diff --git a/public/index.html b/public/index.html
index 1c7c4a4..4b80cd8 100644
--- a/public/index.html
+++ b/public/index.html
@@ -1433,7 +1433,12 @@
         // Soft cap to prevent unbounded growth in DOM and memory
         const MAX_OUTPUT_CHARS = 200000; // ~200KB of HTML per session
         if (session.output.length > MAX_OUTPUT_CHARS) {
-          const start = session.output.length - MAX_OUTPUT_CHARS;
+          let start = session.output.length - MAX_OUTPUT_CHARS;
+          // Find safe cut point - don't cut inside an HTML tag
+          const firstTagEnd = session.output.indexOf('>', start);
+          if (firstTagEnd !== -1 && firstTagEnd < start + 100) {
+            start = firstTagEnd + 1;
+          }
           session.output = session.output.slice(start);
           // Reset DOM to trimmed content and sync rendered length
           $output.innerHTML = session.output;