Add provider model catalogs to news risk settings

backend/src/alphapulse/ai/llm.py

@@ -75,6 +75,31 @@ def api_root(base_url: str) -> str:
     return root.removesuffix("/v1")
 
 
+async def list_models(provider: AiProvider) -> list[str]:
+    """Read the provider's model catalog without generating a completion."""
+    options = {'api_key': decrypt(provider.api_key_encrypted), 'timeout': 10, 'max_retries': 0}
+    root = api_root(provider.base_url)
+    client = (openai.AsyncOpenAI(base_url=f'{root}/v1', **options) if provider.protocol == 'openai'
+              else anthropic.AsyncAnthropic(base_url=root, **options))
+    try:
+        async with asyncio.timeout(30), client:
+            models = await client.models.list()
+            identifiers = set()
+            async for model in models:
+                identifier = getattr(model, 'id', None)
+                if not isinstance(identifier, str) or not identifier.strip():
+                    raise LlmError('模型列表响应缺少有效的模型 ID；请手动填写模型名称')
+                identifiers.add(identifier)
+            return sorted(identifiers)
+    except (openai.APIStatusError, anthropic.APIStatusError) as error:
+        raise LlmError(f'模型列表接口返回 HTTP {error.status_code}；请检查接入权限，或手动填写模型名称') from error
+    except (TimeoutError, openai.APITimeoutError, anthropic.APITimeoutError,
+            httpx.TimeoutException, httpx2.TimeoutException) as error:
+        raise LlmError('读取模型列表超时；可重试或手动填写模型名称') from error
+    except (openai.APIError, anthropic.APIError, httpx.TransportError, httpx2.TransportError) as error:
+        raise LlmError('无法读取模型列表；请检查接入配置，或手动填写模型名称') from error
+
+
 async def stream(
     provider: AiProvider, system: str, messages: list[dict], tools: list[ToolSpec], effort: Effort | None = None,
 ) -> AsyncIterator[TextDelta | ThinkingStarted | Completion]:

backend/src/alphapulse/api/settings.py

@@ -119,6 +119,15 @@ async def create_provider(body: ProviderIn, session: Annotated[AsyncSession, Dep
     return success(ProviderOut.model_validate(provider, from_attributes=True))
 
 
+@router.get('/providers/{provider_id}/models')
+async def list_provider_models(provider_id: int, session: Annotated[AsyncSession, Depends(get_session)]) -> ApiResponse[list[str]]:
+    provider = await get_provider(session, provider_id)
+    try:
+        return success(await llm.list_models(provider))
+    except llm.LlmError as error:
+        raise HTTPException(status.HTTP_502_BAD_GATEWAY, str(error)) from error
+
+
 @router.patch("/providers/{provider_id}")
 async def patch_provider(provider_id: int, body: ProviderPatch, session: Annotated[AsyncSession, Depends(get_session)]) -> ApiResponse[ProviderOut]:
     provider = await get_provider(session, provider_id)

backend/tests/test_provider_settings.py

@@ -73,3 +73,84 @@ def test_delete_provider_handles_news_risk_reference(trading, monkeypatch, enabl
         assert reference.provider_id is None
         session.delete.assert_awaited_once_with(provider)
         session.commit.assert_awaited_once()
+
+
+@pytest.mark.parametrize('protocol,base_url', [('openai', 'https://example.invalid/v1/'), ('anthropic', 'https://example.invalid/')])
+def test_model_catalog_uses_selected_protocol_and_reads_all_pages(trading, monkeypatch, protocol, base_url):
+    from alphapulse.ai import llm
+    options = []
+
+    class Page:
+        async def __aiter__(self):
+            for identifier in ['model-b', 'model-a', 'model-b']:
+                yield SimpleNamespace(id=identifier)
+
+    class Client:
+        def __init__(self, **kwargs):
+            options.append(kwargs)
+            self.models = SimpleNamespace(list=AsyncMock(return_value=Page()))
+        async def __aenter__(self): return self
+        async def __aexit__(self, *args): pass
+
+    monkeypatch.setattr(llm, 'decrypt', lambda value: 'test-only-key')
+    monkeypatch.setattr(llm.openai if protocol == 'openai' else llm.anthropic,
+        'AsyncOpenAI' if protocol == 'openai' else 'AsyncAnthropic', Client)
+    provider = SimpleNamespace(protocol=protocol, base_url=base_url, api_key_encrypted=b'test')
+    assert asyncio.run(llm.list_models(provider)) == ['model-a', 'model-b']
+    assert options == [{'base_url': 'https://example.invalid/v1' if protocol == 'openai' else 'https://example.invalid',
+        'api_key': 'test-only-key', 'timeout': 10, 'max_retries': 0}]
+
+
+@pytest.mark.parametrize('failure', ['http', 'timeout', 'invalid_id'])
+def test_model_catalog_failures_remain_explicit_without_exposing_upstream_details(trading, monkeypatch, failure):
+    from alphapulse.ai import llm
+
+    class Page:
+        async def __aiter__(self):
+            yield SimpleNamespace(id=None)
+
+    class Client:
+        def __init__(self, **kwargs):
+            self.models = SimpleNamespace(list=AsyncMock(return_value=Page()))
+            if failure == 'timeout': self.models.list.side_effect = TimeoutError()
+            if failure == 'http':
+                response = httpx.Response(401, request=httpx.Request('GET', 'https://example.invalid/v1/models'))
+                self.models.list.side_effect = llm.openai.APIStatusError('private-upstream-details', response=response, body=None)
+        async def __aenter__(self): return self
+        async def __aexit__(self, *args): pass
+
+    monkeypatch.setattr(llm, 'decrypt', lambda value: 'test-only-key')
+    monkeypatch.setattr(llm.openai, 'AsyncOpenAI', Client)
+    provider = SimpleNamespace(protocol='openai', base_url='https://example.invalid', api_key_encrypted=b'test')
+    with pytest.raises(llm.LlmError) as error:
+        asyncio.run(llm.list_models(provider))
+    assert 'private-upstream-details' not in str(error.value)
+    assert '手动填写' in str(error.value)
+
+
+@pytest.mark.parametrize('failure', [None, 'unavailable', 'missing'])
+def test_provider_model_catalog_http_contract(trading, monkeypatch, failure):
+    from fastapi import FastAPI, HTTPException
+    from alphapulse.api import settings
+    provider = SimpleNamespace(id=1)
+
+    async def get_provider(session, identifier):
+        assert identifier == 1
+        if failure == 'missing': raise HTTPException(404, '模型配置不存在')
+        return provider
+
+    catalog = AsyncMock(return_value=['model-a', 'model-b'])
+    if failure == 'unavailable': catalog.side_effect = settings.llm.LlmError('读取模型列表失败')
+    monkeypatch.setattr(settings, 'get_provider', get_provider)
+    monkeypatch.setattr(settings.llm, 'list_models', catalog)
+    app = FastAPI()
+    app.include_router(settings.router)
+    app.dependency_overrides[settings.require_admin] = lambda: None
+    app.dependency_overrides[settings.get_session] = lambda: None
+
+    async def check():
+        async with httpx.AsyncClient(transport=httpx.ASGITransport(app), base_url='http://test') as client:
+            response = await client.get('/api/settings/providers/1/models')
+            assert response.status_code == ({None: 200, 'unavailable': 502, 'missing': 404}[failure])
+            if failure is None: assert response.json()['data'] == ['model-a', 'model-b']
+    asyncio.run(check())

web/src/common/apis/settings/index.ts

@@ -9,6 +9,16 @@ export function listProvidersApi() {
   })
 }
 
+/** Read the selected provider's catalog; the page owns failure presentation. */
+export function listProviderModelsApi(id: number) {
+  return request<Settings.ListProviderModelsResponseData>({
+    url: `/settings/providers/${id}/models`,
+    method: "get",
+    timeout: 35000,
+    notify: false
+  })
+}
+
 /** 新增模型配置 */
 export function createProviderApi(body: Settings.ProviderForm) {
   return request<Settings.CreateProviderResponseData>({

web/src/common/apis/settings/type.ts

@@ -18,6 +18,7 @@ export interface Provider {
 }
 
 export type ListProvidersResponseData = Provider[]
+export type ListProviderModelsResponseData = string[]
 
 export interface ProviderForm {
   name: string

web/src/pages/home/index.vue

@@ -3,7 +3,7 @@ import type * as Risk from "@/common/apis/risk/type"
 import type { Provider } from "@/common/apis/settings/type"
 import { formatTime } from "@@/utils/text"
 import * as api from "@/common/apis/risk"
-import { listProvidersApi } from "@/common/apis/settings"
+import { listProviderModelsApi, listProvidersApi } from "@/common/apis/settings"
 import { useUserStore } from "@/pinia/stores/user"
 
 const user = useUserStore()
@@ -19,6 +19,10 @@ const events = ref<Risk.RiskEvent[]>([])
 const settings = ref<Risk.Settings | null>(null)
 const providers = ref<Provider[]>([])
 const showSettings = ref(false)
+const models = ref<string[]>([])
+const modelsLoading = ref(false)
+const modelsLoaded = ref(false)
+const modelsError = ref("")
 const detail = ref<Awaited<ReturnType<typeof api.getRiskEventApi>> | null>(null)
 const showDetail = ref(false)
 const failures = ref<Risk.Analysis[]>([])
@@ -28,6 +32,7 @@ const failed = ref(false)
 const saving = ref(false)
 let sequence = 0
 let detailSequence = 0
+let modelsSequence = 0
 let timer: ReturnType<typeof setInterval> | undefined
 const labels: Record<string, string> = { bullish: "偏多", bearish: "偏空", mixed: "震荡／分歧", neutral: "中性", unknown: "无法判断", official: "官方公告", reported: "媒体报道", unverified: "待核实", refuted: "更正／辟谣", insufficient: "信息不足", low: "低", medium: "中", high: "高" }
 const starText = (value: number) => value ? "★".repeat(value) : "无明显风险"
@@ -57,13 +62,36 @@ async function openSettings() {
   providers.value = choices
   showSettings.value = true
 }
+async function loadModels() {
+  const seq = ++modelsSequence
+  const version = user.sessionVersion
+  const id = settings.value?.provider_id
+  models.value = []
+  modelsError.value = ""
+  modelsLoaded.value = false
+  modelsLoading.value = false
+  if (!showSettings.value || !id) return
+  modelsLoading.value = true
+  try {
+    const choices = await listProviderModelsApi(id)
+    if (seq !== modelsSequence || version !== user.sessionVersion) return
+    models.value = choices
+    modelsLoaded.value = true
+  } catch (error) {
+    if (seq === modelsSequence && version === user.sessionVersion)
+      modelsError.value = error instanceof Error ? error.message : "读取模型列表失败"
+  } finally {
+    if (seq === modelsSequence && version === user.sessionVersion) modelsLoading.value = false
+  }
+}
 async function save(enable: boolean) {
   if (!settings.value) return
   const version = user.sessionVersion
   saving.value = true
   try {
-    if (enable) await api.enableRiskApi(settings.value)
-    else await api.saveRiskSettingsApi({ ...settings.value, enabled: false })
+    const data = { ...settings.value, model: settings.value.model.trim() }
+    if (enable) await api.enableRiskApi(data)
+    else await api.saveRiskSettingsApi({ ...data, enabled: false })
     if (version !== user.sessionVersion) return
     showSettings.value = false
     await load()
@@ -97,6 +125,14 @@ function search() {
 }
 watch([hours, stars, archive, range], search)
 watch(page, () => void load())
+watch([showSettings, () => settings.value?.provider_id], () => void loadModels())
+watch(() => user.sessionVersion, () => {
+  modelsSequence++
+  showSettings.value = false
+  settings.value = null
+  models.value = []
+  modelsLoading.value = false
+})
 watch(showDetail, (visible) => {
   if (!visible) {
     detailSequence++
@@ -112,6 +148,7 @@ onMounted(() => {
 onBeforeUnmount(() => {
   sequence++
   detailSequence++
+  modelsSequence++
   clearInterval(timer)
 })
 </script>
@@ -224,7 +261,20 @@ onBeforeUnmount(() => {
           </el-select>
         </el-form-item>
         <el-form-item label="新闻模型名称">
-          <el-input v-model="settings.model" placeholder="填写接口实际支持的模型 ID，例如 LUNA 对应名称" />
+          <div class="w-full flex gap-2">
+            <el-select v-model="settings.model" class="min-w-0 flex-1" filterable allow-create default-first-option :loading="modelsLoading" :disabled="!settings.provider_id" placeholder="选择模型，或输入模型 ID 后回车">
+              <el-option v-for="model in models" :key="model" :value="model" :label="model" />
+            </el-select>
+            <el-button :loading="modelsLoading" :disabled="!settings.provider_id" @click="loadModels">
+              刷新列表
+            </el-button>
+          </div>
+          <p v-if="modelsError" class="mb-0 w-full text-sm text-amber-600">
+            {{ modelsError }}
+          </p>
+          <p v-else-if="modelsLoaded && !models.length" class="mb-0 text-sm text-slate-500">
+            接口未返回可选模型，可手动填写模型 ID。
+          </p>
         </el-form-item>
         <el-alert type="info" :closable="false" title="测试并启用会调用模型，随后分析起点之后的全部新闻；不会修改 Chat 或交易模型。" />
         <p>当前状态：{{ settings.enabled ? '已启用' : '已关闭' }}</p>

web/tests/workspaces.test.ts

@@ -379,6 +379,61 @@ test("风险首页丢弃旧窗口与旧会话结果，详情关闭后不写回",
   assert.equal(page.detail.value, null)
 })
 
+test("新闻模型列表随接入配置更新，保留手填值并丢弃旧配置、关闭及旧会话结果", async () => {
+  const requests: { id: number, response: ReturnType<typeof Promise.withResolvers> }[] = []
+  let unmount = () => {}
+  const user = vue.reactive({ sessionVersion: 1 })
+  const load = moduleLoader({
+    "@/common/apis/risk": { getRiskSettingsApi: async () => ({ provider_id: 1, model: "manual-model", enabled: false }) },
+    "@/common/apis/settings": {
+      listProvidersApi: async () => [],
+      listProviderModelsApi: (id: number) => {
+        const response = Promise.withResolvers()
+        requests.push({ id, response })
+        return response.promise
+      }
+    },
+    "@/pinia/stores/user": { useUserStore: () => user }
+  }, { ...globals, clearInterval, onBeforeUnmount: (callback: () => void) => unmount = callback })
+  const page = load("@/pages/home/index.vue").default.setup({}, { expose() {} })
+  await page.openSettings()
+  await vue.nextTick()
+  assert.equal(requests[0].id, 1)
+  page.settings.value.provider_id = 2
+  await vue.nextTick()
+  requests[1].response.resolve(["model-two"])
+  await setImmediate()
+  requests[0].response.resolve(["model-one"])
+  await setImmediate()
+  assert.deepEqual(Array.from(page.models.value), ["model-two"])
+  assert.equal(page.settings.value.model, "manual-model")
+  const failed = page.loadModels()
+  requests[2].response.reject(new Error("目录不可用"))
+  await failed
+  assert.equal(page.modelsError.value, "目录不可用")
+  assert.equal(page.settings.value.model, "manual-model")
+  const closed = page.loadModels()
+  page.showSettings.value = false
+  await vue.nextTick()
+  requests[3].response.resolve(["closed"])
+  await closed
+  assert.equal(page.models.value.length, 0)
+  await page.openSettings()
+  await vue.nextTick()
+  user.sessionVersion++
+  await vue.nextTick()
+  requests[4].response.resolve(["previous-session"])
+  await setImmediate()
+  assert.equal(page.showSettings.value, false)
+  assert.equal(page.models.value.length, 0)
+  await page.openSettings()
+  await vue.nextTick()
+  unmount()
+  requests[5].response.resolve(["unmounted"])
+  await setImmediate()
+  assert.equal(page.models.value.length, 0)
+})
+
 test("新闻 AI 详情绑定新闻修订版本，旧分析响应不能覆盖当前版本", async () => {
   const requests: { params: unknown, response: ReturnType<typeof Promise.withResolvers> }[] = []
   const props = vue.reactive({ newsId: 1, revision: 1 })