AuthClientInitFailed带构建失败原始错误

- 错误枚举：authClientInitFailed 从 unit 变体改成带 detail 的载荷变体，导出 AuthClientInitFailed 绑定
- auth_session：build_client 失败时把 reqwest 原始错误放进 detail，不再丢弃
- carrier 用例按带载荷变体 as 取 detail
- 前端维持固定文案，不把 detail 贴到界面上

apps/ai-game-creator-shell/src-tauri/src/auth_error.rs

@@ -61,8 +61,8 @@ pub(crate) enum ClientAuthError {
     ClientSessionPersistFailed(ClientSessionPersistFailed),
     /// 本机运行时会话安装 / 清理失败；`detail` 同上。
     RuntimeSessionInstallFailed(RuntimeSessionInstallFailed),
-    /// 认证网络客户端构建失败。
-    AuthClientInitFailed,
+    /// 认证网络客户端构建失败；`detail` 是原始错误。
+    AuthClientInitFailed(AuthClientInitFailed),
 }
 
 // ---- 可枚举的细分原因：类型化字段，不是字符串 ----
@@ -204,6 +204,14 @@ pub(crate) struct RuntimeSessionInstallFailed {
     pub(crate) detail: String,
 }
 
+/// 认证网络客户端构建失败的原始错误明细。
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, TS)]
+#[serde(rename_all = "camelCase")]
+#[ts(export, export_to = concat!(env!("CARGO_MANIFEST_DIR"), "/../src/services/generated/"))]
+pub(crate) struct AuthClientInitFailed {
+    pub(crate) detail: String,
+}
+
 impl ClientAuthError {
     /// 会话路由的 401/403 是「登录态失效」：调用方据此清会话、按未登录处理，
     /// 既不给用户报错，也不进错误报告池。
@@ -291,7 +299,9 @@ mod tests {
                 "runtimeSessionInstallFailed",
             ),
             (
-                ClientAuthError::AuthClientInitFailed,
+                ClientAuthError::AuthClientInitFailed(AuthClientInitFailed {
+                    detail: "x".to_string(),
+                }),
                 "authClientInitFailed",
             ),
         ];
@@ -364,6 +374,15 @@ mod tests {
         ))
         .expect("serialize auth error");
         assert_eq!(persist["detail"], "磁盘只读");
+
+        let init = serde_json::to_value(ClientAuthError::AuthClientInitFailed(
+            AuthClientInitFailed {
+                detail: "tls handshake failed".to_string(),
+            },
+        ))
+        .expect("serialize auth error");
+        assert_eq!(init["type"], "authClientInitFailed");
+        assert_eq!(init["detail"], "tls handshake failed");
     }
 
     #[test]

apps/ai-game-creator-shell/src-tauri/src/auth_session.rs

@@ -5,10 +5,10 @@
 //! origin 变化都会让旧身份的在途请求失败关闭；同一身份的凭据轮换不改变身份代次。
 
 use crate::auth_error::{
-    AuthNetworkFailure, AuthNetworkReason, AuthResponseInvalid, AuthResponseInvalidReason,
-    AuthServiceUnavailable, ClientAuthError, ClientSessionPersistFailed, PasswordLoginRejected,
-    PhoneCodeLoginRejected, RuntimeSessionInstallFailed, SendCodeRejected, ServerAddressReason,
-    ServerAddressRejected, UnexpectedRejection,
+    AuthClientInitFailed, AuthNetworkFailure, AuthNetworkReason, AuthResponseInvalid,
+    AuthResponseInvalidReason, AuthServiceUnavailable, ClientAuthError, ClientSessionPersistFailed,
+    PasswordLoginRejected, PhoneCodeLoginRejected, RuntimeSessionInstallFailed, SendCodeRejected,
+    ServerAddressReason, ServerAddressRejected, UnexpectedRejection,
 };
 use crate::http_client::agc_main_site_client_builder;
 use crate::platform_session::{current_platform_session, PlatformSessionSnapshot};
@@ -443,7 +443,11 @@ fn build_client() -> Result<reqwest::Client, ClientAuthError> {
         .connect_timeout(Duration::from_secs(10))
         .timeout(HTTP_TIMEOUT)
         .build()
-        .map_err(|_| ClientAuthError::AuthClientInitFailed)
+        .map_err(|error| {
+            ClientAuthError::AuthClientInitFailed(AuthClientInitFailed {
+                detail: error.to_string(),
+            })
+        })
 }
 
 fn network_error(error: &reqwest::Error) -> ClientAuthError {

apps/ai-game-creator-shell/src/services/generated/AuthClientInitFailed.ts

@@ -0,0 +1,6 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+
+/**
+ * 认证网络客户端构建失败的原始错误明细。
+ */
+export type AuthClientInitFailed = { detail: string };

apps/ai-game-creator-shell/src/services/generated/ClientAuthError.ts

@@ -1,4 +1,5 @@
 // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+import type { AuthClientInitFailed } from './AuthClientInitFailed';
 import type { AuthNetworkFailure } from './AuthNetworkFailure';
 import type { AuthResponseInvalid } from './AuthResponseInvalid';
 import type { AuthServiceUnavailable } from './AuthServiceUnavailable';
@@ -32,4 +33,4 @@ export type ClientAuthError =
   | ({ type: 'authResponseInvalid' } & AuthResponseInvalid)
   | ({ type: 'clientSessionPersistFailed' } & ClientSessionPersistFailed)
   | ({ type: 'runtimeSessionInstallFailed' } & RuntimeSessionInstallFailed)
-  | { type: 'authClientInitFailed' };
+  | ({ type: 'authClientInitFailed' } & AuthClientInitFailed);

apps/ai-game-creator-shell/tests/clientAuthErrorCarrier.test.ts

@@ -12,6 +12,7 @@ import { describe, expect, it, vi } from 'vitest';
 
 import { loginClientWithPassword } from '../src/services/clientAuth';
 import { ClientAuthErrorWrapper } from '../src/services/clientAuthErrorWrapper';
+import type { AuthClientInitFailed } from '../src/services/generated/AuthClientInitFailed';
 import type { AuthNetworkFailure } from '../src/services/generated/AuthNetworkFailure';
 import type { AuthResponseInvalid } from '../src/services/generated/AuthResponseInvalid';
 import type { AuthServiceUnavailable } from '../src/services/generated/AuthServiceUnavailable';
@@ -119,7 +120,7 @@ function variantMessage(error: ClientAuthError): string {
     case 'runtimeSessionInstallFailed':
       return (error as RuntimeSessionInstallFailed).detail;
     case 'authClientInitFailed':
-      return '网络客户端构建失败';
+      return (error as AuthClientInitFailed).detail;
     default: {
       expectNever(error);
       return '';