chore(auth): allow six-byte internal passwords

README.md

@@ -78,10 +78,10 @@ fixture，默认 APK 不携带真实订单资料。
 Set-Location backend-api
 $env:GOTOOLCHAIN = "local"
 go run ./cmd/migrate up
-$env:CMROUBAO_AUTH_PASSWORD = "至少 12 个 UTF-8 字节"
+$env:CMROUBAO_AUTH_PASSWORD = "至少 6 个 UTF-8 字节"
 go run ./cmd/authctl create-user ADMIN admin
 Remove-Item Env:CMROUBAO_AUTH_PASSWORD
-$env:CMROUBAO_AUTH_PASSWORD = "采购员独立强密码，至少 12 个 UTF-8 字节"
+$env:CMROUBAO_AUTH_PASSWORD = "采购员独立强密码，至少 6 个 UTF-8 字节"
 go run ./cmd/authctl create-user BUYER buyer01
 Remove-Item Env:CMROUBAO_AUTH_PASSWORD
 go run ./cmd/authctl create-device buyer-phone-01