Set up the basic structure and core functionality for the application

Initialize project with UI components, core libraries, and basic app structure.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 556aa286-edd2-4cea-8583-f4fc3cfd119b

server/middleware/auth.ts

@@ -0,0 +1,52 @@
+import { Request, Response, NextFunction } from 'express';
+import { storage } from '../storage';
+
+export interface AuthenticatedRequest extends Request {
+  user?: any;
+}
+
+export const authMiddleware = async (req: AuthenticatedRequest, res: Response, next: NextFunction) => {
+  if (!req.user) {
+    return res.status(401).json({ error: 'Authentication required' });
+  }
+  
+  try {
+    // Refresh user data from database
+    const user = await storage.getUser(req.user.id);
+    if (!user) {
+      return res.status(401).json({ error: 'User not found' });
+    }
+    
+    req.user = user;
+    next();
+  } catch (error) {
+    console.error('Auth middleware error:', error);
+    res.status(500).json({ error: 'Authentication error' });
+  }
+};
+
+export const requireRole = (roles: string[]) => {
+  return (req: AuthenticatedRequest, res: Response, next: NextFunction) => {
+    if (!req.user) {
+      return res.status(401).json({ error: 'Authentication required' });
+    }
+    
+    if (!roles.includes(req.user.role)) {
+      return res.status(403).json({ error: 'Insufficient permissions' });
+    }
+    
+    next();
+  };
+};
+
+export const requireOnboarding = (req: AuthenticatedRequest, res: Response, next: NextFunction) => {
+  if (!req.user) {
+    return res.status(401).json({ error: 'Authentication required' });
+  }
+  
+  if (!req.user.onboardingComplete) {
+    return res.status(403).json({ error: 'Onboarding required', onboardingRequired: true });
+  }
+  
+  next();
+};