diff --git a/src/lib/chat/editOperations.test.ts b/src/lib/chat/editOperations.test.ts
index 7cabde19..2fd7d697 100644
--- a/src/lib/chat/editOperations.test.ts
+++ b/src/lib/chat/editOperations.test.ts
@@ -381,6 +381,49 @@ describe("applyEditOperations", () => {
       expect(updated!.data).toHaveProperty("status", "idle");
     });
 
+    it("updates node position from top-level position without requiring data changes", () => {
+      const ops: EditOperation[] = [
+        {
+          type: "updateNode",
+          nodeId: "prompt-1",
+          position: { x: 420, y: 240 },
+          data: {},
+        },
+      ];
+
+      const result = applyEditOperations(ops, {
+        nodes: baseNodes,
+        edges: baseEdges,
+      });
+
+      const updated = result.nodes.find((n) => n.id === "prompt-1");
+      expect(updated!.position).toEqual({ x: 420, y: 240 });
+      expect(updated!.data).toHaveProperty("prompt", "sunset photo");
+      expect(result.applied).toBe(1);
+      expect(result.skipped).toEqual([]);
+    });
+
+    it("updates node position from data.position for backwards compatibility", () => {
+      const ops: EditOperation[] = [
+        {
+          type: "updateNode",
+          nodeId: "prompt-1",
+          data: { position: { x: 320, y: 180 } },
+        },
+      ];
+
+      const result = applyEditOperations(ops, {
+        nodes: baseNodes,
+        edges: baseEdges,
+      });
+
+      const updated = result.nodes.find((n) => n.id === "prompt-1");
+      expect(updated!.position).toEqual({ x: 320, y: 180 });
+      expect(updated!.data).not.toHaveProperty("position");
+      expect(result.applied).toBe(1);
+      expect(result.skipped).toEqual([]);
+    });
+
     it("skips with message when nodeId not found", () => {
       const ops: EditOperation[] = [
         {
diff --git a/src/lib/chat/editOperations.ts b/src/lib/chat/editOperations.ts
index 27b4635b..64aa40cc 100644
--- a/src/lib/chat/editOperations.ts
+++ b/src/lib/chat/editOperations.ts
@@ -23,7 +23,12 @@ export type EditOperation =
       data?: Record<string, unknown>;
     }
   | { type: "removeNode"; nodeId: string }
-  | { type: "updateNode"; nodeId: string; data: Record<string, unknown> }
+  | {
+      type: "updateNode";
+      nodeId: string;
+      position?: { x: number; y: number };
+      data: Record<string, unknown>;
+    }
   | {
       type: "addEdge";
       source: string;
@@ -137,19 +142,27 @@ export function applyEditOperations(
         }
 
         const node = nodes[nodeIndex];
+        const rawPosition =
+          operation.position ??
+          (operation.data.position as { x: number; y: number } | undefined);
+        const hasValidPosition =
+          rawPosition &&
+          Number.isFinite(rawPosition.x) &&
+          Number.isFinite(rawPosition.y);
         const safeData = sanitizeChatNodeData(node.type, operation.data);
-        if (Object.keys(safeData).length === 0) {
+        if (Object.keys(safeData).length === 0 && !hasValidPosition) {
           skipped.push(
             `updateNode: no editable fields provided for node "${operation.nodeId}"`
           );
           break;
         }
-
+        console.log("Updating node", operation.nodeId, "with data", safeData);
         // Update node data immutably
         nodes = nodes.map((n) =>
           n.id === operation.nodeId
             ? {
                 ...n,
+                position: hasValidPosition ? rawPosition : n.position,
                 data: {
                   ...n.data,
                   ...safeData,
diff --git a/src/lib/chat/tools.ts b/src/lib/chat/tools.ts
index e068a6bc..ecdfd6af 100644
--- a/src/lib/chat/tools.ts
+++ b/src/lib/chat/tools.ts
@@ -206,6 +206,10 @@ export function createChatTools(nodeIds: string[]) {
                 .record(z.string(), z.unknown())
                 .optional()
                 .describe("Node data to set/merge for addNode/updateNode"),
+              position: z
+                .object({ x: z.number(), y: z.number() })
+                .optional()
+                .describe("Canvas position for addNode/updateNode"),
               source: z
                 .string()
                 .optional()