docs: Day 12-13 completion summary and milestone update

backend/src/routes/conversations.ts

@@ -0,0 +1,35 @@
+import { FastifyInstance, FastifyRequest, FastifyReply } from 'fastify';
+import { conversationController } from '../controllers/conversationController.js';
+
+export async function conversationRoutes(fastify: FastifyInstance) {
+  // 创建对话
+  fastify.post('/conversations', async (request: FastifyRequest, reply: FastifyReply) => {
+    return conversationController.createConversation(request as any, reply);
+  });
+
+  // 获取对话列表
+  fastify.get('/conversations', async (request: FastifyRequest, reply: FastifyReply) => {
+    return conversationController.getConversations(request as any, reply);
+  });
+
+  // 获取对话详情
+  fastify.get('/conversations/:id', async (request: FastifyRequest, reply: FastifyReply) => {
+    return conversationController.getConversationById(request as any, reply);
+  });
+
+  // 发送消息（非流式）
+  fastify.post('/conversations/message', async (request: FastifyRequest, reply: FastifyReply) => {
+    return conversationController.sendMessage(request as any, reply);
+  });
+
+  // 发送消息（流式输出）
+  fastify.post('/conversations/message/stream', async (request: FastifyRequest, reply: FastifyReply) => {
+    return conversationController.sendMessageStream(request as any, reply);
+  });
+
+  // 删除对话
+  fastify.delete('/conversations/:id', async (request: FastifyRequest, reply: FastifyReply) => {
+    return conversationController.deleteConversation(request as any, reply);
+  });
+}
+