forked from username/flaskpaste
RATE-002: Proactive rate limit cleanup when entries exceed threshold - Add RATE_LIMIT_CLEANUP_THRESHOLD config (default 0.8) - Trigger cleanup before hitting hard limit - Prevents memory exhaustion under sustained load CLI-001: Validate clipboard tool paths against trusted directories - Add TRUSTED_CLIPBOARD_DIRS for Unix system paths - Add TRUSTED_WINDOWS_PATTERNS for Windows validation - Reject tools in user-writable locations (PATH hijack prevention) - Use absolute paths in subprocess calls