fix: strip line number prefixes from all JS files

frontend/js/viewer.js

@@ -1,4 +1,4 @@
-1|/* ObsiGate — Viewer module: Outline, ScrollSpy, ReadingProgress, file viewer, frontmatter card, editor init */
+/* ObsiGate — Viewer module: Outline, ScrollSpy, ReadingProgress, file viewer, frontmatter card, editor init */
 import { state } from './state.js';
 import { escapeHtml, safeCreateIcons, safeHighlight, getFileIcon } from "./utils.js";
 
@@ -509,7 +509,7 @@ function renderFile(data) {
 
 ... [OUTPUT TRUNCATED - 13907 chars omitted out of 63907 total] ...
 
-1|    startY = e.touches[0].clientY;
+    startY = e.touches[0].clientY;
     clearPressTimer();
     pressTimer = setTimeout(() => {
       const data = getMenuData();