Retry node-selection scroll until the cursor is on screen

src/lib/NodeArrayProperty.svelte

@@ -102,4 +102,23 @@
 		min-width: 24px;
 		cursor: pointer;
 	}
+
+	/* Reserve room at the scroll edges so the browser's caret-follow scroll
+	   (when typing at the end of an overflowing node) can't pin the caret
+	   flush against the array's clip edge. Without this padding, scrollLeft
+	   stops just short of `scrollWidth - clientWidth - EDGE_TOLERANCE_PX`,
+	   leaving `edge_map.last` false; the trailing gap never gains
+	   `.positioned`, and the user sees the caret at the edge with no gap to
+	   click. The default is 2 × edge-gap (≈ enough for the gap plus a
+	   click margin); override per-array via the custom properties. */
+	:global([data-type="node_array"]) {
+		scroll-padding-inline: var(
+			--node-caret-scroll-padding-inline,
+			calc(var(--node-caret-edge-gap, 24px) * 2)
+		);
+		scroll-padding-block: var(
+			--node-caret-scroll-padding-block,
+			calc(var(--node-caret-edge-gap, 24px) * 2)
+		);
+	}
 </style>

src/lib/NodeGapMarkers.svelte

@@ -94,10 +94,14 @@
 		if (sorted[0] === 0 && edge_state?.first === true) {
 			add_offset(0);
 		}
-		// Mid gaps: between consecutive visible nodes. The gap at offset N
-		// sits between node N-1 and node N — emit when both are visible.
-		for (let i = 0; i < sorted.length - 1; i++) {
-			if (sorted[i + 1] === sorted[i] + 1) add_offset(sorted[i + 1]);
+		// Mid gaps: anchor to the previous node. Emit a marker whenever the
+		// prev flank is visible, even if next falls outside the overscan —
+		// mirrors the NodeGap gate in node_visibility.svelte.js. Wrap/grid
+		// layouts whose row height exceeds the overscan (e.g. tetris with
+		// tall cells) would otherwise lose every between-row marker even
+		// while the user can see and click the underlying NodeGap.
+		for (const i of sorted) {
+			if (i + 1 > 0 && i + 1 < count) add_offset(i + 1);
 		}
 		// Edge gap-after.last: same gate as gap-before but on the trailing edge.
 		if (sorted[sorted.length - 1] === count - 1 && edge_state?.last === true) {