fix(wechat): stop relay bootstrap from hijacking LLM provider selection.

Schedule LLM now binds an explicit provider key and fails closed on network errors so dead relay endpoints cannot block ordinary chat; relay bootstrap is opt-in only.

Co-authored-by: Cursor <cursoragent@cursor.com>

.env.example

@@ -178,7 +178,12 @@ H5_PUBLIC_BASE_URL=http://127.0.0.1:5173
 # MEMIND_WECHAT_INTENT_TIMEOUT_MS=4000
 # MEMIND_WECHAT_INTENT_CANARY_OPENIDS=
 
-# H5 Session stream replay（docs/h5-session-architecture-20260706.md Patch 4c）
+# 微信待办/提醒 LLM 意图（独立于 Intent Router；须绑定 DeepSeek 等直连 key，勿依赖全局 selected）
+# H5_WECHAT_SCHEDULE_LLM_ENABLED=0
+# MEMIND_WECHAT_SCHEDULE_LLM_MODEL_PROVIDER_KEY_ID=
+# MEMIND_WECHAT_SCHEDULE_LLM_MODEL=deepseek-v4-pro
+
+# H5 Session stream replay
 # 默认 0：session SSE 仍纯透传 goosed；设 1 时 Portal 持久化 session 事件并支持 Last-Event-ID 重连补发。
 # MEMIND_SESSION_STREAM_REPLAY=0
 
@@ -232,7 +237,7 @@ H5_ADMIN_PASSWORD=change-me-admin
 # H5_ADMIN_WORKSPACE_ROOT=/Users/john/PycharmProjects/tkmind
 # LLM Key 数据库加密（可选；默认派生自 TKMIND_SERVER__SECRET_KEY）
 # H5_SETTINGS_ENCRYPTION_KEY=change-me-encryption-key
-# 启动时自动导入 Relay（若不存在同名配置）；改用手动 Provider 时请设为 1
+# Relay bootstrap 默认关闭；仅本地调试 relay 时设 H5_RELAY_BOOTSTRAP_DISABLED=0
 # H5_RELAY_BOOTSTRAP_DISABLED=1
 # H5_RELAY_BOOTSTRAP_NAME=Local Goose Relay DeepSeek
 # H5_RELAY_BOOTSTRAP_URL=http://127.0.0.1:18300/relay/buyer/v1/chat/completions

llm-providers.mjs

@@ -2304,9 +2304,6 @@ export function createLlmProviderService(
         relayProvider: RELAY_BOOTSTRAP.relayProvider,
       });
       if (!result.ok) return result;
-      if (result.key && !result.key.isSelected) {
-        await this.selectKey(result.key.id);
-      }
       return { ok: true, created: true, key: result.key };
     },
   };

server/portal-agent-services-bootstrap.mjs

@@ -190,7 +190,8 @@ export async function bootstrapPortalAgentServices({
   const wordFilterService =
     createWordFilterServiceFn(pool);
 
-  const relayBootstrapTask = env.H5_RELAY_BOOTSTRAP_DISABLED === '1'
+  // Relay bootstrap is opt-in only; production uses direct provider keys (e.g. DeepSeek).
+  const relayBootstrapTask = env.H5_RELAY_BOOTSTRAP_DISABLED !== '0'
     ? Promise.resolve({ ok: true, created: false, skipped: true })
     : llmProviderService
       .ensureBootstrapRelay()

server/portal-agent-services-bootstrap.test.mjs

@@ -367,6 +367,10 @@ test('falls back from PG experience and degrades invalid image config', async ()
 
 test('keeps disabled experience null and reports background LLM failures', async () => {
   const setup = createSetup({
+    env: {
+      EXPERIENCE_PG_URL: 'postgres://experience',
+      H5_RELAY_BOOTSTRAP_DISABLED: '0',
+    },
     runtime: {
       experienceEnabled: false,
       agentWorker: { enabled: false },

wechat-schedule-llm-config.mjs

@@ -34,6 +34,8 @@ async function ensureConfigTable(pool) {
 function defaultsFromEnv(env = process.env) {
   return {
     scheduleLlmEnabled: normalizeBoolean(env.H5_WECHAT_SCHEDULE_LLM_ENABLED, false),
+    modelProviderKeyId: String(env.MEMIND_WECHAT_SCHEDULE_LLM_MODEL_PROVIDER_KEY_ID ?? '').trim() || null,
+    model: String(env.MEMIND_WECHAT_SCHEDULE_LLM_MODEL ?? '').trim() || null,
   };
 }
 
@@ -65,6 +67,8 @@ export function createWechatScheduleLlmConfigService(pool, { env = process.env }
         stored.scheduleLlmEnabled,
         defaults.scheduleLlmEnabled,
       ),
+      modelProviderKeyId: String(stored.modelProviderKeyId ?? defaults.modelProviderKeyId ?? '').trim() || null,
+      model: String(stored.model ?? defaults.model ?? '').trim() || null,
     };
   }
 
@@ -90,6 +94,14 @@ export function createWechatScheduleLlmConfigService(pool, { env = process.env }
           payload.scheduleLlmEnabled === undefined
             ? current.scheduleLlmEnabled
             : normalizeBoolean(payload.scheduleLlmEnabled, current.scheduleLlmEnabled),
+        modelProviderKeyId:
+          payload.modelProviderKeyId === undefined
+            ? (current.modelProviderKeyId ?? '')
+            : String(payload.modelProviderKeyId ?? '').trim(),
+        model:
+          payload.model === undefined
+            ? (current.model ?? '')
+            : String(payload.model ?? '').trim(),
       };
       const now = Date.now();
       await pool.query(

wechat/handlers/schedule.mjs

@@ -60,40 +60,50 @@ function normalizeLlmScheduleIntent(payload) {
   return { action: 'none' };
 }
 
-async function parseScheduleIntentWithLlm({ text, llmProviderService, logger = console }) {
+async function parseScheduleIntentWithLlm({ text, llmProviderService, modelProviderKeyId = null, model = null, logger = console }) {
   if (!llmProviderService || typeof llmProviderService.createChatCompletion !== 'function') {
     return { action: 'none' };
   }
 
-  const result = await llmProviderService.createChatCompletion({
-    temperature: 0,
-    messages: [
-      {
-        role: 'system',
-        content: [
-          '你是公众号提醒助手，只做意图识别。',
-          '请严格输出 JSON，不要输出解释。',
-          '允许 action: create_todo, create_daily_todo_digest, create_balance_alert, query_schedule, schedule_agent, none。',
-          'create_todo 需要 title。',
-          'create_daily_todo_digest 需要 hour(0-23) 和 minute(0-59)。',
-          'create_balance_alert 需要 thresholdYuan 数字。',
-          '如果用户在说具体时间提醒、一次性闹钟、某天某时提醒，返回 schedule_agent。',
-          '不确定时返回 none。',
-        ].join('\n'),
-      },
-      {
-        role: 'user',
-        content: text,
-      },
-    ],
-  });
+  try {
+    const result = await llmProviderService.createChatCompletion({
+      ...(modelProviderKeyId ? { providerKeyId: modelProviderKeyId } : {}),
+      ...(model ? { model } : {}),
+      temperature: 0,
+      messages: [
+        {
+          role: 'system',
+          content: [
+            '你是公众号提醒助手，只做意图识别。',
+            '请严格输出 JSON，不要输出解释。',
+            '允许 action: create_todo, create_daily_todo_digest, create_balance_alert, query_schedule, schedule_agent, none。',
+            'create_todo 需要 title。',
+            'create_daily_todo_digest 需要 hour(0-23) 和 minute(0-59)。',
+            'create_balance_alert 需要 thresholdYuan 数字。',
+            '如果用户在说具体时间提醒、一次性闹钟、某天某时提醒，返回 schedule_agent。',
+            '不确定时返回 none。',
+          ].join('\n'),
+        },
+        {
+          role: 'user',
+          content: text,
+        },
+      ],
+    });
 
-  if (!result?.ok) {
-    logger?.warn?.('[wechat-schedule-llm] parse skipped:', result?.message ?? 'unknown');
+    if (!result?.ok) {
+      logger?.warn?.('[wechat-schedule-llm] parse skipped:', result?.message ?? 'unknown');
+      return { action: 'none' };
+    }
+
+    return normalizeLlmScheduleIntent(parseJsonReply(result.reply));
+  } catch (err) {
+    logger?.warn?.(
+      '[wechat-schedule-llm] parse skipped:',
+      err instanceof Error ? err.message : err,
+    );
     return { action: 'none' };
   }
-
-  return normalizeLlmScheduleIntent(parseJsonReply(result.reply));
 }
 
 async function resolveScheduleIntent({
@@ -118,7 +128,26 @@ async function resolveScheduleIntent({
   }
   if (!enabled) return ruleIntent;
 
-  return parseScheduleIntentWithLlm({ text, llmProviderService, logger });
+  let modelProviderKeyId = null;
+  let model = null;
+  try {
+    const config = await wechatScheduleLlmConfigService.getConfig();
+    modelProviderKeyId = config.modelProviderKeyId ?? null;
+    model = config.model ?? null;
+  } catch (err) {
+    logger?.warn?.(
+      '[wechat-schedule-llm] provider config load failed:',
+      err instanceof Error ? err.message : err,
+    );
+  }
+
+  return parseScheduleIntentWithLlm({
+    text,
+    llmProviderService,
+    modelProviderKeyId,
+    model,
+    logger,
+  });
 }
 
 export async function handleWechatScheduleIntent({

wechat/handlers/schedule.test.mjs

@@ -19,13 +19,28 @@ function createScheduleService() {
   };
 }
 
+function createScheduleLlmConfigService(enabled = true) {
+  return {
+    async isScheduleLlmEnabled() {
+      return enabled;
+    },
+    async getConfig() {
+      return {
+        scheduleLlmEnabled: enabled,
+        modelProviderKeyId: 'deepseek-key',
+        model: 'deepseek-v4-pro',
+      };
+    },
+  };
+}
+
 test('schedule handler keeps rule-based parsing as first priority', async () => {
   let llmCalled = false;
   const reply = await handleWechatScheduleIntent({
     intent: { agentText: '帮我记一下 跟进合同', msgId: 'msg-1' },
     user: { userId: 'user-1' },
     scheduleService: createScheduleService(),
-    wechatScheduleLlmConfigService: { async isScheduleLlmEnabled() { return true; } },
+    wechatScheduleLlmConfigService: createScheduleLlmConfigService(true),
     llmProviderService: {
       async createChatCompletion() {
         llmCalled = true;
@@ -42,7 +57,7 @@ test('schedule handler can use llm fallback for ambiguous todo text', async () =
     intent: { agentText: '下周把合同发给客户，别忘了', msgId: 'msg-2' },
     user: { userId: 'user-1' },
     scheduleService: createScheduleService(),
-    wechatScheduleLlmConfigService: { async isScheduleLlmEnabled() { return true; } },
+    wechatScheduleLlmConfigService: createScheduleLlmConfigService(true),
     llmProviderService: {
       async createChatCompletion() {
         return {
@@ -71,7 +86,7 @@ test('schedule handler does not call llm when switch is off', async () => {
     intent: { agentText: '别忘了报销', msgId: 'msg-4' },
     user: { userId: 'user-1' },
     scheduleService: createScheduleService(),
-    wechatScheduleLlmConfigService: { async isScheduleLlmEnabled() { return false; } },
+    wechatScheduleLlmConfigService: createScheduleLlmConfigService(false),
     llmProviderService: {
       async createChatCompletion() {
         llmCalled = true;
@@ -89,7 +104,7 @@ test('schedule handler falls back quietly when llm request fails', async () => {
     intent: { agentText: '别忘了报销', msgId: 'msg-5' },
     user: { userId: 'user-1' },
     scheduleService: createScheduleService(),
-    wechatScheduleLlmConfigService: { async isScheduleLlmEnabled() { return true; } },
+    wechatScheduleLlmConfigService: createScheduleLlmConfigService(true),
     llmProviderService: {
       async createChatCompletion() {
         return { ok: false, message: 'provider unavailable' };
@@ -102,12 +117,31 @@ test('schedule handler falls back quietly when llm request fails', async () => {
   assert.match(warnings[0], /provider unavailable/);
 });
 
+test('schedule handler falls back quietly when llm request throws', async () => {
+  const warnings = [];
+  const reply = await handleWechatScheduleIntent({
+    intent: { agentText: '什么是机器学习', msgId: 'msg-6' },
+    user: { userId: 'user-1' },
+    scheduleService: createScheduleService(),
+    wechatScheduleLlmConfigService: createScheduleLlmConfigService(true),
+    llmProviderService: {
+      async createChatCompletion() {
+        throw new TypeError('fetch failed');
+      },
+    },
+    logger: { warn: (...args) => warnings.push(args.join(' ')) },
+  });
+  assert.equal(reply, null);
+  assert.equal(warnings.length, 1);
+  assert.match(warnings[0], /fetch failed/);
+});
+
 test('schedule handler falls through for llm schedule_agent results', async () => {
   const reply = await handleWechatScheduleIntent({
     intent: { agentText: '明天下午三点提醒我开会', msgId: 'msg-3' },
     user: { userId: 'user-1' },
     scheduleService: createScheduleService(),
-    wechatScheduleLlmConfigService: { async isScheduleLlmEnabled() { return true; } },
+    wechatScheduleLlmConfigService: createScheduleLlmConfigService(true),
     llmProviderService: {
       async createChatCompletion() {
         return {