feat: 添加获取 OpenCode 可用模型列表的功能，并优化创建客户端的参数

assistant/src/routes/opencode/cnb.ts

@@ -4,6 +4,50 @@ import { getClient } from './module/client.ts';
 import dayjs from 'dayjs';
 import { Session } from '@opencode-ai/sdk';
 
+app.route({
+  path: 'opencode-cnb',
+  key: 'models',
+  middleware: ['auth-admin'],
+  description: '获取 OpenCode 可用模型列表，返回 providerID 和 modelID',
+  metadata: {
+    args: {
+      baseUrl: z.string().optional().describe('OpenCode 服务地址，默认为 http://localhost:4096'),
+    }
+  }
+}).define(async (ctx) => {
+  const { baseUrl } = ctx.query;
+  const client = await getClient({ baseUrl });
+  if (!client) {
+    ctx.body = { content: '获取 OpenCode 客户端失败' };
+    return;
+  }
+  const res = await client.provider.list();
+  const providerData = (res as any)?.data ?? res;
+  const all: any[] = providerData?.all ?? [];
+  const connected: string[] = providerData?.connected ?? [];
+  const defaultModels: Record<string, string> = providerData?.default ?? {};
+
+  const models: Array<{ providerID: string; providerName: string; modelID: string; modelName: string; isDefault: boolean; isConnected: boolean }> = [];
+  for (const provider of all) {
+    const isConnected = connected.includes(provider.id);
+    for (const [modelKey, model] of Object.entries<any>(provider.models ?? {})) {
+      models.push({
+        providerID: provider.id,
+        providerName: provider.name,
+        modelID: modelKey,
+        modelName: model.name ?? modelKey,
+        isDefault: defaultModels[provider.id] === modelKey,
+        isConnected,
+      });
+    }
+  }
+
+  ctx.body = {
+    content: `共 ${models.length} 个模型，已连接提供商: ${connected.join(', ') || '无'}`,
+    data: { models, connected, default: defaultModels },
+  };
+}).addTo(app);
+
 app.route({
   path: 'opencode-cnb',
   key: 'question',
@@ -14,13 +58,16 @@ app.route({
       question: z.string().describe('问题'),
       baseUrl: z.string().optional().describe('OpenCode 服务地址，默认为 http://localhost:4096'),
       directory: z.string().optional().describe('运行目录，默认为根目录'),
-      messageID: z.string().optional().describe('消息 ID，选填'),
+      messageId: z.string().optional().describe('消息 ID，选填'),
       sessionId: z.string().optional().describe('会话 ID，选填'),
+      providerId: z.string().optional().describe('指定使用的提供商 ID，默认为空，表示使用默认提供商'),
+      modelId: z.string().optional().describe('指定使用的模型 ID，默认为空，表示使用默认模型'),
       parts: z.array(z.any()).optional().describe('消息内容的分块，优先于 question 参数'),
+      awaitAnswer: z.boolean().optional().describe('是否等待回答完成，默认为 false，开启后会在回答完成后返回完整回答内容')
     }
   }
 }).define(async (ctx) => {
-  const { question, baseUrl, directory = '/workspace', messageID, sessionId, parts } = ctx.query;
+  const { question, baseUrl, directory = '/workspace', messageId, sessionId, parts, awaitAnswer = false, providerId, modelId } = ctx.query;
   const client = await getClient({ baseUrl: baseUrl });
   if (!client) {
     ctx.body = { content: `OpenCode 客户端获取失败` };
@@ -53,16 +100,24 @@ app.route({
     session = createSession.data;
   }
   let _parts: any[] = parts ?? [{ type: "text", text: question }];
-  const message = await client.session.prompt({
+  let data: any = null;
+  let model = null;
+  if (providerId && modelId) {
+    model = { providerID: providerId, modelID: modelId };
+  }
+  const promptPromise = client.session.prompt({
     body: {
-      messageID: messageID,
+      messageID: messageId,
       parts: _parts,
+      model
     },
     path: {
       id: sessionId || session.id,
     },
   })
-  const data = message.data;
-
-  ctx.body = { content: `已经启动`, data };
+  if (awaitAnswer) {
+    const message = await promptPromise;
+    data = message.data;
+  }
+  ctx.body = { content: awaitAnswer ? `已经完成` : `运行中`, data, sessionId: session.id, messageId: messageId };
 }).addTo(app);