Add <%br= %> jqhtml syntax docs, class override detection, npm update

Document event handler placement and model fetch clarification

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

.env.dist

@@ -5,7 +5,7 @@ APP_DEBUG=true
 APP_URL=http://localhost
 
 # RSX Application Mode: development, debug, or production
-RSX_MODE=production
+RSX_MODE=development
 
 LOG_CHANNEL=stack
 LOG_DEPRECATIONS_CHANNEL=null