Fix dashboard overflow: clip at container boundary, min-width: 0 on grid children

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/src/views/HomeView.vue

@@ -488,6 +488,7 @@ function clearDashboardResponse() {
   max-width: 1400px;
   margin: 2rem auto;
   padding: 0 1rem;
+  overflow-x: clip; /* hard boundary — nothing escapes the container */
 }
 
 /* Chat */
@@ -601,9 +602,11 @@ function clearDashboardResponse() {
   gap: 2rem;
   align-items: start;
 }
-/* Prevent grid columns from overflowing their tracks */
+/* Prevent grid children from overflowing their tracks */
 .col-tasks,
-.col-notes {
+.col-notes,
+.projects-strip-inline > *,
+.notes-mini-grid > * {
   min-width: 0;
 }