feat(content): implement Content Engine MVP (v1.0) with GTM integration

content-engine/server.cjs

@@ -0,0 +1,68 @@
+const express = require('express');
+const { spawn } = require('child_process');
+const path = require('path');
+const fs = require('fs');
+
+const app = express();
+const port = process.env.PORT || 3006;
+
+app.use(express.json({ limit: '50mb' }));
+
+// INITIALIZE DATABASE ON START
+const dbScript = path.join(__dirname, 'content_db_manager.py');
+console.log("Initializing database...");
+spawn('python3', [dbScript]);
+
+// Helper to run python commands
+function runPython(mode, payload) {
+    return new Promise((resolve, reject) => {
+        const payloadFile = path.join(__dirname, `payload_${Date.now()}.json`);
+        fs.writeFileSync(payloadFile, JSON.stringify(payload));
+
+        const pythonProcess = spawn('python3', [
+            path.join(__dirname, 'content_orchestrator.py'),
+            '--mode', mode,
+            '--payload_file', payloadFile
+        ]);
+
+        let stdout = '';
+        let stderr = '';
+
+        pythonProcess.stdout.on('data', (data) => stdout += data.toString());
+        pythonProcess.stderr.on('data', (data) => stderr += data.toString());
+
+        pythonProcess.on('close', (code) => {
+            if (fs.existsSync(payloadFile)) fs.unlinkSync(payloadFile);
+            if (code !== 0) {
+                console.error(`Python error (code ${code}):`, stderr);
+                return reject(stderr);
+            }
+            try {
+                resolve(JSON.parse(stdout));
+            } catch (e) {
+                reject("Failed to parse Python output: " + stdout);
+            }
+        });
+    });
+}
+
+app.post('/api/:mode', async (req, res) => {
+    try {
+        const result = await runPython(req.params.mode, req.body);
+        res.json(result);
+    } catch (error) {
+        res.status(500).json({ error: error.toString() });
+    }
+});
+
+// Serve static assets from build (for production)
+if (fs.existsSync(path.join(__dirname, 'dist'))) {
+    app.use(express.static(path.join(__dirname, 'dist')));
+    app.get('*', (req, res) => {
+        res.sendFile(path.join(__dirname, 'dist', 'index.html'));
+    });
+}
+
+app.listen(port, () => {
+    console.log(`Content Engine Server running on port ${port}`);
+});