fix: clamp expand height to minHeight and resolve text through switch nodes

BaseNode: the settings expand branch now clamps the computed height to
minHeight, matching the collapse and ResizeObserver branches.

connectedInputs: resolveTextSourcesThroughRouters now recurses through
switch nodes (same as routers) so upstream text sources are not missed.

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

src/components/nodes/BaseNode.tsx

@@ -150,8 +150,9 @@ export function BaseNode({
                 : 0;
               const heightToAdd = finalHeight - savedPanelHeight;
               const currentHeight = getNodeDimension(node, "height");
+              const newHeight = Math.max(minHeight, currentHeight + heightToAdd);
               return {
-                ...applyNodeDimensions(node, getNodeDimension(node, "width"), currentHeight + heightToAdd),
+                ...applyNodeDimensions(node, getNodeDimension(node, "width"), newHeight),
                 data: { ...node.data, _settingsPanelHeight: finalHeight },
               };
             })

src/store/utils/connectedInputs.ts

@@ -138,7 +138,7 @@ export function resolveTextSourcesThroughRouters(
     if (seen.has(node.id)) continue;
     seen.add(node.id);
 
-    if (node.type === "router") {
+    if (node.type === "router" || node.type === "switch") {
       const upstreamNodes = edges
         .filter((e) => e.target === node.id && e.targetHandle === "text")
         .map((e) => allNodes.find((n) => n.id === e.source))