修复-1 被替换的问题

web/read_only_prompt.mjs

@@ -0,0 +1,61 @@
+function getLink(graph, linkId) {
+  const links = graph?.links;
+  if (!links || linkId == null) return null;
+  return typeof links.get === "function" ? links.get(linkId) : links[linkId];
+}
+
+function collectUpstreamNodes(graph, targetNode) {
+  if (!targetNode) return new Set(graph?._nodes || []);
+
+  const found = new Set([targetNode]);
+  const pending = [targetNode];
+  while (pending.length) {
+    const current = pending.pop();
+    for (const input of current?.inputs || []) {
+      const link = getLink(graph, input?.link);
+      if (!link) continue;
+      const origin = graph?.getNodeById?.(link.origin_id);
+      if (!origin || found.has(origin)) continue;
+      found.add(origin);
+      pending.push(origin);
+    }
+  }
+  return found;
+}
+
+function safeWidgetValue(value) {
+  if (value == null || ["string", "number", "boolean"].includes(typeof value)) {
+    return value;
+  }
+  if (typeof value === "bigint") return String(value);
+  if (Array.isArray(value)) {
+    const result = value.map(safeWidgetValue);
+    return result.some((item) => item === undefined) ? undefined : result;
+  }
+  return undefined;
+}
+
+/**
+ * Build only the metadata subset needed by SmartSave's path preview.
+ * Reading widget.value directly is intentional: serializeValue and queue hooks
+ * may randomize seeds, upload files, or mutate third-party node state.
+ */
+export function buildReadOnlyPrompt(graph, targetNode = null) {
+  const included = collectUpstreamNodes(graph, targetNode);
+  const prompt = {};
+
+  for (const node of graph?._nodes || []) {
+    if (!included.has(node)) continue;
+    const inputs = {};
+    for (const widget of node?.widgets || []) {
+      if (!widget?.name || widget?.options?.serialize === false) continue;
+      const value = safeWidgetValue(widget.value);
+      if (value !== undefined) inputs[widget.name] = value;
+    }
+    prompt[String(node.id)] = {
+      class_type: node.comfyClass || node.type || "",
+      inputs,
+    };
+  }
+  return prompt;
+}

web/smart_save.js

@@ -1,5 +1,6 @@
 import { app } from "../../scripts/app.js";
 import { api } from "../../scripts/api.js";
+import { buildReadOnlyPrompt } from "./read_only_prompt.mjs";
 
 const NODE_NAME = "SmartSaveImage";
 const CSS_HREF = "extensions/SmartSaveImage/smart_save.css";
@@ -289,9 +290,8 @@ function buildPanel(node) {
     statusLine.textContent = "正在计算…";
     statusLine.className = "ssi-status";
     try {
-      const graph = await app.graphToPrompt();
       const payload = {
-        prompt: graph?.output || {},
+        prompt: buildReadOnlyPrompt(app.graph, node),
         root_mode: widgetValue(node, "root_mode", "output"),
         custom_root: widgetValue(node, "custom_root", ""),
         folder_template: widgetValue(node, "folder_template", ""),