新增银行功能：存取金币、流水记录、PC/手机端双入口；迁移 bank_jjb 字段和 bank_logs 表

routes/web.php

@@ -294,6 +294,11 @@ Route::middleware(['chat.auth'])->group(function () {
     Route::post('/shop/buy', [\App\Http\Controllers\ShopController::class, 'buy'])->name('shop.buy');
     Route::post('/shop/rename', [\App\Http\Controllers\ShopController::class, 'rename'])->name('shop.rename');
 
+    // ---- 银行（存取金币）----
+    Route::get('/bank', [\App\Http\Controllers\BankController::class, 'info'])->name('bank.info');
+    Route::post('/bank/deposit', [\App\Http\Controllers\BankController::class, 'deposit'])->name('bank.deposit');
+    Route::post('/bank/withdraw', [\App\Http\Controllers\BankController::class, 'withdraw'])->name('bank.withdraw');
+
     // ---- 开发日志（独立前台页面 /changelog）----
     Route::get('/changelog', [ChangelogController::class, 'index'])->name('changelog.index');
     // 懒加载接口：scroll 到底追加更多日志