fix: documentation and trademark updates

dist/agents/ux-expert.txt

@@ -89,6 +89,7 @@ dependencies:
 ==================== END: .bmad-core/agents/ux-expert.md ====================
 
 ==================== START: .bmad-core/tasks/create-doc.md ====================
+<!-- Powered by BMAD™ Core -->
 # Create Document from Template (YAML Driven)
 
 ## ⚠️ CRITICAL EXECUTION NOTICE ⚠️
@@ -193,6 +194,7 @@ User can type `#yolo` to toggle to YOLO mode (process all sections at once).
 ==================== END: .bmad-core/tasks/create-doc.md ====================
 
 ==================== START: .bmad-core/tasks/execute-checklist.md ====================
+<!-- Powered by BMAD™ Core -->
 # Checklist Validation Task
 
 This task provides instructions for validating documentation against checklists. The agent MUST follow these instructions to ensure thorough and systematic validation of documents.
@@ -282,6 +284,7 @@ The LLM will:
 ==================== END: .bmad-core/tasks/execute-checklist.md ====================
 
 ==================== START: .bmad-core/tasks/generate-ai-frontend-prompt.md ====================
+<!-- Powered by BMAD™ Core -->
 # Create AI Frontend Prompt Task
 
 ## Purpose
@@ -336,6 +339,7 @@ You will now synthesize the inputs and the above principles into a final, compre
 ==================== END: .bmad-core/tasks/generate-ai-frontend-prompt.md ====================
 
 ==================== START: .bmad-core/templates/front-end-spec-tmpl.yaml ====================
+# <!-- Powered by BMAD™ Core -->
 template:
   id: frontend-spec-template-v2
   name: UI/UX Specification
@@ -688,6 +692,7 @@ sections:
 ==================== END: .bmad-core/templates/front-end-spec-tmpl.yaml ====================
 
 ==================== START: .bmad-core/data/technical-preferences.md ====================
+<!-- Powered by BMAD™ Core -->
 # User-Defined Preferred Patterns and Preferences
 
 None Listed