diff --git a/Cargo.lock b/Cargo.lock
index a59e53a71..09ca3fcd7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -95,8 +95,6 @@ name = "app"
 version = "0.4.27"
 dependencies = [
  "log",
- "serde",
- "serde_json",
  "tauri",
  "tauri-build",
  "tauri-plugin-log",
diff --git a/apps/stage-tamagotchi/src-tauri/Cargo.toml b/apps/stage-tamagotchi/src-tauri/Cargo.toml
index 09d3b78fd..f63ac3cfd 100644
--- a/apps/stage-tamagotchi/src-tauri/Cargo.toml
+++ b/apps/stage-tamagotchi/src-tauri/Cargo.toml
@@ -21,8 +21,6 @@ crate-type = [
 tauri-build = { version = "2.2.0", features = [] }
 
 [dependencies]
-serde_json = "1.0"
-serde = { version = "1.0", features = [ "derive" ] }
 log = "0.4"
 tauri = { version = "2.3.1", features = [
   'macos-private-api',
diff --git a/apps/stage-tamagotchi/src-tauri/src/commands.rs b/apps/stage-tamagotchi/src-tauri/src/commands.rs
index c78858831..17210e03f 100644
--- a/apps/stage-tamagotchi/src-tauri/src/commands.rs
+++ b/apps/stage-tamagotchi/src-tauri/src/commands.rs
@@ -32,6 +32,7 @@ pub async fn open_chat_window(app: tauri::AppHandle) {
     WebviewUrl::App(Path::new("#/chat").to_path_buf()),
   )
   .title("chat")
+  .inner_size(600.0, 800.0)
   .build()
   .unwrap();
 }
diff --git a/apps/stage-tamagotchi/src/components/ChatHistory.vue b/apps/stage-tamagotchi/src/components/ChatHistory.vue
index c32437946..8d1b79b5b 100644
--- a/apps/stage-tamagotchi/src/components/ChatHistory.vue
+++ b/apps/stage-tamagotchi/src/components/ChatHistory.vue
@@ -34,10 +34,10 @@ onTokenLiteral(async () => {
 </script>
 
 <template>
-  <div py="1" flex="~ col" rounded="lg" overflow-hidden>
+  <div py="1" flex="~ col" h-full rounded="lg" overflow-hidden>
     <div flex-1 /> <!-- spacer -->
     <div
-      ref="chatHistoryRef" v-auto-animate max-h="30vh" flex="~ col"
+      ref="chatHistoryRef" v-auto-animate flex="~ col"
       scrollbar="~ w-2 track-color-transparent thumb-color-primary-300 rounded" h-full w-full overflow-scroll
     >
       <div flex-1 /> <!-- spacer -->
diff --git a/apps/stage-tamagotchi/src/components/InteractiveArea.vue b/apps/stage-tamagotchi/src/components/InteractiveArea.vue
index efa4bfc35..c62e7c3f3 100644
--- a/apps/stage-tamagotchi/src/components/InteractiveArea.vue
+++ b/apps/stage-tamagotchi/src/components/InteractiveArea.vue
@@ -4,7 +4,6 @@ import type { ChatProvider } from '@xsai-ext/shared-providers'
 import { useMicVAD } from '@proj-airi/stage-ui/composables'
 import { useChatStore, useConsciousnessStore, useProvidersStore, useSettings } from '@proj-airi/stage-ui/stores'
 import { BasicTextarea } from '@proj-airi/ui'
-import { invoke } from '@tauri-apps/api/core'
 import { storeToRefs } from 'pinia'
 import { onMounted, ref, watch } from 'vue'
 import { useI18n } from 'vue-i18n'
@@ -87,10 +86,6 @@ function handleTranscription(_buffer: Float32Array) {
 //   selectedAudioDevice.value = found
 // }
 
-function openSettings() {
-  invoke('open_settings_window')
-}
-
 watch(isAudioInputOn, async (value) => {
   if (value === 'false') {
     destroy()
@@ -108,30 +103,20 @@ onMounted(() => {
 
 <template>
   <div>
-    <div relative w-full flex gap-1>
-      <TamagotchiChatHistory transform="translate-y-[-100%]" absolute left-0 top-0 w-full />
-      <div flex flex-1>
-        <BasicTextarea
-          v-model="messageInput"
-          :placeholder="t('stage.message')"
-          border="solid 2 primary-100"
-          text="primary-400 hover:primary-600  placeholder:primary-400 placeholder:hover:primary-600"
-          bg="primary-50 dark:[#3c2632]" max-h="[10lh]" min-h="[1lh]"
-          w-full resize-none overflow-y-scroll rounded-l-xl p-2 font-medium outline-none
-          transition="all duration-250 ease-in-out placeholder:all placeholder:duration-250 placeholder:ease-in-out"
-          @submit="handleSend"
-        />
+    <div h-full w-full flex="~ col gap-1">
+      <div w-full flex-1>
+        <TamagotchiChatHistory />
       </div>
-      <div
-        class="px-4 py-2.5"
-        border="solid 2 primary-100 "
-        text="lg primary-400 hover:primary-600  placeholder:primary-400 placeholder:hover:primary-600"
+      <BasicTextarea
+        v-model="messageInput"
+        :placeholder="t('stage.message')"
+        border="solid 2 primary-100"
+        text="primary-400 hover:primary-600  placeholder:primary-400 placeholder:hover:primary-600"
         bg="primary-50 dark:[#3c2632]" max-h="[10lh]" min-h="[1lh]"
-        flex items-center justify-center rounded-r-xl
-        @click="openSettings"
-      >
-        <div i-solar:settings-bold-duotone />
-      </div>
+        w-full resize-none overflow-y-scroll rounded-xl p-2 font-medium outline-none
+        transition="all duration-250 ease-in-out placeholder:all placeholder:duration-250 placeholder:ease-in-out"
+        @submit="handleSend"
+      />
     </div>
   </div>
 </template>
diff --git a/apps/stage-tamagotchi/src/layouts/default.vue b/apps/stage-tamagotchi/src/layouts/default.vue
index 960408d9e..77beeecd0 100644
--- a/apps/stage-tamagotchi/src/layouts/default.vue
+++ b/apps/stage-tamagotchi/src/layouts/default.vue
@@ -3,7 +3,7 @@ import { RouterView } from 'vue-router'
 </script>
 
 <template>
-  <div px-4 py-8 flex="~ col gap-4">
+  <div h-full w-full p-4 flex="~ col gap-4">
     <RouterView />
   </div>
 </template>
diff --git a/apps/stage-tamagotchi/src/layouts/settings.vue b/apps/stage-tamagotchi/src/layouts/settings.vue
index 82944e6ba..6f436b1ab 100644
--- a/apps/stage-tamagotchi/src/layouts/settings.vue
+++ b/apps/stage-tamagotchi/src/layouts/settings.vue
@@ -106,6 +106,7 @@ const routeHeaderMetadata = computed(() => routeHeaderMetadataMap.value[route.pa
       v-if="routeHeaderMetadata"
       :title="routeHeaderMetadata.title"
       :subtitle="routeHeaderMetadata.subtitle"
+      :show-back-button="route.path !== '/settings'"
     />
     <RouterView />
   </div>
diff --git a/apps/stage-tamagotchi/src/pages/chat.vue b/apps/stage-tamagotchi/src/pages/chat.vue
new file mode 100644
index 000000000..6d38828c3
--- /dev/null
+++ b/apps/stage-tamagotchi/src/pages/chat.vue
@@ -0,0 +1,15 @@
+<script setup lang="ts">
+import InteractiveArea from '../components/InteractiveArea.vue'
+</script>
+
+<template>
+  <InteractiveArea
+    class="interaction-area block"
+    h-full w-full transition="opacity duration-250"
+  />
+</template>
+
+<route lang="yaml">
+meta:
+  layout: stage
+</route>
diff --git a/apps/stage-tamagotchi/src/pages/index.vue b/apps/stage-tamagotchi/src/pages/index.vue
index 03c20d9b3..7a37f778a 100644
--- a/apps/stage-tamagotchi/src/pages/index.vue
+++ b/apps/stage-tamagotchi/src/pages/index.vue
@@ -2,10 +2,10 @@
 import { WidgetStage } from '@proj-airi/stage-ui/components'
 import { useMcpStore } from '@proj-airi/stage-ui/stores'
 import { connectServer } from '@proj-airi/tauri-plugin-mcp'
+import { invoke } from '@tauri-apps/api/core'
 import { storeToRefs } from 'pinia'
 import { computed, onMounted } from 'vue'
 
-import InteractiveArea from '../components/InteractiveArea.vue'
 import { useWindowShortcuts } from '../composables/window-shortcuts'
 import { useWindowControlStore } from '../stores/window-controls'
 import { WindowControlMode } from '../types/window-controls'
@@ -29,6 +29,14 @@ const modeIndicatorClass = computed(() => {
   }
 })
 
+function openSettings() {
+  invoke('open_settings_window')
+}
+
+function openChat() {
+  invoke('open_chat_window')
+}
+
 onMounted(async () => {
   if (connected.value)
     return
@@ -58,11 +66,30 @@ onMounted(async () => {
   >
     <div relative h-full w-full items-end gap-2 class="view">
       <WidgetStage h-full w-full flex-1 mb="<md:18" />
-      <InteractiveArea
-        class="interaction-area block"
-        :class="{ 'pointer-events-none': !windowStore.isControlActive }"
-        absolute bottom-0 w-full transition="opacity duration-250" op-0
-      />
+      <div
+        absolute bottom-4 left-4 flex gap-1 op-0 transition="opacity duration-250"
+        class="interaction-area"
+        :class="{ 'pointer-events-none': windowStore.isControlActive }"
+      >
+        <div
+          border="solid 2 primary-100 "
+          text="lg primary-400 hover:primary-600  placeholder:primary-400 placeholder:hover:primary-600"
+          bg="primary-50 dark:[#3c2632]" max-h="[10lh]" min-h="[1lh]"
+          flex cursor-pointer items-center justify-center rounded-l-xl p-4 transition-colors
+          @click="openChat"
+        >
+          <div i-solar:chat-line-bold-duotone />
+        </div>
+        <div
+          border="solid 2 primary-100 "
+          text="lg primary-400 hover:primary-600  placeholder:primary-400 placeholder:hover:primary-600"
+          bg="primary-50 dark:[#3c2632]" max-h="[10lh]" min-h="[1lh]"
+          flex cursor-pointer items-center justify-center rounded-r-xl p-4 transition-colors
+          @click="openSettings"
+        >
+          <div i-solar:settings-bold-duotone />
+        </div>
+      </div>
     </div>
 
     <!-- Debug Mode UI -->
diff --git a/packages/stage-ui/src/components/Layouts/PageHeader.vue b/packages/stage-ui/src/components/Layouts/PageHeader.vue
index f51100fc5..474d9fff0 100644
--- a/packages/stage-ui/src/components/Layouts/PageHeader.vue
+++ b/packages/stage-ui/src/components/Layouts/PageHeader.vue
@@ -3,10 +3,13 @@ import { useMotion } from '@vueuse/motion'
 import { onMounted, onUnmounted, ref, watch } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
 
-const props = defineProps<{
+const props = withDefaults(defineProps<{
   title: string
   subtitle?: string
-}>()
+  showBackButton?: boolean
+}>(), {
+  showBackButton: true,
+})
 
 const router = useRouter()
 const route = useRoute()
@@ -54,7 +57,10 @@ watch([() => props.title, () => props.subtitle, route], async () => {
     bg="$bg-color"
   >
     <button @click="router.back()">
-      <div i-solar:alt-arrow-left-line-duotone text-2xl />
+      <div
+        i-solar:alt-arrow-left-line-duotone text-2xl
+        :class="{ 'pointer-events-none op-0': !showBackButton }"
+      />
     </button>
     <h1 relative>
       <div v-if="subtitle" absolute left-0 top-0 translate-y="[-80%]">
diff --git a/packages/stage-ui/src/stores/mcp.ts b/packages/stage-ui/src/stores/mcp.ts
index edc05d0fb..48ede9244 100644
--- a/packages/stage-ui/src/stores/mcp.ts
+++ b/packages/stage-ui/src/stores/mcp.ts
@@ -1,11 +1,10 @@
 import { useLocalStorage } from '@vueuse/core'
 import { defineStore } from 'pinia'
-import { ref } from 'vue'
 
 export const useMcpStore = defineStore('mcp', () => {
   const serverCmd = useLocalStorage('settings/mcp/server-cmd', '')
   const serverArgs = useLocalStorage('settings/mcp/server-args', '')
-  const connected = ref(false)
+  const connected = useLocalStorage('mcp/connected', false) // use local storage to sync between windows
 
   return {
     serverCmd,