feat: add manual deposit system, implement Bank model, remove Docker configs, and initialize comprehensive Laravel best practice documentation for AI agents.

database/migrations/2026_05_14_000001_add_manual_deposit_fields.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration {
+    public function up(): void
+    {
+        Schema::table('transactions', function (Blueprint $table) {
+            $table->string('type')->default('vnpay')->after('status')
+                ->comment('vnpay: qua cổng thanh toán, manual: chuyển khoản thủ công');
+        });
+
+        Schema::table('customers', function (Blueprint $table) {
+            $table->unsignedBigInteger('total_pending')->default(0)->after('total')
+                ->comment('Tổng tiền chờ admin duyệt (manual deposit)');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('transactions', function (Blueprint $table) {
+            $table->dropColumn('type');
+        });
+
+        Schema::table('customers', function (Blueprint $table) {
+            $table->dropColumn('total_pending');
+        });
+    }
+};

database/migrations/2026_05_14_000002_add_proof_image_to_transactions.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration {
+    public function up(): void
+    {
+        Schema::table('transactions', function (Blueprint $table) {
+            $table->string('proof_image')->nullable()->after('type')
+                ->comment('Đường dẫn ảnh chứng từ chuyển khoản do khách tải lên');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('transactions', function (Blueprint $table) {
+            $table->dropColumn('proof_image');
+        });
+    }
+};

database/migrations/2026_05_14_000003_create_banks_table.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration {
+    public function up(): void
+    {
+        Schema::create('banks', function (Blueprint $table) {
+            $table->id();
+            $table->string('bank_code', 20)->comment('Mã ngân hàng VietQR (VD: MB, VCB, TCB)');
+            $table->string('bank_name', 100)->comment('Tên ngân hàng hiển thị');
+            $table->string('account_no', 50)->comment('Số tài khoản thụ hưởng');
+            $table->string('account_name', 200)->comment('Tên chủ tài khoản');
+            $table->boolean('is_active')->default(true);
+            $table->unsignedSmallInteger('sort_order')->default(0);
+            $table->timestamps();
+            $table->softDeletes();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('banks');
+    }
+};