diff --git a/packages/web/src/components/ui/ContextMenuRenderer.tsx b/packages/web/src/components/ui/ContextMenuRenderer.tsx
index c3980a72..cc7b7123 100644
--- a/packages/web/src/components/ui/ContextMenuRenderer.tsx
+++ b/packages/web/src/components/ui/ContextMenuRenderer.tsx
@@ -550,10 +550,10 @@ function useGlobalLongPress(isMobile: boolean) {
     };
 
     const onTouchStart = (e: TouchEvent) => {
-      const target = e.target as HTMLElement;
-      if (target.closest('[data-context-menu]')) {
-        e.preventDefault();
-      }
+      // NOTE: Do NOT call e.preventDefault() here — it kills the synthesized
+      // click event on mobile (touchstart → touchend → click chain).
+      // Text selection prevention is handled by CSS user-select: none on
+      // [data-context-menu] elements (see globals.css).
       if (e.touches.length !== 1) { cancel(); return; }
       const touch = e.touches[0]!;
       originX = touch.clientX;
@@ -604,7 +604,7 @@ function useGlobalLongPress(isMobile: boolean) {
       }
     };
 
-    document.addEventListener('touchstart', onTouchStart, { passive: false });
+    document.addEventListener('touchstart', onTouchStart, { passive: true });
     document.addEventListener('touchmove', onTouchMove, { passive: true });
     document.addEventListener('touchend', onTouchEnd, { passive: true });
     document.addEventListener('touchcancel', onTouchEnd, { passive: true });