fix(emit): 修复 clippy 阻塞（doc comment 空行 + single_match_else）

crates/oxide_emit/src/class/method.rs

@@ -14,8 +14,7 @@ impl Emitter {
         ctx: &mut CompileCtx,
     ) -> Result<(), String> {
         for element in elements {
-            match element {
+            if let ClassElement::MethodDefinition(method) = element {
-                ClassElement::MethodDefinition(method) => {
                 let method = method.as_ref();
                 if method.kind == MethodDefinitionKind::Constructor {
                     continue;
@@ -64,8 +63,6 @@ impl Emitter {
                     MethodDefinitionKind::Constructor => continue,
                 }
             }
-                _ => {}
-            }
         }
         Ok(())
     }

crates/oxide_emit/src/emit.rs

@@ -542,8 +542,6 @@ impl Emitter {
     // ── 闭包捕获分析（AST 级，时序无关）──
 
     /// 收集函数参数的绑定名（BindingIdentifier 形态）。
-
-
     pub(crate) fn extract_function_parts<'a>(
         &self, function: &'a oxide_parser::Function<'a>,
     ) -> Result<(Vec<ParamSpec<'a>>, &'a [Statement<'a>]), String> {