auto-claude: subtask-4-1 - Remove old in-memory rate limiter file

src/utils/rateLimiting.ts

@@ -1,55 +0,0 @@
-interface RateLimitEntry {
-  count: number;
-  timestamp: number;
-}
-
-const WINDOW_SIZE_MS = 3600000; // 1 hour
-const MAX_REQUESTS = 5; // Maximum requests per hour
-
-class RateLimiter {
-  private cache: Map<string, RateLimitEntry>;
-
-  constructor() {
-    this.cache = new Map();
-  }
-
-  isRateLimited(ip: string): boolean {
-    const now = Date.now();
-    const entry = this.cache.get(ip);
-
-    if (!entry) {
-      this.cache.set(ip, { count: 1, timestamp: now });
-      return false;
-    }
-
-    if (now - entry.timestamp > WINDOW_SIZE_MS) {
-      this.cache.set(ip, { count: 1, timestamp: now });
-      return false;
-    }
-
-    if (entry.count >= MAX_REQUESTS) {
-      return true;
-    }
-
-    entry.count++;
-    return false;
-  }
-
-  getRemainingAttempts(ip: string): number {
-    const entry = this.cache.get(ip);
-    if (!entry) {
-      return MAX_REQUESTS;
-    }
-    return Math.max(0, MAX_REQUESTS - entry.count);
-  }
-
-  getTimeToReset(ip: string): number {
-    const entry = this.cache.get(ip);
-    if (!entry) {
-      return 0;
-    }
-    return Math.max(0, WINDOW_SIZE_MS - (Date.now() - entry.timestamp));
-  }
-}
-
-export const rateLimiter = new RateLimiter();