feat: 增强验证器功能，支持自定义错误消息和规则组合

- 在ValidationAspect中添加自定义错误消息的支持，允许用户定义验证失败时的反馈信息
- 更新RuleParser，支持规则组合功能，允许多个规则同时应用于同一字段
- 优化相关测试用例，确保新功能的正确性和稳定性

Author: lphkxd

.github/workflows/tests.yml

@@ -0,0 +1,68 @@
+name: Tests
+
+on:
+  push:
+    branches: [master, main]
+  pull_request:
+    branches: [master, main]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    
+    strategy:
+      fail-fast: false
+      matrix:
+        php: ['8.1', '8.2', '8.3']
+    
+    name: PHP ${{ matrix.php }}
+    
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          extensions: swoole, json, mbstring, pcntl
+          coverage: none
+          tools: composer:v2
+      
+      - name: Get Composer cache directory
+        id: composer-cache
+        run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
+      
+      - name: Cache Composer dependencies
+        uses: actions/cache@v4
+        with:
+          path: ${{ steps.composer-cache.outputs.dir }}
+          key: ${{ runner.os }}-php-${{ matrix.php }}-composer-${{ hashFiles('**/composer.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-php-${{ matrix.php }}-composer-
+      
+      - name: Install dependencies
+        run: composer install --prefer-dist --no-progress --no-interaction
+      
+      - name: Run tests
+        run: vendor/bin/phpunit --colors=always
+
+  code-style:
+    runs-on: ubuntu-latest
+    name: Code Style
+    
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.2'
+          tools: composer:v2
+      
+      - name: Install dependencies
+        run: composer install --prefer-dist --no-progress --no-interaction
+      
+      - name: Check syntax
+        run: find src -name "*.php" -exec php -l {} \; | grep -v "No syntax errors"