refactor(web): share creds json reader

src/web/auth-store.ts

@@ -33,7 +33,7 @@ export function hasWebCredsSync(authDir: string): boolean {
   }
 }
 
-function readCredsJsonRaw(filePath: string): string | null {
+export function readCredsJsonRaw(filePath: string): string | null {
   try {
     if (!fsSync.existsSync(filePath)) {
       return null;

src/web/session.ts

@@ -15,6 +15,7 @@ import { ensureDir, resolveUserPath } from "../utils.js";
 import { VERSION } from "../version.js";
 import {
   maybeRestoreCredsFromBackup,
+  readCredsJsonRaw,
   resolveDefaultWebAuthDir,
   resolveWebCredsBackupPath,
   resolveWebCredsPath,
@@ -43,21 +44,6 @@ function enqueueSaveCreds(
     });
 }
 
-function readCredsJsonRaw(filePath: string): string | null {
-  try {
-    if (!fsSync.existsSync(filePath)) {
-      return null;
-    }
-    const stats = fsSync.statSync(filePath);
-    if (!stats.isFile() || stats.size <= 1) {
-      return null;
-    }
-    return fsSync.readFileSync(filePath, "utf-8");
-  } catch {
-    return null;
-  }
-}
-
 async function safeSaveCreds(
   authDir: string,
   saveCreds: () => Promise<void> | void,