fix(chat): 解决token传输、本地文件存储顺序、读取的问题

src/utils/fileStore.ts

@@ -1,4 +1,4 @@
-import { createHash } from "node:crypto";
+import { createHash, randomUUID } from "node:crypto";
 import { mkdir, readFile, readdir, rename, rm, stat, writeFile } from "node:fs/promises";
 import { basename, dirname, join, relative } from "node:path";
 
@@ -13,9 +13,14 @@ export const ensureDirectory = async (path: string) => {
 
 export const atomicWriteFile = async (path: string, content: string) => {
   await ensureDirectory(dirname(path));
-  const tempPath = `${path}.${process.pid}.${Date.now().toString(36)}.tmp`;
-  await writeFile(tempPath, content, "utf8");
-  await rename(tempPath, path);
+  const tempPath = `${path}.${process.pid}.${Date.now().toString(36)}.${randomUUID()}.tmp`;
+  try {
+    await writeFile(tempPath, content, "utf8");
+    await rename(tempPath, path);
+  } catch (error) {
+    await removeFileIfExists(tempPath);
+    throw error;
+  }
 };
 
 type HistoricalWriteOptions = {