feat: Market Intel Database & UI Polish

- market_db_manager.py: Created SQLite manager for saving/loading projects.

- server.cjs: Added API routes for project management.

- geminiService.ts: Added client-side DB functions.

- StepInput.tsx: Added 'Past Runs' sidebar to load previous audits.

- App.tsx: Added auto-save functionality and full state hydration logic.

- StepOutreach.tsx: Improved UI layout by merging generated campaigns and suggestions into one list.

general-market-intelligence/server.cjs

@@ -213,6 +213,34 @@ app.post('/api/generate-outreach', async (req, res) => {
     }
 });
 
+// --- DATABASE ROUTES ---
+
+// Initialize DB on startup
+const dbScript = path.join(__dirname, '..', 'market_db_manager.py');
+spawn('python3', [dbScript, 'init']);
+
+app.get('/api/projects', (req, res) => {
+    runPython([dbScript, 'list'], res);
+});
+
+app.get('/api/projects/:id', (req, res) => {
+    runPython([dbScript, 'load', req.params.id], res);
+});
+
+app.post('/api/save-project', (req, res) => {
+    const projectData = req.body;
+    const tmpDir = path.join(__dirname, 'tmp');
+    if (!fs.existsSync(tmpDir)) fs.mkdirSync(tmpDir);
+    const tempFilePath = path.join(tmpDir, `save_${Date.now()}.json`);
+
+    try {
+        fs.writeFileSync(tempFilePath, JSON.stringify(projectData));
+        runPython([dbScript, 'save', tempFilePath], res, [tempFilePath]);
+    } catch (e) {
+        res.status(500).json({ error: 'Failed to write project data to disk' });
+    }
+});
+
 app.listen(PORT, () => {
     console.log(`Node.js API Bridge running on http://localhost:${PORT}`);
 });