Fix token handling, remove orchestrator API call, improve mobile responsive footer layout

Mode3Test/backend/redis-cache.ts

@@ -0,0 +1,101 @@
+import Redis from 'ioredis';
+
+// Create Redis client
+const redis = new Redis({
+  host: process.env.REDIS_HOST || 'localhost',
+  port: Number(process.env.REDIS_PORT || 6379),
+  password: process.env.REDIS_PASSWORD,
+  retryStrategy(times) {
+    const delay = Math.min(times * 50, 2000);
+    return delay;
+  },
+  maxRetriesPerRequest: 3,
+  lazyConnect: true,
+});
+
+// Handle connection events
+redis.on('connect', () => {
+  console.log('✓ Redis connected');
+});
+
+redis.on('error', (err) => {
+  console.error('Redis error:', err.message);
+});
+
+redis.on('close', () => {
+  console.log('Redis connection closed');
+});
+
+// Connect to Redis
+(async () => {
+  try {
+    await redis.connect();
+  } catch (err) {
+    console.error('Failed to connect to Redis:', err);
+  }
+})();
+
+/**
+ * Get a value from cache
+ */
+export async function getCache(key: string): Promise<any | null> {
+  try {
+    const value = await redis.get(key);
+    if (!value) return null;
+    return JSON.parse(value);
+  } catch (err) {
+    console.error(`Cache get error for key "${key}":`, err);
+    return null;
+  }
+}
+
+/**
+ * Set a value in cache with TTL in seconds
+ */
+export async function setCache(key: string, value: any, ttl: number = 300): Promise<boolean> {
+  try {
+    const serialized = JSON.stringify(value);
+    await redis.setex(key, ttl, serialized);
+    return true;
+  } catch (err) {
+    console.error(`Cache set error for key "${key}":`, err);
+    return false;
+  }
+}
+
+/**
+ * Delete a key from cache
+ */
+export async function deleteCache(key: string): Promise<boolean> {
+  try {
+    await redis.del(key);
+    return true;
+  } catch (err) {
+    console.error(`Cache delete error for key "${key}":`, err);
+    return false;
+  }
+}
+
+/**
+ * Clear all cache keys matching a pattern
+ */
+export async function clearCachePattern(pattern: string): Promise<number> {
+  try {
+    const keys = await redis.keys(pattern);
+    if (keys.length === 0) return 0;
+    await redis.del(...keys);
+    return keys.length;
+  } catch (err) {
+    console.error(`Cache clear error for pattern "${pattern}":`, err);
+    return 0;
+  }
+}
+
+/**
+ * Check if Redis is connected
+ */
+export function isRedisConnected(): boolean {
+  return redis.status === 'ready';
+}
+
+export default redis;