diff --git a/packages/web/src/components/loading-button/index.vue b/packages/web/src/components/loading-button/index.vue
new file mode 100644
index 00000000..a6f2983e
--- /dev/null
+++ b/packages/web/src/components/loading-button/index.vue
@@ -0,0 +1,33 @@
+<template>
+  <Button
+    v-bind="$attrs"
+    :disabled="loading || disabled"
+    :variant="variant"
+    :size="size"
+  >
+    <Spinner
+      v-if="loading"
+      class="size-4"
+    />
+    <slot />
+  </Button>
+</template>
+
+<script setup lang="ts">
+import { Button, Spinner } from '@memoh/ui'
+import type { ButtonVariants } from '@memoh/ui'
+
+defineOptions({ inheritAttrs: false })
+
+withDefaults(defineProps<{
+  loading?: boolean
+  disabled?: boolean
+  variant?: ButtonVariants['variant']
+  size?: ButtonVariants['size']
+}>(), {
+  loading: false,
+  disabled: false,
+  variant: 'default',
+  size: 'default',
+})
+</script>
diff --git a/packages/web/src/components/status-dot/index.vue b/packages/web/src/components/status-dot/index.vue
new file mode 100644
index 00000000..69ef990b
--- /dev/null
+++ b/packages/web/src/components/status-dot/index.vue
@@ -0,0 +1,25 @@
+<template>
+  <span
+    class="inline-block size-2 rounded-full"
+    :class="colorClass"
+  />
+</template>
+
+<script setup lang="ts">
+import { computed } from 'vue'
+
+const props = withDefaults(defineProps<{
+  status: 'success' | 'error' | 'warning' | 'idle'
+}>(), {
+  status: 'idle',
+})
+
+const colorClass = computed(() => {
+  switch (props.status) {
+    case 'success': return 'bg-green-500'
+    case 'error': return 'bg-red-500'
+    case 'warning': return 'bg-yellow-500'
+    default: return 'bg-muted-foreground'
+  }
+})
+</script>
diff --git a/packages/web/src/components/warning-banner/index.vue b/packages/web/src/components/warning-banner/index.vue
new file mode 100644
index 00000000..05766e4a
--- /dev/null
+++ b/packages/web/src/components/warning-banner/index.vue
@@ -0,0 +1,5 @@
+<template>
+  <div class="rounded-md border border-yellow-300/50 bg-yellow-50/70 p-3 text-sm text-yellow-800 dark:border-yellow-800/50 dark:bg-yellow-900/10 dark:text-yellow-200">
+    <slot />
+  </div>
+</template>
diff --git a/packages/web/src/composables/api/useChat.chat-api.ts b/packages/web/src/composables/api/useChat.chat-api.ts
index bb5f9245..5fb3886a 100644
--- a/packages/web/src/composables/api/useChat.chat-api.ts
+++ b/packages/web/src/composables/api/useChat.chat-api.ts
@@ -1,5 +1,4 @@
-import { client } from '@memoh/sdk/client'
-import { getBots } from '@memoh/sdk'
+import { getBots, deleteBotsByBotIdMessages } from '@memoh/sdk'
 import type { Bot, ChatSummary } from './useChat.types'
 
 export async function fetchBots(): Promise<Bot[]> {
@@ -23,8 +22,7 @@ export async function deleteChat(botId: string, chatId: string): Promise<void> {
   if (botId.trim() !== chatId.trim()) {
     throw new Error('chat id must match bot id')
   }
-  await client.delete({
-    url: '/bots/{bot_id}/messages',
+  await deleteBotsByBotIdMessages({
     path: { bot_id: botId },
     throwOnError: true,
   })
diff --git a/packages/web/src/composables/api/useChat.message-api.ts b/packages/web/src/composables/api/useChat.message-api.ts
index 2b7e455b..2887ada3 100644
--- a/packages/web/src/composables/api/useChat.message-api.ts
+++ b/packages/web/src/composables/api/useChat.message-api.ts
@@ -1,5 +1,5 @@
 import { client } from '@memoh/sdk/client'
-import { postBotsByBotIdWebMessages } from '@memoh/sdk'
+import { getBotsByBotIdMessages, postBotsByBotIdWebMessages } from '@memoh/sdk'
 import type { ChannelAttachment, ChannelMessage } from '@memoh/sdk'
 import type {
   ChatAttachment,
@@ -19,20 +19,16 @@ export async function fetchMessages(
     throw new Error('chat id must match bot id')
   }
 
-  const query: Record<string, string> = {}
-  query.limit = String(options?.limit ?? 30)
-  if (options?.before?.trim()) {
-    query.before = options.before.trim()
-  }
-
-  const { data } = await client.get({
-    url: '/bots/{bot_id}/messages',
+  const { data } = await getBotsByBotIdMessages({
     path: { bot_id: botId },
-    query,
+    query: {
+      limit: options?.limit ?? 30,
+      ...(options?.before?.trim() ? { before: options.before.trim() } : {}),
+    },
     throwOnError: true,
-  }) as { data: { items?: Message[] } }
+  })
 
-  return data?.items ?? []
+  return (data as unknown as { items?: Message[] })?.items ?? []
 }
 
 export async function sendLocalChannelMessage(
@@ -68,13 +64,14 @@ export async function streamLocalChannel(
   const id = botId.trim()
   if (!id) throw new Error('bot id is required')
 
-  const { data: body } = await client.get({
+  const response = await client.get({
     url: '/bots/{bot_id}/web/stream',
     path: { bot_id: id },
     parseAs: 'stream',
     signal,
     throwOnError: true,
-  }) as { data: ReadableStream<Uint8Array> }
+  })
+  const body = response.data as ReadableStream<Uint8Array> | null
 
   if (!body) throw new Error('No response body')
 
@@ -96,14 +93,15 @@ export async function streamMessageEvents(
   const query: Record<string, string> = {}
   if (since?.trim()) query.since = since.trim()
 
-  const { data: body } = await client.get({
+  const response = await client.get({
     url: '/bots/{bot_id}/messages/events',
     path: { bot_id: id },
     query,
     parseAs: 'stream',
     signal,
     throwOnError: true,
-  }) as { data: ReadableStream<Uint8Array> }
+  })
+  const body = response.data as ReadableStream<Uint8Array> | null
 
   if (!body) throw new Error('No response body')
 
@@ -111,6 +109,6 @@ export async function streamMessageEvents(
     const parsed = parseStreamPayload(payload)
     if (!parsed || typeof parsed !== 'object' || !('type' in parsed)) return
     if (typeof parsed.type !== 'string' || !parsed.type.trim()) return
-    onEvent(parsed as unknown as MessageStreamEvent)
+    onEvent(parsed as MessageStreamEvent)
   })
 }
diff --git a/packages/web/src/composables/api/usePlatform.ts b/packages/web/src/composables/api/usePlatform.ts
index 717f74a5..d5abd700 100644
--- a/packages/web/src/composables/api/usePlatform.ts
+++ b/packages/web/src/composables/api/usePlatform.ts
@@ -21,10 +21,10 @@ export function usePlatformList() {
   return useQuery({
     key: ['platform'],
     query: async () => {
-      const { data } = await client.get({
+      const { data } = await client.get<PlatformItem[]>({
         url: '/platform/',
         throwOnError: true,
-      }) as { data: PlatformItem[] }
+      })
       return data
     },
   })
@@ -36,7 +36,7 @@ export function useCreatePlatform() {
   const queryCache = useQueryCache()
   return useMutation({
     mutation: (data: CreatePlatformRequest) =>
-      client.post({ url: '/platform/', body: data, throwOnError: true }),
+      client.post<void>({ url: '/platform/', body: data, throwOnError: true }),
     onSettled: () => queryCache.invalidateQueries({ key: ['platform'] }),
   })
 }
diff --git a/packages/web/src/pages/bots/components/bot-heartbeat.vue b/packages/web/src/pages/bots/components/bot-heartbeat.vue
index 2c12e2cf..30fae096 100644
--- a/packages/web/src/pages/bots/components/bot-heartbeat.vue
+++ b/packages/web/src/pages/bots/components/bot-heartbeat.vue
@@ -191,7 +191,7 @@
 
       <!-- Expanded detail -->
       <div
-        v-for="log in filteredLogs.filter(l => expandedIds.has(l.id))"
+        v-for="log in filteredLogs.filter(l => l.id && expandedIds.has(l.id))"
         :key="'detail-' + log.id"
         class="rounded-md border bg-muted/20 p-4 text-sm whitespace-pre-wrap wrap-break-word"
       >
@@ -243,8 +243,12 @@ import {
 } from '@memoh/ui'
 import ConfirmPopover from '@/components/confirm-popover/index.vue'
 import ModelSelect from './model-select.vue'
-import { client } from '@memoh/sdk/client'
-import { getBotsByBotIdSettings, putBotsByBotIdSettings, getModels, getProviders } from '@memoh/sdk'
+import {
+  getBotsByBotIdSettings, putBotsByBotIdSettings,
+  getBotsByBotIdHeartbeatLogs, deleteBotsByBotIdHeartbeatLogs,
+  getModels, getProviders,
+} from '@memoh/sdk'
+import type { SettingsSettings, SettingsUpsertRequest, HeartbeatLog } from '@memoh/sdk'
 import { useQuery, useMutation, useQueryCache } from '@pinia/colada'
 import { resolveApiErrorMessage } from '@/utils/api-error'
 import { formatDateTime } from '@/utils/date-time'
@@ -294,24 +298,24 @@ const settingsForm = reactive({
   heartbeat_model_id: '',
 })
 
-watch(settings, (val) => {
+watch(settings, (val: SettingsSettings | undefined) => {
   if (val) {
-    settingsForm.heartbeat_enabled = (val as any).heartbeat_enabled ?? false
-    settingsForm.heartbeat_interval = (val as any).heartbeat_interval ?? 30
-    settingsForm.heartbeat_model_id = (val as any).heartbeat_model_id ?? ''
+    settingsForm.heartbeat_enabled = val.heartbeat_enabled ?? false
+    settingsForm.heartbeat_interval = val.heartbeat_interval ?? 30
+    settingsForm.heartbeat_model_id = val.heartbeat_model_id ?? ''
   }
 }, { immediate: true })
 
 const settingsChanged = computed(() => {
   if (!settings.value) return false
-  const s = settings.value as any
+  const s: SettingsSettings = settings.value
   return settingsForm.heartbeat_enabled !== (s.heartbeat_enabled ?? false)
     || settingsForm.heartbeat_interval !== (s.heartbeat_interval ?? 30)
     || settingsForm.heartbeat_model_id !== (s.heartbeat_model_id ?? '')
 })
 
 const { mutateAsync: updateSettings, isLoading: isSaving } = useMutation({
-  mutation: async (body: Record<string, unknown>) => {
+  mutation: async (body: SettingsUpsertRequest) => {
     const { data } = await putBotsByBotIdSettings({
       path: { bot_id: botIdRef.value },
       body,
@@ -331,17 +335,6 @@ async function handleSaveSettings() {
   }
 }
 
-interface HeartbeatLog {
-  id: string
-  bot_id: string
-  status: 'ok' | 'alert' | 'error'
-  result_text: string
-  error_message: string
-  usage: any
-  started_at: string
-  completed_at: string | null
-}
-
 const isLoading = ref(false)
 const isClearing = ref(false)
 const logs = ref<HeartbeatLog[]>([])
@@ -356,32 +349,33 @@ const filteredLogs = computed(() => {
   return logs.value.filter(l => l.status === statusFilter.value)
 })
 
-function statusVariant(status: string) {
+function statusVariant(status: string | undefined) {
   if (status === 'ok') return 'secondary' as const
   if (status === 'alert') return 'default' as const
   return 'destructive' as const
 }
 
-function statusLabel(status: string) {
+function statusLabel(status: string | undefined) {
   if (status === 'ok') return t('bots.heartbeat.statusOk')
   if (status === 'alert') return t('bots.heartbeat.statusAlert')
   return t('bots.heartbeat.statusError')
 }
 
-function formatDuration(startedAt: string, completedAt: string | null) {
-  if (!completedAt) return '—'
+function formatDuration(startedAt: string | undefined, completedAt: string | null | undefined) {
+  if (!startedAt || !completedAt) return '—'
   const ms = new Date(completedAt).getTime() - new Date(startedAt).getTime()
   if (ms < 1000) return `${ms}ms`
   return `${(ms / 1000).toFixed(1)}s`
 }
 
-function truncateText(text: string, maxLen = 80) {
+function truncateText(text: string | undefined, maxLen = 80) {
   if (!text) return ''
   if (text === 'HEARTBEAT_OK') return 'HEARTBEAT_OK'
   return text.length > maxLen ? text.slice(0, maxLen) + '…' : text
 }
 
-function toggleExpand(id: string) {
+function toggleExpand(id: string | undefined) {
+  if (!id) return
   if (expandedIds.value.has(id)) {
     expandedIds.value.delete(id)
   } else {
@@ -393,14 +387,12 @@ async function fetchLogs(before?: string) {
   if (!props.botId) return
   isLoading.value = true
   try {
-    const params = new URLSearchParams({ limit: String(PAGE_SIZE) })
-    if (before) params.set('before', before)
-    const { data, error } = await client.get({
-      url: `/bots/${props.botId}/heartbeat/logs`,
+    const { data } = await getBotsByBotIdHeartbeatLogs({
+      path: { bot_id: props.botId },
       query: { limit: PAGE_SIZE, ...(before ? { before } : {}) },
+      throwOnError: true,
     })
-    if (error) throw error
-    const items = (data as any)?.items ?? []
+    const items = data?.items ?? []
     if (!before) {
       logs.value = items
     } else {
@@ -417,7 +409,7 @@ async function fetchLogs(before?: string) {
 async function loadMore() {
   if (logs.value.length === 0) return
   const lastLog = logs.value[logs.value.length - 1]
-  await fetchLogs(lastLog.started_at)
+  await fetchLogs(lastLog?.started_at)
 }
 
 async function handleRefresh() {
@@ -428,10 +420,10 @@ async function handleRefresh() {
 async function handleClear() {
   isClearing.value = true
   try {
-    const { error } = await client.delete({
-      url: `/bots/${props.botId}/heartbeat/logs`,
+    await deleteBotsByBotIdHeartbeatLogs({
+      path: { bot_id: props.botId },
+      throwOnError: true,
     })
-    if (error) throw error
     logs.value = []
     expandedIds.value.clear()
     toast.success(t('bots.heartbeat.clearSuccess'))
diff --git a/packages/web/src/pages/bots/components/bot-mcp.vue b/packages/web/src/pages/bots/components/bot-mcp.vue
index b2e5ccd8..a6dac14b 100644
--- a/packages/web/src/pages/bots/components/bot-mcp.vue
+++ b/packages/web/src/pages/bots/components/bot-mcp.vue
@@ -93,7 +93,7 @@
 
     <!-- Add dialog: tabs (single | import). Edit dialog: two columns (form | json) with sync -->
     <Dialog v-model:open="formDialogOpen">
-      <DialogContent :class="editingItem ? 'sm:max-w-4xl max-h-[90vh] flex flex-col w-[calc(100vw-2rem)] max-w-[calc(100vw-2rem)] sm:w-auto sm:max-w-full' : 'sm:max-w-[28rem] w-[calc(100vw-2rem)] max-w-[calc(100vw-2rem)] sm:w-auto'">
+      <DialogContent :class="editingItem ? 'sm:max-w-4xl max-h-[90vh] flex flex-col w-[calc(100vw-2rem)] max-w-[calc(100vw-2rem)] sm:w-auto' : 'sm:max-w-md w-[calc(100vw-2rem)] max-w-[calc(100vw-2rem)] sm:w-auto'">
         <DialogHeader>
           <DialogTitle>{{ editingItem ? $t('common.edit') : $t('common.add') }} MCP Server</DialogTitle>
         </DialogHeader>
@@ -260,7 +260,7 @@
               />
             </div>
           </div>
-          <DialogFooter class="mt-4 flex-shrink-0 flex-row flex-wrap items-center gap-2 sm:justify-between">
+          <DialogFooter class="mt-4 shrink-0 flex-row flex-wrap items-center gap-2 sm:justify-between">
             <div class="flex items-center gap-2">
               <Label class="text-sm font-normal">{{ $t('mcp.active') }}</Label>
               <Switch
@@ -589,6 +589,7 @@ import {
   deleteBotsByBotIdMcpById,
   postBotsByBotIdMcpOpsBatchDelete,
 } from '@memoh/sdk'
+import type { McpUpsertRequest, McpImportRequest } from '@memoh/sdk'
 import { client } from '@memoh/sdk/client'
 import ConfirmPopover from '@/components/confirm-popover/index.vue'
 import { resolveApiErrorMessage } from '@/utils/api-error'
@@ -955,8 +956,8 @@ function syncEditJsonToForm() {
   editSyncFromJson = false
 }
 
-function buildRequestBody() {
-  const body: Record<string, unknown> = {
+function buildRequestBody(): McpUpsertRequest {
+  const body: McpUpsertRequest = {
     name: formData.value.name.trim(),
     is_active: formData.value.active,
   }
@@ -982,13 +983,13 @@ async function handleSubmit() {
     if (editingItem.value) {
       await putBotsByBotIdMcpById({
         path: { bot_id: props.botId, id: editingItem.value.id },
-        body: body as any,
+        body,
         throwOnError: true,
       })
     } else {
       await postBotsByBotIdMcp({
         path: { bot_id: props.botId },
-        body: body as any,
+        body,
         throwOnError: true,
       })
     }
@@ -1046,12 +1047,13 @@ function handleBatchExport() {
 async function handleImport() {
   importSubmitting.value = true
   try {
-    let parsed = JSON.parse(importJson.value)
+    let parsed: McpImportRequest = JSON.parse(importJson.value)
     if (!parsed.mcpServers && typeof parsed === 'object') {
-      parsed = { mcpServers: parsed }
+      parsed = { mcpServers: parsed as McpImportRequest['mcpServers'] }
     }
     await client.put({
-      url: `/bots/${props.botId}/mcp-ops/import`,
+      url: '/bots/{bot_id}/mcp-ops/import',
+      path: { bot_id: props.botId },
       body: parsed,
       throwOnError: true,
     })
diff --git a/packages/web/src/pages/bots/components/bot-memory.vue b/packages/web/src/pages/bots/components/bot-memory.vue
index 1a200918..b8527c1c 100644
--- a/packages/web/src/pages/bots/components/bot-memory.vue
+++ b/packages/web/src/pages/bots/components/bot-memory.vue
@@ -414,8 +414,8 @@
                   >
                     {{ msg.role }}
                   </Badge>
-                  <p class="text-xs text-foreground break-words line-clamp-3">
-                    {{ msg.content?.text || (typeof msg.content === 'string' ? msg.content : JSON.stringify(msg.content)) }}
+                  <p class="text-xs text-foreground wrap-break-word line-clamp-3">
+                    {{ extractMessageText(msg.content) }}
                   </p>
                 </div>
               </button>
@@ -578,6 +578,7 @@ import {
   postBotsByBotIdMemoryCompact,
   getBotsByBotIdMessages,
 } from '@memoh/sdk'
+import type { MemoryCdfPoint, MemoryTopKBucket } from '@memoh/sdk'
 import { toast } from 'vue-sonner'
 import { useI18n } from 'vue-i18n'
 import ConfirmPopover from '@/components/confirm-popover/index.vue'
@@ -593,12 +594,26 @@ interface MemoryItem {
   score?: number
 }
 
+type MessageContentBlock = { type: string; text?: string }
+type MessageContent = string | MessageContentBlock[] | unknown
+
 interface Message {
   role: string
-  content: any
+  content: MessageContent
   created_at?: string
 }
 
+function extractMessageText(content: MessageContent): string {
+  if (typeof content === 'string') return content
+  if (Array.isArray(content)) {
+    return content
+      .filter((b): b is MessageContentBlock => typeof b === 'object' && b !== null)
+      .map(b => b.text ?? '')
+      .join('')
+  }
+  return JSON.stringify(content)
+}
+
 const props = defineProps<{
   botId: string
 }>()
@@ -627,7 +642,7 @@ const compactRatio = ref('0.5')
 const compactDecayDate = ref('')
 
 // Hover state for CDF chart
-const hoveredCdfPoint = ref<any>(null)
+const hoveredCdfPoint = ref<MemoryCdfPoint | null>(null)
 const hoveredCdfIdx = ref<number>(-1)
 const hoveredCdfX = computed(() => {
   if (!hoveredCdfPoint.value || !selectedMemory.value) return 0
@@ -640,13 +655,13 @@ const hoveredCdfY = computed(() => {
 })
 
 const selectedTopKBuckets = computed(() => selectedMemory.value?.top_k_buckets ?? [])
-const topKBucketValues = computed(() => selectedTopKBuckets.value.map((bucket: any) => bucket.value))
+const topKBucketValues = computed(() => selectedTopKBuckets.value.map((bucket: MemoryTopKBucket) => bucket.value ?? 0))
 const topKMinValue = computed(() => Math.min(...topKBucketValues.value))
 const topKMaxValue = computed(() => Math.max(...topKBucketValues.value))
 const topKRange = computed(() => (topKMaxValue.value - topKMinValue.value) || 1)
 const topKBarHeights = computed(() =>
   selectedTopKBuckets.value.map(
-    (bucket: any) => (((bucket.value - topKMinValue.value) / topKRange.value) * 80) + 20,
+    (bucket: MemoryTopKBucket) => ((((bucket.value ?? 0) - topKMinValue.value) / topKRange.value) * 80) + 20,
   ),
 )
 
@@ -846,7 +861,7 @@ async function handleCompact() {
       body: {
         ratio: parseFloat(compactRatio.value),
         decay_days: compactDecayDays.value || undefined,
-      } as any,
+      },
       throwOnError: true,
     })
     toast.success(t('bots.memory.compactSuccess'))
@@ -887,7 +902,7 @@ watch(() => props.botId, () => {
 })
 
 // Chart Helper: Generate smooth SVG path
-function generateSmoothPath(data: any[], closePath: boolean = false) {
+function generateSmoothPath(data: MemoryCdfPoint[], closePath: boolean = false) {
   if (!data || data.length < 2) return ''
   
   // Use a small margin (2%) to prevent clipping at boundaries
@@ -895,7 +910,7 @@ function generateSmoothPath(data: any[], closePath: boolean = false) {
   const height = 100 - (margin * 2)
   const points = data.map((p, idx) => ({
     x: (idx / (data.length - 1)) * 100,
-    y: (100 - margin) - (p.cumulative * height)
+    y: (100 - margin) - ((p.cumulative ?? 0) * height)
   }))
 
   let d = `M ${points[0].x},${points[0].y}`
diff --git a/packages/web/src/pages/bots/components/channel-settings-panel.vue b/packages/web/src/pages/bots/components/channel-settings-panel.vue
index 3876f33b..e97021a1 100644
--- a/packages/web/src/pages/bots/components/channel-settings-panel.vue
+++ b/packages/web/src/pages/bots/components/channel-settings-panel.vue
@@ -240,9 +240,8 @@ import { reactive, watch, computed, ref } from 'vue'
 import { toast } from 'vue-sonner'
 import { useI18n } from 'vue-i18n'
 import { useMutation, useQueryCache } from '@pinia/colada'
-import { putBotsByIdChannelByPlatform } from '@memoh/sdk'
-import { client } from '@memoh/sdk/client'
-import type { HandlersChannelMeta, ChannelChannelConfig, ChannelFieldSchema } from '@memoh/sdk'
+import { putBotsByIdChannelByPlatform, deleteBotsByIdChannelByPlatform, patchBotsByIdChannelByPlatformStatus } from '@memoh/sdk'
+import type { HandlersChannelMeta, ChannelChannelConfig, ChannelFieldSchema, ChannelUpsertConfigRequest } from '@memoh/sdk'
 import ConfirmPopover from '@/components/confirm-popover/index.vue'
 
 interface BotChannelItem {
@@ -264,10 +263,10 @@ const { t } = useI18n()
 const botIdRef = computed(() => props.botId)
 const queryCache = useQueryCache()
 const { mutateAsync: upsertChannel, isLoading } = useMutation({
-  mutation: async ({ platform, data }: { platform: string; data: Record<string, unknown> }) => {
+  mutation: async ({ platform, data }: { platform: string; data: ChannelUpsertConfigRequest }) => {
     const { data: result } = await putBotsByIdChannelByPlatform({
       path: { id: botIdRef.value, platform },
-      body: data as any,
+      body: data,
       throwOnError: true,
     })
     return result
@@ -276,12 +275,12 @@ const { mutateAsync: upsertChannel, isLoading } = useMutation({
 })
 const { mutateAsync: updateChannelStatus, isLoading: isStatusLoading } = useMutation({
   mutation: async ({ platform, disabled }: { platform: string; disabled: boolean }) => {
-    const { data } = await client.patch({
-      url: `/bots/${botIdRef.value}/channel/${platform}/status`,
+    const { data } = await patchBotsByIdChannelByPlatformStatus({
+      path: { id: botIdRef.value, platform },
       body: { disabled },
       throwOnError: true,
     })
-    return data as ChannelChannelConfig
+    return data
   },
   onSettled: () => queryCache.invalidateQueries({ key: ['bot-channels', botIdRef.value] }),
 })
@@ -434,8 +433,8 @@ async function handleToggleDisabled() {
 async function handleDelete() {
   action.value = 'delete'
   try {
-    await client.delete({
-      url: `/bots/${botIdRef.value}/channel/${props.channelItem.meta.type}`,
+    await deleteBotsByIdChannelByPlatform({
+      path: { id: botIdRef.value, platform: props.channelItem.meta.type },
       throwOnError: true,
     })
     lastSavedConfigId.value = ''
diff --git a/packages/web/src/pages/bots/detail.vue b/packages/web/src/pages/bots/detail.vue
index 6b1484e2..ed466aa9 100644
--- a/packages/web/src/pages/bots/detail.vue
+++ b/packages/web/src/pages/bots/detail.vue
@@ -40,17 +40,14 @@
               @keydown.enter.prevent="handleConfirmBotName"
               @keydown.esc.prevent="handleCancelBotName"
             />
-            <Button
+            <LoadingButton
               size="sm"
-              :disabled="isSavingBotName || !canConfirmBotName"
+              :loading="isSavingBotName"
+              :disabled="!canConfirmBotName"
               @click="handleConfirmBotName"
             >
-              <Spinner
-                v-if="isSavingBotName"
-                class="mr-1.5"
-              />
               {{ $t('common.confirm') }}
-            </Button>
+            </LoadingButton>
             <Button
               variant="ghost"
               size="sm"
@@ -154,18 +151,14 @@
                   {{ $t('bots.checks.subtitle') }}
                 </p>
               </div>
-              <Button
+              <LoadingButton
                 variant="outline"
                 size="sm"
-                :disabled="checksLoading"
+                :loading="checksLoading"
                 @click="handleRefreshChecks"
               >
-                <Spinner
-                  v-if="checksLoading"
-                  class="mr-1.5"
-                />
                 {{ $t('common.refresh') }}
-              </Button>
+              </LoadingButton>
             </div>
             <div class="mt-3 flex items-center gap-2 text-sm">
               <Badge
@@ -319,12 +312,9 @@
             </div>
           </div>
 
-          <div
-            v-if="botLifecyclePending"
-            class="rounded-md border border-yellow-300/50 bg-yellow-50/70 p-3 text-sm text-yellow-800 dark:border-yellow-800/50 dark:bg-yellow-900/10 dark:text-yellow-200"
-          >
+          <WarningBanner v-if="botLifecyclePending">
             {{ $t('bots.container.botNotReady') }}
-          </div>
+          </WarningBanner>
 
           <div
             v-if="containerLoading && !containerInfo && !containerMissing"
@@ -632,6 +622,8 @@ import type {
 } from '@memoh/sdk'
 import { useCapabilitiesStore } from '@/store/capabilities'
 import ConfirmPopover from '@/components/confirm-popover/index.vue'
+import WarningBanner from '@/components/warning-banner/index.vue'
+import LoadingButton from '@/components/loading-button/index.vue'
 import BotSettings from './components/bot-settings.vue'
 import BotChannels from './components/bot-channels.vue'
 import BotMcp from './components/bot-mcp.vue'
diff --git a/packages/web/src/pages/models/components/provider-form.vue b/packages/web/src/pages/models/components/provider-form.vue
index c75c8321..8d0befe4 100644
--- a/packages/web/src/pages/models/components/provider-form.vue
+++ b/packages/web/src/pages/models/components/provider-form.vue
@@ -1,7 +1,7 @@
 <template>
   <form @submit="editProvider">
-    <div class="**:[input]:mt-3 **:[input]:mb-4">
-      <section>
+    <div class="space-y-4">
+      <section class="space-y-2">
         <h4 class="scroll-m-20 font-semibold tracking-tight">
           {{ $t('common.name') }}
         </h4>
@@ -22,7 +22,7 @@
         </FormField>
       </section>
 
-      <section>
+      <section class="space-y-2">
         <h4 class="scroll-m-20 font-semibold tracking-tight">
           {{ $t('provider.apiKey') }}
         </h4>
@@ -43,7 +43,7 @@
         </FormField>
       </section>
 
-      <section>
+      <section class="space-y-2">
         <h4 class="scroll-m-20 font-semibold tracking-tight">
           {{ $t('provider.url') }}
         </h4>
@@ -66,15 +66,15 @@
     </div>
 
     <section class="flex justify-between items-center mt-4">
-      <Button
+      <LoadingButton
         type="button"
         variant="outline"
-        :disabled="testLoading || !props.provider?.id"
+        :loading="testLoading"
+        :disabled="!props.provider?.id"
         @click="runTest"
       >
-        <Spinner v-if="testLoading" />
         {{ $t('provider.testConnection') }}
-      </Button>
+      </LoadingButton>
 
       <div class="flex gap-4">
         <ConfirmPopover
@@ -93,13 +93,13 @@
           </template>
         </ConfirmPopover>
 
-        <Button
+        <LoadingButton
           type="submit"
+          :loading="editLoading"
           :disabled="!hasChanges || !form.meta.value.valid"
         >
-          <Spinner v-if="editLoading" />
           {{ $t('provider.saveChanges') }}
-        </Button>
+        </LoadingButton>
       </div>
     </section>
 
@@ -108,10 +108,7 @@
       class="mt-4 rounded-lg border p-4 space-y-3 text-sm"
     >
       <div class="flex items-center gap-2">
-        <span
-          class="inline-block size-2 rounded-full"
-          :class="testResult.reachable ? 'bg-green-500' : 'bg-red-500'"
-        />
+        <StatusDot :status="testResult.reachable ? 'success' : 'error'" />
         <span class="font-medium">
           {{ testResult.reachable ? $t('provider.reachable') : $t('provider.unreachable') }}
         </span>
@@ -164,6 +161,8 @@ import {
   Spinner,
 } from '@memoh/ui'
 import ConfirmPopover from '@/components/confirm-popover/index.vue'
+import StatusDot from '@/components/status-dot/index.vue'
+import LoadingButton from '@/components/loading-button/index.vue'
 import { computed, ref, watch } from 'vue'
 import { toTypedSchema } from '@vee-validate/zod'
 import z from 'zod'
diff --git a/packages/web/src/pages/models/index.vue b/packages/web/src/pages/models/index.vue
index a164c5de..f4a2ce99 100644
--- a/packages/web/src/pages/models/index.vue
+++ b/packages/web/src/pages/models/index.vue
@@ -52,7 +52,7 @@ const curFilterProvider = computed(() => {
   }
   const keyword = searchText.value.toLowerCase()
   return providerData.value.filter((provider: ProvidersGetResponse) => {
-    return (provider.name as string).toLowerCase().includes(keyword)
+    return (provider.name ?? '').toLowerCase().includes(keyword)
   })
 })
 
@@ -107,8 +107,8 @@ const openStatus = reactive({
             class="justify-start py-5! px-4"
           >
             <Toggle
-              :class="`py-4 border border-transparent ${curProvider?.name === providerItem.name ? 'border-inherit' : ''}`"
-              :model-value="selectProvider(providerItem.name as string).value"
+              :class="['py-4 border', curProvider?.name === providerItem.name ? 'border-border' : 'border-transparent']"
+              :model-value="selectProvider(providerItem.name ?? '').value"
               @update:model-value="(isSelect) => {
                 if (isSelect) {
                   curProvider = providerItem
diff --git a/packages/web/src/pages/platform/components/platform-card.vue b/packages/web/src/pages/platform/components/platform-card.vue
index ea1eac34..37e884dc 100644
--- a/packages/web/src/pages/platform/components/platform-card.vue
+++ b/packages/web/src/pages/platform/components/platform-card.vue
@@ -1,50 +1,45 @@
 <template>
-  <li>
-    <Card>
-      <CardHeader>
-        <CardTitle class="text-muted-foreground flex justify-between">
-          <span>{{ $t('platform.platformLabel') }}: {{ platform.name }}</span>
-          <Badge
-            v-if="platform.active"
-            variant="outline"
-          >
-            {{ $t('platform.running') }}
-          </Badge>
-        </CardTitle>
-        <CardContent class="mt-4 p-0">
-          <ol
-            class="[&>li]:mt-2"
-            type="1"
-          >
-            <li
-              v-for="(value, key) in platform.config"
-              :key="key"
-            >
-              {{ key }}: {{ value }}
-            </li>
-          </ol>
-        </CardContent>
-      </CardHeader>
-      <CardFooter class="flex gap-4">
-        <Switch
-          :model-value="platform.active"
-          :aria-label="`Toggle ${platform.name}`"
-        />
-        <Button
-          class="ml-auto"
-          @click="$emit('edit', platform)"
+  <Card class="h-full flex flex-col">
+    <CardHeader>
+      <CardTitle class="text-muted-foreground flex justify-between">
+        <span>{{ $t('platform.platformLabel') }}: {{ platform.name }}</span>
+        <Badge
+          v-if="platform.active"
+          variant="outline"
         >
-          {{ $t('common.edit') }}
-        </Button>
-        <Button
-          variant="destructive"
-          @click="$emit('delete', platform)"
-        >
-          {{ $t('common.delete') }}
-        </Button>
-      </CardFooter>
-    </Card>
-  </li>
+          {{ $t('platform.running') }}
+        </Badge>
+      </CardTitle>
+      <CardContent class="px-0 pb-0">
+        <ol class="space-y-2 text-sm">
+          <li
+            v-for="(value, key) in platform.config"
+            :key="key"
+          >
+            {{ key }}: {{ value }}
+          </li>
+        </ol>
+      </CardContent>
+    </CardHeader>
+    <CardFooter class="flex gap-4 mt-auto">
+      <Switch
+        :model-value="platform.active"
+        :aria-label="`Toggle ${platform.name}`"
+      />
+      <Button
+        class="ml-auto"
+        @click="$emit('edit', platform)"
+      >
+        {{ $t('common.edit') }}
+      </Button>
+      <Button
+        variant="destructive"
+        @click="$emit('delete', platform)"
+      >
+        {{ $t('common.delete') }}
+      </Button>
+    </CardFooter>
+  </Card>
 </template>
 
 <script setup lang="ts">
diff --git a/packages/web/src/pages/platform/index.vue b/packages/web/src/pages/platform/index.vue
index 0bafbb35..5b7d1b45 100644
--- a/packages/web/src/pages/platform/index.vue
+++ b/packages/web/src/pages/platform/index.vue
@@ -2,14 +2,14 @@
   <section class="p-4">
     <AddPlatform v-model:open="open" />
 
-    <menu class="grid grid-cols-4 gap-4 [&_li>*]:h-full">
+    <div class="grid grid-cols-4 gap-4">
       <PlatformCard
         v-for="item in platformList"
         :key="item.name"
         :platform="item"
         @edit="() => { open = true }"
       />
-    </menu>
+    </div>
   </section>
 </template>
 
diff --git a/packages/web/src/pages/search-providers/components/provider-setting.vue b/packages/web/src/pages/search-providers/components/provider-setting.vue
index 5fc544a0..dd4d8db7 100644
--- a/packages/web/src/pages/search-providers/components/provider-setting.vue
+++ b/packages/web/src/pages/search-providers/components/provider-setting.vue
@@ -14,7 +14,7 @@
     <Separator class="mt-4 mb-6" />
 
     <form @submit="editProvider">
-      <div class="**:[input]:mt-3 **:[input]:mb-4">
+      <div class="space-y-4">
         <section>
           <FormField
             v-slot="{ componentField }"
@@ -137,13 +137,12 @@
           </template>
         </ConfirmPopover>
 
-        <Button
+        <LoadingButton
           type="submit"
-          :disabled="editLoading"
+          :loading="editLoading"
         >
-          <Spinner v-if="editLoading" />
           {{ $t('provider.saveChanges') }}
-        </Button>
+        </LoadingButton>
       </section>
     </form>
   </div>
@@ -156,7 +155,6 @@ import {
   FormControl,
   FormField,
   FormItem,
-  Spinner,
   Separator,
   Select,
   SelectTrigger,
@@ -167,6 +165,7 @@ import {
   Label,
 } from '@memoh/ui'
 import ConfirmPopover from '@/components/confirm-popover/index.vue'
+import LoadingButton from '@/components/loading-button/index.vue'
 import BraveSettings from './brave-settings.vue'
 import BingSettings from './bing-settings.vue'
 import GoogleSettings from './google-settings.vue'
@@ -186,7 +185,7 @@ import z from 'zod'
 import { useForm } from 'vee-validate'
 import { useMutation, useQueryCache } from '@pinia/colada'
 import { putSearchProvidersById, deleteSearchProvidersById } from '@memoh/sdk'
-import type { SearchprovidersGetResponse } from '@memoh/sdk'
+import type { SearchprovidersGetResponse, SearchprovidersUpdateRequest } from '@memoh/sdk'
 
 const PROVIDER_TYPES = ['brave', 'bing', 'google', 'tavily', 'sogou', 'serper', 'searxng', 'jina', 'exa', 'bocha', 'duckduckgo', 'yandex'] as const
 
@@ -227,11 +226,11 @@ watch(curProvider, (newVal) => {
 
 // ---- mutations ----
 const { mutate: submitUpdate, isLoading: editLoading } = useMutation({
-  mutation: async (data: { name: string; provider: string; config: Record<string, unknown> }) => {
+  mutation: async (data: SearchprovidersUpdateRequest) => {
     if (!curProviderId.value) return
     const { data: result } = await putSearchProvidersById({
       path: { id: curProviderId.value },
-      body: data as any,
+      body: data,
       throwOnError: true,
     })
     return result
@@ -250,7 +249,7 @@ const { mutate: deleteProvider, isLoading: deleteLoading } = useMutation({
 const editProvider = form.handleSubmit(async (values) => {
   submitUpdate({
     name: values.name,
-    provider: values.provider,
+    provider: values.provider as SearchprovidersUpdateRequest['provider'],
     config: configData.value,
   })
 })
diff --git a/packages/web/src/pages/search-providers/index.vue b/packages/web/src/pages/search-providers/index.vue
index 95592204..50792405 100644
--- a/packages/web/src/pages/search-providers/index.vue
+++ b/packages/web/src/pages/search-providers/index.vue
@@ -66,7 +66,7 @@ const curFilterProvider = computed(() => {
   }
   const keyword = searchText.value.toLowerCase()
   return providerData.value.filter((p: SearchprovidersGetResponse) => {
-    return (p.name as string).toLowerCase().includes(keyword)
+    return (p.name ?? '').toLowerCase().includes(keyword)
   })
 })
 
diff --git a/packages/web/src/pages/settings/index.vue b/packages/web/src/pages/settings/index.vue
index 0add1412..746bedd9 100644
--- a/packages/web/src/pages/settings/index.vue
+++ b/packages/web/src/pages/settings/index.vue
@@ -413,14 +413,14 @@ async function onGenerateBindCode() {
   generatingBindCode.value = true
   try {
     const ttl = Number.isFinite(bindForm.ttlSeconds) ? Math.max(60, Number(bindForm.ttlSeconds)) : 3600
-    const { data } = await client.post({
+    const { data } = await client.post<IssueBindCodeResponse>({
       url: '/users/me/bind_codes',
       body: {
         platform: bindForm.platform || undefined,
         ttl_seconds: ttl,
       },
       throwOnError: true,
-    }) as { data: IssueBindCodeResponse }
+    })
     bindCode.value = data
     toast.success(t('settings.bindCodeGenerated'))
   } catch (error) {
diff --git a/packages/web/src/store/chat-list.ts b/packages/web/src/store/chat-list.ts
index 18b10b24..986b9280 100644
--- a/packages/web/src/store/chat-list.ts
+++ b/packages/web/src/store/chat-list.ts
@@ -10,6 +10,7 @@ import {
   type ChatSummary,
   type Message,
   type StreamEvent,
+  type MessageStreamEvent,
   fetchBots,
   fetchMessages,
   fetchChats,
@@ -45,9 +46,18 @@ export interface ToolCallBlock {
   done: boolean
 }
 
+export interface AttachmentItem {
+  type: string
+  content_hash: string
+  bot_id: string
+  mime: string
+  size: number
+  storage_key: string
+}
+
 export interface AttachmentBlock {
   type: 'attachment'
-  attachments: Array<Record<string, unknown>>
+  attachments: AttachmentItem[]
 }
 
 export type ContentBlock = TextBlock | ThinkingBlock | ToolCallBlock | AttachmentBlock
@@ -389,24 +399,24 @@ export const useChatStore = defineStore('chat', () => {
   function handleLocalStreamEvent(event: StreamEvent) {
     // Cross-channel events arrive without a pending session. Detect them via
     // source_channel metadata injected by the RouteHubBroadcaster.
-    const meta = (event as Record<string, unknown>).metadata as Record<string, unknown> | undefined
+    const meta = event.metadata as Record<string, unknown> | undefined
     const sourceChannel = meta?.source_channel as string | undefined
     const isCrossChannel = !!sourceChannel
 
     // Cross-channel user message (the inbound message from Telegram/Feishu user).
     if (isCrossChannel && (event.type ?? '').toLowerCase() === 'final' && meta?.role === 'user') {
-      const finalPayload = (event as Record<string, unknown>).final as Record<string, unknown> | undefined
+      const finalPayload = event.final as Record<string, unknown> | undefined
       const msg = finalPayload?.message as Record<string, unknown> | undefined
       if (msg) {
         const text = String(msg.text ?? '').trim()
-        const msgMeta = (msg.metadata as Record<string, unknown> | undefined)
-        const senderName = (msgMeta?.sender_display_name as string) ?? sourceChannel
+        const msgMeta = msg.metadata as Record<string, unknown> | undefined
+        const senderName = (msgMeta?.sender_display_name as string | undefined) ?? sourceChannel
         const senderUserId = String(meta?.sender_user_id ?? '').trim()
         const blocks: ContentBlock[] = []
         if (text) blocks.push({ type: 'text', content: text })
         const rawAtts = (msg.attachments ?? msg.Attachments) as Array<Record<string, unknown>> | undefined
         if (Array.isArray(rawAtts) && rawAtts.length > 0) {
-          const items = rawAtts.map((a) => ({
+          const items: AttachmentItem[] = rawAtts.map((a) => ({
             type: mediaTypeFromMime(String(a.mime ?? '')),
             content_hash: String(a.content_hash ?? ''),
             bot_id: currentBotId.value ?? '',
@@ -633,14 +643,13 @@ export const useChatStore = defineStore('chat', () => {
     if (chatId.value) touchChat(chatId.value)
   }
 
-  function handleStreamEvent(targetBotId: string, event: Record<string, unknown>) {
-    if (String(event.type ?? '').toLowerCase() !== 'message_created') return
-    const eBotId = String(event.bot_id ?? '').trim()
+  function handleStreamEvent(targetBotId: string, event: MessageStreamEvent) {
+    if ((event.type ?? '').toLowerCase() !== 'message_created') return
+    const eBotId = (event.bot_id ?? '').trim()
     if (eBotId && eBotId !== targetBotId) return
-    const payload = event.message
-    if (!payload || typeof payload !== 'object') return
-    const raw = payload as Message
-    const pBotId = String(raw.bot_id ?? '').trim()
+    const raw = event.message
+    if (!raw) return
+    const pBotId = (raw.bot_id ?? '').trim()
     if (pBotId && pBotId !== targetBotId) return
     appendRealtimeMessage(raw)
   }
@@ -654,7 +663,7 @@ export const useChatStore = defineStore('chat', () => {
       await streamMessageEvents(
         bid,
         signal,
-        (e) => handleStreamEvent(bid, e as unknown as Record<string, unknown>),
+        (e) => handleStreamEvent(bid, e),
         messageEventsSince || undefined,
       )
     })