Add Website Slowness Diagnostics - Multi-framework analysis tool

Features:
- Support for 8 frameworks: WordPress, Drupal, Joomla, Magento, Laravel, Node.js, Static HTML, Custom PHP
- Auto-detect framework and perform framework-specific analysis
- 40+ slowness indicators across database, configuration, resources, performance
- Comprehensive diagnostics: database optimization, table fragmentation, indexes, PHP config
- Resource analysis: swap usage, I/O performance, process saturation, file descriptors
- Domain-specific analysis with no server-wide impact
- Handles custom WordPress table prefixes automatically
- Graceful error handling for users without shell access
- Domain input sanitization (accepts https://www.example.com, etc.)
- Temp file management with automatic cleanup
- Production-ready with full testing

Fixes applied:
- Fixed temp session initialization using exported variables
- Fixed database credential extraction with proper grep/awk
- Added automatic WordPress table prefix detection
- Added proper error handling for shell-less cPanel users
- Removed problematic progress display calls
- Added domain input sanitization for better UX

Added to menu:
- Main Website Diagnostics menu (Option 3)
- Not limited to WordPress, supports all frameworks

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

launcher.sh

@@ -292,13 +292,18 @@ show_website_menu() {
     echo -e "  ${BLUE}1)${NC} 🔍 Website Error Analyzer    - Find 500/config errors (filters bots)"
     echo -e "  ${RED}2)${NC} 🔥 Fast 500 Error Tracker    - ONLY 500s + root cause diagnosis"
     echo ""
+    echo -e "${BOLD}Performance & Slowness:${NC}"
+    echo ""
+    echo -e "  ${MAGENTA}3)${NC} 🐢 Website Slowness Diagnostics - Multi-framework analysis"
+    echo "     └─ WordPress, Drupal, Joomla, Magento, Laravel, Node.js, etc."
+    echo ""
     echo -e "${BOLD}WordPress Management:${NC}"
     echo ""
-    echo -e "  ${BLUE}3)${NC} 📦 WordPress Tools           → WP-Cron manager & diagnostics"
+    echo -e "  ${BLUE}4)${NC} 📦 WordPress Tools           → WP-Cron manager & more tools"
     echo ""
     echo -e "${BOLD}Domain Analysis:${NC}"
     echo ""
-    echo -e "  ${BLUE}4)${NC} 🔶 Cloudflare Detector       - Which domains use Cloudflare + location"
+    echo -e "  ${BLUE}5)${NC} 🔶 Cloudflare Detector       - Which domains use Cloudflare + location"
     echo ""
     echo -e "  ${RED}0)${NC} Back to Main Menu"
     echo ""
@@ -314,8 +319,9 @@ handle_website_menu() {
         case $choice in
             1) run_module "website" "website-error-analyzer.sh" ;;
             2) run_module "website" "500-error-tracker.sh" ;;
-            3) bash "$MODULES_DIR/website/wordpress-menu.sh" ;;
-            4) run_module "website" "cloudflare-detector.sh" ;;
+            3) run_module "website" "website-slowness-diagnostics.sh" ;;
+            4) bash "$MODULES_DIR/website/wordpress-menu.sh" ;;
+            5) run_module "website" "cloudflare-detector.sh" ;;
             0) return ;;
             *) echo -e "${RED}Invalid option${NC}"; sleep 1 ;;
         esac