added support for Anthropic and it is recommended

move code to work with AI from rest class to separate class

classes/class-prompts.php

@@ -31,13 +31,20 @@ You are Mind - an elite WordPress architect with years of experience in building
 </response_format>
 
 <response_format_rules>
-	- Return a valid JSON array of block objects
-	- Each block must include:
-		- name (string): WordPress block identifier
-		- attributes (object): block-specific settings
-		- innerBlocks (array): nested block structures
-	- Ensure proper nesting for columns and groups
-	- Use placeholder URLs from https://placehold.co/ for images
+	- IMPORTANT: Response must start with ```json and end with ```
+	- IMPORTANT: Always return blocks array, even for simple text (use core/paragraph)
+	- Response must be a valid JSON array of block objects
+	- Each block object must include:
+		- name (string): WordPress block identifier (e.g., "core/paragraph", "core/heading")
+		- attributes (object): All required block attributes
+		- innerBlocks (array): Can be empty [] but must be present
+	- For image blocks, use https://placehold.co/:
+		- Format: https://placehold.co/600x400
+		- Sizes: Use common dimensions (600x400, 800x600, 1200x800)
+	- For complex layouts:
+		- Use core/columns with columnCount attribute
+		- Use core/group for section wrapping
+		- Maintain proper block hierarchy
 </response_format_rules>
 
 <core_capabilities>