fix(trait): 解决trait中self关键字引用问题

- 在trait中使用self时动态获取类名而不是固定为当前类
- 添加对trait定义的检测逻辑
- 确保trait中的常量访问正确解析
- 修复了method conflict测试用例
- 添加了traits测试文件验证功能正确性

src/Php/CompilerBase.php

@@ -4271,8 +4271,13 @@ class CompilerBase extends \PhpAot\Core\Translator
         $class = $this->parseIdentifier($expr->class);
         $self = false;
         if ($class === 'self' or $class === 'this_') {
-            $self = true;
-            $class = $this->class;
+            // Trait 读取常量，必须动态获取类名
+            if ($this->classDef->trait) {
+                $class = 'static';
+            } else {
+                $self = true;
+                $class = $this->class;
+            }
         }
 
         $const = $this->escapeString($this->parseIdentifier($expr->name));

src/Php/Translator.php

@@ -548,6 +548,7 @@ zend_module_entry {$moduleName}_module_entry = {
     STANDARD_MODULE_PROPERTIES,
 };
 CODE;
+        $code .= PHP_EOL . PHP_EOL;
 
         if ($this->buildMode === 'ext') {
             $code .= "ZEND_GET_MODULE({$moduleName});\n";

tests/aot/trait/008.phpt

@@ -0,0 +1,34 @@
+--TEST--
+Method conflict in traits
+--FILE--
+<?php
+trait THello1
+{
+    public function hello()
+    {
+        var_dump(self::class);
+        var_dump($this->prop);
+        var_dump(self::HELLO);
+        var_dump(self::$staticProp);
+    }
+}
+
+class TraitsTest
+{
+    use THello1;
+    protected string $prop = 'Hello 1';
+    const HELLO = 'Hello 2';
+    static int $staticProp = 2025;
+}
+
+function main()
+{
+    $o = new TraitsTest;
+    $o->hello();
+}
+?>
+--EXPECT--
+string(10) "TraitsTest"
+string(7) "Hello 1"
+string(7) "Hello 2"
+int(2025)