fix(web): code review pass — scroll watch, SSE same-origin, store concurrency, modal reset, admin validation

web/src/views/admin/LLMEndpointsView.vue

@@ -54,6 +54,7 @@
             <NButton
               type="primary"
               :loading="saving"
+              :disabled="!canSave"
               @click="save"
             >
               保存
@@ -66,7 +67,7 @@
 </template>
 
 <script setup lang="ts">
-import { h, onMounted, ref } from 'vue'
+import { computed, h, onMounted, ref } from 'vue'
 import {
   NButton,
   NDataTable,
@@ -105,6 +106,15 @@ const saving = ref(false)
 const msg = useMessage()
 const dlg = useDialog()
 
+const canSave = computed(() => {
+  const f = form.value
+  return (
+    !!f.display_name.trim() &&
+    !!f.base_url.trim() &&
+    (!!editing.value || !!f.api_key.trim())
+  )
+})
+
 const providerOpts: { label: string; value: LLMProvider }[] = [
   { label: 'Anthropic', value: 'anthropic' },
   { label: 'OpenAI / Compatible', value: 'openai' },
@@ -196,6 +206,7 @@ async function save() {
         api_key: form.value.api_key,
       })
     }
+    msg.success('已保存')
     showForm.value = false
     await reload()
   } catch (e) {

web/src/views/admin/LLMModelsView.vue

@@ -117,6 +117,7 @@
             <NButton
               type="primary"
               :loading="saving"
+              :disabled="!canSave"
               @click="save"
             >
               保存
@@ -210,6 +211,17 @@ const endpointOpts = computed(() =>
   })),
 )
 
+const canSave = computed(() => {
+  const f = form.value
+  return (
+    !!f.endpoint_id &&
+    !!f.model_id.trim() &&
+    !!f.display_name.trim() &&
+    f.context_window > 0 &&
+    f.max_output_tokens > 0
+  )
+})
+
 const endpointName = (id: string) =>
   endpoints.value.find((e) => e.id === id)?.display_name ?? id
 
@@ -347,6 +359,7 @@ async function save() {
       }
       await llmAdminApi.createModel(body)
     }
+    msg.success('已保存')
     showForm.value = false
     await reload()
   } catch (e) {

web/src/views/chat/ChatDetailView.vue

@@ -150,8 +150,23 @@ onMounted(async () => {
   }
 })
 
+// 路由 conversationId 切换：在 /chat ↔ /chat/:id 同组件复用时同步状态。
 watch(
-  () => chat.messages.length,
+  () => route.params.conversationId,
+  async (cid) => {
+    if (typeof cid === 'string' && cid !== '') {
+      if (chat.currentConversation?.id !== cid) {
+        await chat.openConversation(cid)
+      }
+    } else {
+      chat.closeCurrent()
+    }
+  },
+)
+
+// 流式输出时 messages.length 不变，只 content 增长 —— 同时观察末消息内容长度。
+watch(
+  () => [chat.messages.length, chat.messages.at(-1)?.content?.length ?? 0],
   () => {
     nextTick(() => {
       const el = scrollEl.value

web/src/views/chat/ConversationCreateModal.vue

@@ -116,6 +116,25 @@ watch(
   { immediate: true },
 )
 
+// 每次从外部重新打开时把表单还原到初始状态。
+watch(
+  () => props.show,
+  (open) => {
+    if (open) reset()
+  },
+)
+
+function reset() {
+  form.value = { model_id: '', template_id: null, system_prompt: '' }
+  if (props.projectId) {
+    mountKind.value = 'project'
+    mountID.value = props.projectId
+  } else {
+    mountKind.value = null
+    mountID.value = ''
+  }
+}
+
 function update(v: boolean) {
   emit('update:show', v)
 }

web/src/views/chat/components/AttachmentUploader.vue

@@ -57,6 +57,11 @@ async function upload(opts: UploadCustomRequestOptions) {
     opts.onError()
     return
   }
+  if (f.type.startsWith('audio/') && !props.modelCapabilities?.audio) {
+    msg.error('当前模型不支持音频')
+    opts.onError()
+    return
+  }
   if (f.size > 20 * 1024 * 1024) {
     msg.error('单文件不能超过 20 MB')
     opts.onError()

web/src/views/prompt-templates/PromptTemplatesView.vue

@@ -161,6 +161,7 @@ async function save() {
         scope: form.value.scope,
       })
     }
+    msg.success('已保存')
     showForm.value = false
     await reload()
   } catch (e) {