🔧 Better error handling, startup logging, improved Dockerfile

Dockerfile

@@ -3,13 +3,15 @@ FROM node:20-slim
 WORKDIR /app
 
 # Install dependencies
-COPY package.json package-lock.json* ./
-RUN npm install --production
+COPY package.json package-lock.json ./
+RUN npm ci --only=production 2>&1 || npm install --production
 
 # Copy source
 COPY . .
 
-# HF Spaces serve on $PORT (default 7860)
+# HF Spaces sets PORT env var
+ENV PORT=7860
+
 EXPOSE 7860
 
 CMD ["node", "server.js"]

server.js

@@ -31,10 +31,16 @@ app.use(session({
 
 // ── Helpers ─────────────────────────────────────────────────────────────────
 // Seed menu data if not present in persistent storage
-const SEED_FILE = path.join(__dirname, 'data', 'menu.json');
-if (!fs.existsSync(DATA_FILE) && fs.existsSync(SEED_FILE)) {
-  fs.copyFileSync(SEED_FILE, DATA_FILE);
-  console.log('📋 Seeded menu data to persistent storage');
+try {
+  const SEED_FILE = path.join(__dirname, 'data', 'menu.json');
+  if (!fs.existsSync(DATA_FILE) && fs.existsSync(SEED_FILE)) {
+    fs.copyFileSync(SEED_FILE, DATA_FILE);
+    console.log('📋 Seeded menu data to persistent storage');
+  }
+  console.log(`📁 Data dir: ${DATA_DIR}`);
+  console.log(`📄 Data file exists: ${fs.existsSync(DATA_FILE)}`);
+} catch (err) {
+  console.error('Seed error:', err.message);
 }
 
 function readMenu() {