chore: import upstream snapshot with attribution

2026-07-13 13:24:08 +08:00
commit 0d3cb498a3
5438 changed files with 1316560 additions and 0 deletions
@@ -0,0 +1,79 @@
+import express from 'express';
+import OpenAI from 'openai';
+import { v4 as uuidv4 } from 'uuid';
+
+const app = express();
+const port = 8080;
+
+app.use(express.json());
+
+// In-memory storage for conversation histories
+const conversationHistories = new Map();
+
+// Initialize OpenAI client
+const openai = new OpenAI({
+  apiKey: process.env.OPENAI_API_KEY,
+});
+
+app.get('/session', (req, res) => {
+  const sessionId = uuidv4();
+  console.log(`Session started: ${sessionId}`);
+  conversationHistories.set(sessionId, []);
+  res.status(201).send(sessionId);
+});
+
+app.delete('/session/:sessionId', (req, res) => {
+  const { sessionId } = req.params;
+  console.log(`Session ended: ${sessionId}`);
+  conversationHistories.delete(sessionId);
+  res.status(204).send(sessionId);
+});
+
+// Inference endpoint
+app.post('/inference', async (req, res) => {
+  try {
+    const { message, sessionId } = req.body;
+
+    // Get or initialize conversation history for this session
+    if (!conversationHistories.has(sessionId)) {
+      conversationHistories.set(sessionId, []);
+    }
+
+    const history = conversationHistories.get(sessionId);
+
+    // Add new messages to history
+    const newMessages = Array.isArray(message) ? message : [{ role: 'user', content: message }];
+    history.push(...newMessages);
+
+    console.log(`New user message (${sessionId}: ${history.length} messages)`);
+
+    // Make inference request with full conversation history
+    const completion = await openai.chat.completions.create({
+      model: 'gpt-4o-2024-08-06',
+      messages: history,
+    });
+
+    const assistantMessage = {
+      role: 'assistant',
+      content: completion.choices[0].message.content,
+    };
+
+    // Add assistant response to history
+    history.push(assistantMessage);
+
+    // Update the stored history
+    conversationHistories.set(sessionId, history);
+
+    res.json({ output: completion.choices[0].message.content });
+  } catch (error) {
+    console.error('Inference error:', error);
+    res.status(500).json({
+      error: 'Inference failed',
+      message: error.message,
+    });
+  }
+});
+
+app.listen(port, () => {
+  console.log(`Server running on http://localhost:${port}`);
+});