Add some new commands for the Crawl4ai script transpiler and creating an interactive tutorial that allows users to go through multiple steps and apply the syntax to automate the page. Fixed some issues and add several new commands for setting input values, variables, clearing input fields, and more.

docs/examples/c4a_script/tutorial/scripts/05-complex-workflow.c4a

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+# Complete E-commerce Workflow
+# Login, browse products, and interact with various elements
+
+# Define reusable procedures
+PROC handle_popups
+  IF (EXISTS `.cookie-banner`) THEN CLICK `.accept`
+  IF (EXISTS `.newsletter-popup`) THEN CLICK `.close`
+ENDPROC
+
+PROC login_user
+  CLICK `#login-btn`
+  WAIT `.login-form` 2
+  CLICK `#email`
+  TYPE "demo@example.com"
+  CLICK `#password`
+  TYPE "demo123"
+  CLICK `button[type="submit"]`
+  WAIT `.welcome-message` 5
+ENDPROC
+
+PROC browse_products
+  # Go to catalog
+  CLICK `#catalog-link`
+  WAIT `.product-grid` 3
+  
+  # Apply filters
+  CLICK `.collapsible`
+  WAIT 0.5
+  CLICK `input[type="checkbox"]`
+  
+  # Load some products
+  SCROLL DOWN 500
+  WAIT 1
+  SCROLL DOWN 500
+  WAIT 1
+ENDPROC
+
+# Main workflow
+GO http://127.0.0.1:8080/playground/
+WAIT `body` 2
+
+# Handle initial popups
+handle_popups
+
+# Login if not already
+IF (NOT EXISTS `.user-info`) THEN login_user
+
+# Browse products
+browse_products
+
+# Navigate to tabs demo
+CLICK `a[href="#tabs"]`
+WAIT `.tabs-container` 2
+
+# Interact with tabs
+CLICK `button[data-tab="reviews"]`
+WAIT 1
+
+# Load comments
+IF (EXISTS `.load-comments`) THEN CLICK `.load-comments`
+WAIT `.comments-section` 2
+
+# Check specifications
+CLICK `button[data-tab="specs"]`
+WAIT 1
+
+# Final navigation to data tables
+CLICK `a[href="#data"]`
+WAIT `.data-table` 2
+
+# Search in table
+CLICK `.search-input`
+TYPE "User"
+
+# Load more rows
+CLICK `.load-more-rows`
+WAIT 1
+
+# Export data
+CLICK `#export-btn`
+
+EVAL `console.log('✅ Workflow completed successfully!')`