feat: initial Claude chat (sechenov)

server.js

@@ -0,0 +1,67 @@
+const express = require('express');
+const { spawn, execSync } = require('child_process');
+const path = require('path');
+const fs = require('fs');
+const os = require('os');
+
+const app = express();
+app.use(express.json({ limit: '10mb' }));
+app.use(express.static(path.join(__dirname, 'public')));
+
+// Resolve claude binary
+let CLAUDE_BIN = 'claude';
+{
+    const local = '/app/claude-bin/node_modules/.bin/claude';
+    if (fs.existsSync(local)) {
+        CLAUDE_BIN = local;
+    } else {
+        try {
+            CLAUDE_BIN = execSync('which claude 2>/dev/null || echo claude', { encoding: 'utf8' }).trim();
+        } catch (e) {}
+    }
+}
+console.log(`✓ Claude binary: ${CLAUDE_BIN}`);
+
+const MODELS = {
+    sonnet: 'claude-sonnet-4-6',
+    haiku: 'claude-haiku-4-5-20251001',
+};
+
+app.post('/api/chat', (req, res) => {
+    const { text, model = 'sonnet' } = req.body;
+    if (!text?.trim()) return res.status(400).json({ error: 'text required' });
+
+    const modelId = MODELS[model] || MODELS.sonnet;
+    const configDir = process.env.CLAUDE_CONFIG_DIR || path.join(os.homedir(), '.claude');
+
+    res.setHeader('Content-Type', 'text/event-stream');
+    res.setHeader('Cache-Control', 'no-cache');
+    res.setHeader('Connection', 'keep-alive');
+
+    const env = { ...process.env, CLAUDE_CONFIG_DIR: configDir };
+
+    const proc = spawn(CLAUDE_BIN, ['-p', text, '--model', modelId, '--output-format', 'text'], {
+        env,
+        stdio: ['ignore', 'pipe', 'pipe'],
+    });
+
+    proc.stdout.on('data', (chunk) => {
+        res.write(`data: ${JSON.stringify({ text: chunk.toString() })}\n\n`);
+    });
+
+    proc.stderr.on('data', (chunk) => {
+        console.error('[claude stderr]', chunk.toString().substring(0, 300));
+    });
+
+    proc.on('close', (code) => {
+        if (code !== 0) {
+            res.write(`data: ${JSON.stringify({ error: `Ошибка (code ${code}). Проверь auth: claude --version` })}\n\n`);
+        }
+        res.write('data: [DONE]\n\n');
+        res.end();
+    });
+
+    req.on('close', () => { try { proc.kill(); } catch (e) {} });
+});
+
+app.listen(8108, () => console.log('sechenov :8108'));