feat: 添加 Laravel Sanctum 支持，增强管理员 API 鉴权，更新相关中间件与路由配置

routes/api.php

@@ -1,5 +1,7 @@
 <?php
 
+use App\Http\Controllers\Api\V1\Admin\Auth\CaptchaController;
+use App\Http\Controllers\Api\V1\Admin\Auth\LoginController;
 use App\Http\Controllers\Api\V1\Admin\PingController as AdminPingController;
 use App\Http\Controllers\Api\V1\HealthController;
 use App\Http\Controllers\Api\V1\Player\MeController;
@@ -38,11 +40,20 @@ Route::prefix('v1')->group(function (): void {
             });
     });
 
-    Route::middleware('lottery.admin')
-        ->prefix('admin')
+    Route::prefix('admin')
         ->name('api.v1.admin.')
         ->group(function (): void {
-            // 名称：后台接口连通性探测
-            Route::get('ping', AdminPingController::class)->name('ping');
+            Route::middleware('throttle:admin-auth-captcha')
+                ->get('auth/captcha', CaptchaController::class)
+                ->name('auth.captcha');
+
+            Route::middleware('throttle:admin-auth-login')
+                ->post('auth/login', LoginController::class)
+                ->name('auth.login');
+
+            Route::middleware(['auth:sanctum', 'lottery.admin'])->group(function (): void {
+                // 名称：后台接口连通性探测（需 Bearer Token）
+                Route::get('ping', AdminPingController::class)->name('ping');
+            });
         });
 });