Guard DOT intake script — skip on non-DOT pages

Wraps entire script in element existence check to prevent running
on FCC pages where other step scripts crash from missing elements.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

site/src/components/intake/steps/DOTIntakeStep.astro

@@ -252,6 +252,11 @@
 </style>
 
 <script>
+  // Guard: only run on pages that have the DOT intake step
+  if (!document.querySelector('[data-slug="dot-intake"], [data-step="dot-intake"]')) {
+    // Not a DOT intake page — skip all initialization
+  } else {
+
   // Determine which sections to show based on services in the batch
   const DOT_SECTIONS: Record<string, string[]> = {
     "mcs150-update": ["dot-sec-operations","dot-sec-fleet","dot-sec-cargo","dot-sec-photo-id"],
@@ -416,4 +421,6 @@
     if (idPreview) idPreview.hidden = true;
     if (idBtn) idBtn.style.display = "flex";
   });
+
+  } // end guard
 </script>