diff --git a/src/core/graph/subgraph/migration/proxyWidgetMigration.ts b/src/core/graph/subgraph/migration/proxyWidgetMigration.ts
index f323a51320..338c43603f 100644
--- a/src/core/graph/subgraph/migration/proxyWidgetMigration.ts
+++ b/src/core/graph/subgraph/migration/proxyWidgetMigration.ts
@@ -50,6 +50,13 @@ function findSourceWidget(
         w.sourceWidgetName === sourceWidgetName
     )
     if (byDisambiguator) return byDisambiguator
+    // Disambiguator was provided but missed: only fall back to non-promoted
+    // widgets with the same name. Returning a sibling PromotedWidgetView
+    // bound to a different interior node would silently re-introduce the
+    // cross-binding bug the disambiguator exists to prevent.
+    return widgets.find(
+      (w) => !isPromotedWidgetView(w) && w.name === sourceWidgetName
+    )
   }
 
   return widgets.find((w) => w.name === sourceWidgetName)
diff --git a/src/core/graph/subgraph/preview/previewExposureChain.ts b/src/core/graph/subgraph/preview/previewExposureChain.ts
index 2157d4ceba..1562bc93cf 100644
--- a/src/core/graph/subgraph/preview/previewExposureChain.ts
+++ b/src/core/graph/subgraph/preview/previewExposureChain.ts
@@ -45,13 +45,13 @@ export function resolvePreviewExposureChain(
 
   const chainFromLastStep = (): ResolvedPreviewChain | undefined => {
     if (steps.length === 0) return undefined
-    const last = steps[steps.length - 1].exposure
+    const lastStep = steps[steps.length - 1]
     return {
       steps,
       leaf: {
-        rootGraphId: currentRootGraphId,
-        sourceNodeId: last.sourceNodeId,
-        sourcePreviewName: last.sourcePreviewName
+        rootGraphId: lastStep.rootGraphId,
+        sourceNodeId: lastStep.exposure.sourceNodeId,
+        sourcePreviewName: lastStep.exposure.sourcePreviewName
       }
     }
   }
diff --git a/src/core/graph/subgraph/promotedWidgetView.ts b/src/core/graph/subgraph/promotedWidgetView.ts
index 8a33bc1efa..579bcf2c88 100644
--- a/src/core/graph/subgraph/promotedWidgetView.ts
+++ b/src/core/graph/subgraph/promotedWidgetView.ts
@@ -449,7 +449,7 @@ class PromotedWidgetView implements IPromotedWidgetView {
       next = Math.floor(Math.random() * range) * step2 + safeMin
     }
     next = Math.min(Math.max(next, min), max)
-    this.value = next
+    this.hydrateHostValue(next)
   }
 
   private resolveAtHost():
diff --git a/src/core/graph/subgraph/promotionUtils.ts b/src/core/graph/subgraph/promotionUtils.ts
index eb3ffe2a92..d9120a612f 100644
--- a/src/core/graph/subgraph/promotionUtils.ts
+++ b/src/core/graph/subgraph/promotionUtils.ts
@@ -356,7 +356,18 @@ export function promoteWidget(
       continue
     }
     if ('getSlotFromWidget' in node) {
-      promoteValueWidgetViaSubgraphInput(parent, node as LGraphNode, widget)
+      const result = promoteValueWidgetViaSubgraphInput(
+        parent,
+        node as LGraphNode,
+        widget
+      )
+      if (!result.ok) {
+        Sentry.addBreadcrumb({
+          category: 'subgraph',
+          level: 'warning',
+          message: `Failed to promote widget "${source.sourceWidgetName}" on node ${node.id}: ${result.reason}`
+        })
+      }
     }
   }
   refreshPromotedWidgetRendering(parents)
@@ -571,7 +582,14 @@ export function promoteRecommendedWidgets(subgraphNode: SubgraphNode) {
     .filter(isRecommendedWidget)
     .filter(([, widget]) => !isPreviewPseudoWidget(widget))
   for (const [n, w] of filteredWidgets) {
-    promoteValueWidgetViaSubgraphInput(subgraphNode, n, w)
+    const result = promoteValueWidgetViaSubgraphInput(subgraphNode, n, w)
+    if (!result.ok) {
+      Sentry.addBreadcrumb({
+        category: 'subgraph',
+        level: 'warning',
+        message: `Failed to promote widget "${getWidgetName(w)}" on node ${n.id}: ${result.reason}`
+      })
+    }
   }
   subgraphNode.computeSize(subgraphNode.size)
 }
diff --git a/src/lib/litegraph/src/LGraphNode.ts b/src/lib/litegraph/src/LGraphNode.ts
index 989f2b7229..6b82ebaa3e 100644
--- a/src/lib/litegraph/src/LGraphNode.ts
+++ b/src/lib/litegraph/src/LGraphNode.ts
@@ -1023,13 +1023,16 @@ export class LGraphNode
     // @ts-expect-error Exceptional case: id is removed so that the graph can assign a new one on add.
     data.id = undefined
 
-    if (LiteGraph.use_uuids) data.id = LiteGraph.uuidv4()
+    // In UUID mode, configure() would overwrite the borrowed id with data.id;
+    // generate the fresh UUID up front and reapply it after hydration.
+    const clonedUuid = LiteGraph.use_uuids ? LiteGraph.uuidv4() : undefined
 
     // Subclasses' configure() (e.g. SubgraphNode) keys per-instance state
     // by id; borrow the source's id so that hydration targets the right slot
     // before graph.add reassigns.
     node.id = this.id
     node.configure(data)
+    if (clonedUuid !== undefined) node.id = clonedUuid
 
     return node
   }