
-            shadow="md cyan-200/50"
-            px="2"
-            h="fit" min-w-20 rounded-lg px-2 py-1
-            bg="cyan-100"
+            flex="~ col" border="4 solid cyan-200" shadow="md cyan-200/50" px="2" h="fit" min-w-20 rounded-lg px-2
+            py-1 bg="cyan-100"
           >
             <div>
               <span text-xs text="cyan-600/90" font-semibold class="hidden">You</span>
             </div>
-            <div v-if="message.content" class="markdown-content" text="xs cyan-600" v-html="process(message.content as string)" />
+            <div
+              v-if="message.content" class="markdown-content" text="xs cyan-600"
+              v-html="process(message.content as string)"
+            />
             <div v-else />
           </div>
         </div>
diff --git a/apps/stage-tamagotchi/src/renderer/src/components/InteractiveArea.vue b/apps/stage-tamagotchi/src/renderer/src/components/InteractiveArea.vue
index e23a187bf..4f8ec1604 100644
--- a/apps/stage-tamagotchi/src/renderer/src/components/InteractiveArea.vue
+++ b/apps/stage-tamagotchi/src/renderer/src/components/InteractiveArea.vue
@@ -15,6 +15,7 @@ const listening = ref(false)
 // const { selectedAudioDevice, isAudioInputOn, selectedAudioDeviceId } = storeToRefs(useSettings())
 const { isAudioInputOn, selectedAudioDeviceId } = storeToRefs(useSettings())
 const { send, onAfterSend } = useChatStore()
+const { messages } = storeToRefs(useChatStore())
 const { t } = useI18n()
 
 async function handleSend() {
@@ -22,7 +23,16 @@ async function handleSend() {
     return
   }
 
-  await send(messageInput.value)
+  try {
+    await send(messageInput.value)
+  }
+  catch (error) {
+    messages.value.pop()
+    messages.value.push({
+      role: 'error',
+      content: (error as Error).message,
+    })
+  }
 }
 
 const { destroy, start } = useMicVAD(selectedAudioDeviceId, {
diff --git a/apps/stage-web/locales/en.yml b/apps/stage-web/locales/en.yml
index d790e6e30..243785bf4 100644
--- a/apps/stage-web/locales/en.yml
+++ b/apps/stage-web/locales/en.yml
@@ -51,21 +51,21 @@ settings:
     chinese: 简体中文
     english: English
     title: Language
+  live2d:
+    change-model:
+      from-file: Load from File
+      from-file-select: Select
+      from-url: Load from URL
+      from-url-confirm: Load
+      from-url-placeholder: Enter Live2D model URL
+      title: Change Model
+    map-motions:
+      play: Play Motion
+      title: Map Motions
+    title: Live2D Settings
   microphone: Microphone
   model-provider:
     title: Model Providers
-  live2d:
-    title: Live2D Settings
-    change-model:
-      title: Change Model
-      from-url: Load from URL
-      from-url-placeholder: Enter Live2D model URL
-      from-url-confirm: Load
-      from-file: Load from File
-      from-file-select: Select
-    map-motions:
-      title: Map Motions
-      play: Play Motion
   models: Model
   openai-api-key:
     label: OpenAI API Key
@@ -83,6 +83,7 @@ stage:
     message:
       character-name:
         airi: Airi
+        core-system: Core System
         you: You
     tabs:
       chat: Chat
diff --git a/apps/stage-web/locales/zh-CN.yml b/apps/stage-web/locales/zh-CN.yml
index 8b5e48668..a18a8edf4 100644
--- a/apps/stage-web/locales/zh-CN.yml
+++ b/apps/stage-web/locales/zh-CN.yml
@@ -39,20 +39,21 @@ settings:
     chinese: 简体中文
     english: English
     title: 语言
-  model-provider:
-    title: 模型提供商
   live2d:
-    title: Live2D 设置
     change-model:
-      title: 更换模型
-      from-url: 从 URL 加载
-      from-url-placeholder: 输入 Live2D 模型 URL
-      from-url-confirm: 加载
       from-file: 从文件加载
       from-file-select: 选择
+      from-url: 从 URL 加载
+      from-url-confirm: 加载
+      from-url-placeholder: 输入 Live2D 模型 URL
+      title: 更换模型
     map-motions:
-      title: 映射动作
       play: 播放动作
+      title: 映射动作
+    title: Live2D 设置
+  microphone: 麦克风
+  model-provider:
+    title: 模型提供商
   models: 模型
   openai-api-key:
     label: OpenAI API 密钥
@@ -70,9 +71,22 @@ stage:
     message:
       character-name:
         airi: Airi
+        core-system: 核心系统
         you: 你
+    tabs:
+      chat: 聊天
+      clothes: 换装
+      custom: 自定义
   message: 消息
+  operations:
+    load-models: 加载推理模型
+    load-models-status:
+      loading: 加载中
+      ready: 已就绪
   select-a-audio-input: 选择一个音频输入设备
   select-a-model: 选择一个模型
   select-a-voice: 选择一个声线
+  viewers:
+    debug-menu:
+      emotions: 表情
   waiting: 等待中
diff --git a/apps/stage-web/src/components/Layouts/InteractiveArea.vue b/apps/stage-web/src/components/Layouts/InteractiveArea.vue
index df99d0b87..01ad0d286 100644
--- a/apps/stage-web/src/components/Layouts/InteractiveArea.vue
+++ b/apps/stage-web/src/components/Layouts/InteractiveArea.vue
@@ -19,17 +19,35 @@ const showMicrophoneSelect = ref(false)
 const { audioInputs } = useDevicesList({ constraints: { audio: true }, requestPermissions: true })
 const { selectedAudioDevice, isAudioInputOn, selectedAudioDeviceId } = storeToRefs(useSettings())
 const { send, onAfterSend } = useChatStore()
+const { messages } = storeToRefs(useChatStore())
 const { audioContext } = useAudioContext()
 const { t } = useI18n()
 
 const { transcribe: generate, load: loadWhisper, status: whisperStatus, terminate } = useWhisper(WhisperWorker, {
   onComplete: async (res) => {
+    if (!res || !res.trim()) {
+      return
+    }
+
     await send(res)
   },
 })
 
 async function handleSend() {
-  await send(messageInput.value)
+  if (!messageInput.value.trim()) {
+    return
+  }
+
+  try {
+    await send(messageInput.value)
+  }
+  catch (error) {
+    messages.value.pop()
+    messages.value.push({
+      role: 'error',
+      content: (error as Error).message,
+    })
+  }
 }
 
 const { destroy, start } = useMicVAD(selectedAudioDeviceId, {
diff --git a/apps/stage-web/src/components/Widgets/ChatHistory.vue b/apps/stage-web/src/components/Widgets/ChatHistory.vue
index a3053493b..07466a1c9 100644
--- a/apps/stage-web/src/components/Widgets/ChatHistory.vue
+++ b/apps/stage-web/src/components/Widgets/ChatHistory.vue
@@ -7,7 +7,7 @@ import { nextTick, ref } from 'vue'
 
 const chatHistoryRef = ref<HTMLDivElement>()
 
-const { messages } = storeToRefs(useChatStore())
+const { messages, sending } = storeToRefs(useChatStore())
 const bounding = useElementBounding(chatHistoryRef, { immediate: true, windowScroll: true, windowResize: true })
 const { y: chatHistoryContainerY } = useScroll(chatHistoryRef)
 
@@ -32,43 +32,54 @@ onTokenLiteral(async () => {
 </script>
 
 <template>
-  <div
-    relative px="<sm:2" py="<sm:2" flex="~ col" rounded="lg" overflow-hidden
-  >
+  <div relative px="<sm:2" py="<sm:2" flex="~ col" rounded="lg" overflow-hidden>
     <div flex-1 /> <!-- spacer -->
     <div ref="chatHistoryRef" v-auto-animate h-full w-full flex="~ col" overflow-scroll>
       <div flex-1 /> <!-- spacer -->
       <div v-for="(message, index) in messages" :key="index" mb-2>
+        <div v-if="message.role === 'error'" flex mr="12">
+          <div
+            flex="~ col" border="4 solid violet-200/50 dark:violet-500/50" shadow="md violet-200/50 dark:none"
+            min-w-20 rounded-lg px-2 py-1 h="unset <sm:fit" bg="<md:violet-500/25"
+          >
+            <div flex="~ row" gap-2>
+              <div flex-1>
+                <span text-xs text="violet-400/90 dark:violet-600/90" font-semibold class="inline <sm:hidden">{{
+                  $t('stage.chat.message.character-name.core-system') }}</span>
+              </div>
+              <div i-solar:danger-triangle-bold-duotone text-violet-500 />
+            </div>
+            <div v-if="sending" i-eos-icons:three-dots-loading />
+            <div
+              v-else class="markdown-content text-violet-500" text="base <sm:xs"
+              v-html="process(message.content as string)"
+            />
+          </div>
+        </div>
         <div v-if="message.role === 'assistant'" flex mr="12">
           <div
-            flex="~ col"
-            border="4 solid pink-200/50 dark:pink-500/50"
-            shadow="md pink-200/50 dark:none"
-            min-w-20 rounded-lg px-2 py-1
-            h="unset <sm:fit"
-            bg="<md:pink-500/25"
+            flex="~ col" border="4 solid pink-200/50 dark:pink-500/50" shadow="md pink-200/50 dark:none" min-w-20
+            rounded-lg px-2 py-1 h="unset <sm:fit" bg="<md:pink-500/25"
           >
             <div>
-              <span text-xs text="pink-400/90 dark:pink-600/90" font-semibold class="inline <sm:hidden">{{ $t('stage.chat.message.character-name.airi') }}</span>
+              <span text-xs text="pink-400/90 dark:pink-600/90" font-semibold class="inline <sm:hidden">{{
+                $t('stage.chat.message.character-name.airi') }}</span>
             </div>
-            <div v-if="message.content" class="markdown-content" text="base <sm:xs" v-html="process(message.content as string)" />
-            <div v-else i-eos-icons:three-dots-loading />
+            <div v-if="sending" i-eos-icons:three-dots-loading />
+            <div v-else class="markdown-content" text="base <sm:xs" v-html="process(message.content as string)" />
           </div>
         </div>
         <div v-else-if="message.role === 'user'" flex="~ row-reverse" ml="12">
           <div
-            flex="~ col"
-            border="4 solid cyan-200/50 dark:cyan-500/50"
-            shadow="md cyan-200/50 dark:none"
-            px="2"
-            h="unset <sm:fit" min-w-20 rounded-lg px-2 py-1
-            bg="<md:cyan-500/25"
+            flex="~ col" border="4 solid cyan-200/50 dark:cyan-500/50" shadow="md cyan-200/50 dark:none" px="2"
+            h="unset <sm:fit" min-w-20 rounded-lg px-2 py-1 bg="<md:cyan-500/25"
           >
             <div>
-              <span text-xs text="cyan-400/90 dark:cyan-600/90" font-semibold class="inline <sm:hidden">{{ $t('stage.chat.message.character-name.you') }}</span>
+              <span text-xs text="cyan-400/90 dark:cyan-600/90" font-semibold class="inline <sm:hidden">{{
+                $t('stage.chat.message.character-name.you') }}</span>
             </div>
-            <div v-if="message.content" class="markdown-content" text="base <sm:xs" v-html="process(message.content as string)" />
-            <div v-else />
+            <div v-if="sending" i-eos-icons:three-dots-loading />
+            <div v-else class="markdown-content" text="base <sm:xs" v-html="process(message.content as string)" />
           </div>
         </div>
       </div>
diff --git a/apps/stage-web/src/components/Widgets/ModelProviderSettings.vue b/apps/stage-web/src/components/Widgets/ModelProviderSettings.vue
index 6ec3daf5b..a6d69d603 100644
--- a/apps/stage-web/src/components/Widgets/ModelProviderSettings.vue
+++ b/apps/stage-web/src/components/Widgets/ModelProviderSettings.vue
@@ -203,6 +203,58 @@ function addRecordEntry(entries: Array<[string, string]>) {
 function removeRecordEntry(entries: Array<[string, string]>, index: number) {
   entries.splice(index, 1)
 }
+
+// Helper function to get default value from field schema
+function getDefaultValue(field: any, _fieldName: string) {
+  // Check if field has a default value defined
+  if (field.default !== undefined) {
+    return field.default
+  }
+
+  // For record types, return an empty array (for the key-value pairs)
+  if (field.type === 'object' && field.additionalProperties) {
+    return []
+  }
+
+  // Return appropriate empty values based on field type
+  switch (field.type) {
+    case 'string':
+      return ''
+    case 'number':
+    case 'integer':
+      return 0
+    case 'boolean':
+      return false
+    case 'array':
+      return []
+    case 'object':
+      return {}
+    default:
+      return ''
+  }
+}
+
+// Initialize field with default value if not already set
+function initFieldWithDefault(providerId: string, fieldName: string, field: any) {
+  const currentValue = providerValues.value[providerId]?.[fieldName]
+
+  // Only set default if field doesn't already have a value
+  if (currentValue === undefined) {
+    const defaultValue = getDefaultValue(field, fieldName)
+    setFieldValue(providerId, fieldName, defaultValue)
+  }
+}
+
+// Initialize all fields with defaults when provider is expanded
+function initProviderDefaults(providerId: string) {
+  const provider = providers.value.find(p => p.id === providerId)
+  if (!provider || !provider.fields.properties)
+    return
+
+  Object.entries(provider.fields.properties).forEach(([fieldName, field]) => {
+    initFieldWithDefault(providerId, fieldName, field)
+  })
+}
 </script>
 
 <template>
@@ -216,7 +268,7 @@ function removeRecordEntry(entries: Array<[string, string]>, index: number) {
             transition="all ease-in-out duration-250"
             w-full flex items-center gap-1.5 rounded-lg px-4 py-3 outline-none
             class="[&_.provider-icon]:grayscale-100 [&_.provider-icon]:hover:grayscale-0"
-            @click="slotProps.setVisible(!slotProps.visible)"
+            @click="slotProps.setVisible(!slotProps.visible) && initProviderDefaults(provider.id)"
           >
             <div flex="~ row 1" items-center gap-1.5>
               <div
diff --git a/packages/stage-ui/src/components/Collapsable.vue b/packages/stage-ui/src/components/Collapsable.vue
index 76c54a007..f22117852 100644
--- a/packages/stage-ui/src/components/Collapsable.vue
+++ b/packages/stage-ui/src/components/Collapsable.vue
@@ -16,6 +16,7 @@ watchEffect(() => {
 
 function setVisible(value: boolean) {
   visible.value = value
+  return value
 }
 </script>
 
diff --git a/packages/stage-ui/src/stores/chat.ts b/packages/stage-ui/src/stores/chat.ts
index bec4e6498..eade13ed5 100644
--- a/packages/stage-ui/src/stores/chat.ts
+++ b/packages/stage-ui/src/stores/chat.ts
@@ -10,11 +10,18 @@ import { useLLM } from '../stores/llm'
 import { useProvidersStore } from '../stores/providers'
 import { asyncIteratorFromReadableStream } from '../utils/iterator'
 
+export interface ErrorMessage {
+  role: 'error'
+  content: string
+}
+
 export const useChatStore = defineStore('chat', () => {
   const { stream } = useLLM()
   const { t } = useI18n()
   const { providers: providerValues } = storeToRefs(useProvidersStore())
 
+  const sending = ref(false)
+
   const onBeforeMessageComposedHooks = ref<Array<(message: string) => Promise<void>>>([])
   const onAfterMessageComposedHooks = ref<Array<(message: string) => Promise<void>>>([])
   const onBeforeSendHooks = ref<Array<(message: string) => Promise<void>>>([])
@@ -56,7 +63,7 @@ export const useChatStore = defineStore('chat', () => {
     onAssistantResponseEndHooks.value.push(cb)
   }
 
-  const messages = ref<Array<Message>>([
+  const messages = ref<Array<Message | ErrorMessage>>([
     SystemPromptV2(
       t('prompt.prefix'),
       t('prompt.suffix'),
@@ -70,75 +77,83 @@ export const useChatStore = defineStore('chat', () => {
     apiKey?: string
     model?: { id: string }
   }) {
-    if (!sendingMessage)
-      return
+    try {
+      sending.value = true
 
-    for (const hook of onBeforeMessageComposedHooks.value) {
-      await hook(sendingMessage)
+      if (!sendingMessage)
+        return
+
+      for (const hook of onBeforeMessageComposedHooks.value) {
+        await hook(sendingMessage)
+      }
+
+      const {
+        baseUrl = providerValues.value['openrouter-ai']?.baseUrl as string | undefined || '',
+        apiKey = providerValues.value['openrouter-ai']?.apiKey as string | undefined || '',
+        model = providerValues.value['openrouter-ai']?.model as { id: string } | undefined || { id: 'openai/gpt-4o-mini' },
+      } = options ?? { }
+
+      streamingMessage.value = { role: 'assistant', content: '' }
+      messages.value.push({ role: 'user', content: sendingMessage })
+      messages.value.push(streamingMessage.value)
+      const newMessages = messages.value.slice(0, messages.value.length - 1).map(msg => toRaw(msg))
+
+      for (const hook of onAfterMessageComposedHooks.value) {
+        await hook(sendingMessage)
+      }
+
+      for (const hook of onBeforeSendHooks.value) {
+        await hook(sendingMessage)
+      }
+
+      const res = await stream(baseUrl, apiKey, model.id, newMessages as Message[])
+
+      for (const hook of onAfterSendHooks.value) {
+        await hook(sendingMessage)
+      }
+
+      let fullText = ''
+
+      const parser = useLlmmarkerParser({
+        onLiteral: async (literal) => {
+          for (const hook of onTokenLiteralHooks.value) {
+            await hook(literal)
+          }
+
+          streamingMessage.value.content += literal
+        },
+        onSpecial: async (special) => {
+          for (const hook of onTokenSpecialHooks.value) {
+            await hook(special)
+          }
+        },
+      })
+
+      for await (const textPart of asyncIteratorFromReadableStream(res.textStream, async v => v)) {
+        fullText += textPart
+        await parser.consume(textPart)
+      }
+
+      await parser.end()
+
+      for (const hook of onStreamEndHooks.value) {
+        await hook()
+      }
+
+      for (const hook of onAssistantResponseEndHooks.value) {
+        await hook(fullText)
+      }
+
+      // eslint-disable-next-line no-console
+      console.debug('LLM output:', fullText)
     }
-
-    const {
-      baseUrl = providerValues.value['openrouter-ai']?.baseUrl as string | undefined || '',
-      apiKey = providerValues.value['openrouter-ai']?.apiKey as string | undefined || '',
-      model = providerValues.value['openrouter-ai']?.model as { id: string } | undefined || { id: 'openai/gpt-4o-mini' },
-    } = options ?? { }
-
-    streamingMessage.value = { role: 'assistant', content: '' }
-    messages.value.push({ role: 'user', content: sendingMessage })
-    messages.value.push(streamingMessage.value)
-    const newMessages = messages.value.slice(0, messages.value.length - 1).map(msg => toRaw(msg))
-
-    for (const hook of onAfterMessageComposedHooks.value) {
-      await hook(sendingMessage)
+    finally {
+      sending.value = false
     }
-
-    for (const hook of onBeforeSendHooks.value) {
-      await hook(sendingMessage)
-    }
-
-    const res = await stream(baseUrl, apiKey, model.id, newMessages)
-
-    for (const hook of onAfterSendHooks.value) {
-      await hook(sendingMessage)
-    }
-
-    let fullText = ''
-
-    const parser = useLlmmarkerParser({
-      onLiteral: async (literal) => {
-        for (const hook of onTokenLiteralHooks.value) {
-          await hook(literal)
-        }
-
-        streamingMessage.value.content += literal
-      },
-      onSpecial: async (special) => {
-        for (const hook of onTokenSpecialHooks.value) {
-          await hook(special)
-        }
-      },
-    })
-
-    for await (const textPart of asyncIteratorFromReadableStream(res.textStream, async v => v)) {
-      fullText += textPart
-      await parser.consume(textPart)
-    }
-
-    await parser.end()
-
-    for (const hook of onStreamEndHooks.value) {
-      await hook()
-    }
-
-    for (const hook of onAssistantResponseEndHooks.value) {
-      await hook(fullText)
-    }
-
-    // eslint-disable-next-line no-console
-    console.debug('LLM output:', fullText)
   }
 
   return {
+    sending,
     messages,
     streamingMessage,
     send,
diff --git a/packages/stage-ui/src/stores/providers.ts b/packages/stage-ui/src/stores/providers.ts
index 309d8c278..21d7a8c1d 100644
--- a/packages/stage-ui/src/stores/providers.ts
+++ b/packages/stage-ui/src/stores/providers.ts
@@ -4,7 +4,12 @@ import { defineStore } from 'pinia'
 export const useProvidersStore = defineStore('providers', () => {
   const providers = useLocalStorage<Record<string, Record<string, unknown>>>('settings/credentials/providers', {})
 
+  const coreControllerProvider = useLocalStorage<string>('settings/credentials/coreControllerProvider', 'openai')
+  const audioSynthesisProvider = useLocalStorage<string>('settings/credentials/audioSynthesisProvider', 'elevenlabs')
+
   return {
     providers,
+    coreControllerProvider,
+    audioSynthesisProvider,
   }
 })