5a2d51d496
Added validation checks for potentially empty variables before use to prevent errors and unsafe operations. WordPress Cron Manager (5 fixes): - Added site_path validation after dirname operations - Prevents using empty paths in cd commands and file operations - Pattern: Check [ -z "$site_path" ] before use Bot Analyzer: - Quoted TEMP_DIR in trap command for safety Hardware Health Check: - Quoted MESSAGES_CACHE in trap command for safety Note: 5 issues flagged in toolkit-qa-check.sh were false positives (echo statements demonstrating bad patterns, not actual code issues)