refactor: emit 冗余标志参数收敛为内部推导

crates/oxide_emit/src/class/emit.rs

@@ -48,7 +48,7 @@ impl Emitter {
                 None => {
                     let reg = ctx.alloc_reg();
                     ctx.push_scope_with_kind(ScopeKind::BlockScope);
-                    ctx.declare(name, reg, VariableDeclarationKind::Const, true)?;
+                    ctx.declare(name, reg, VariableDeclarationKind::Const)?;
                     pushed_scope = true;
                     reg
                 }

crates/oxide_emit/src/class/field.rs

@@ -35,7 +35,7 @@ impl Emitter {
                             let key_reg = if prop.computed {
                                 self.emit_class_array_key_reg(key_slot.unwrap_or(0), ctx)?
                             } else {
-                                self.emit_class_key_reg(&prop.key, false, ctx)?
+                                self.emit_class_key_reg(&prop.key, ctx)?
                             };
                             let value_reg = self.emit_field_value(prop.value.as_ref(), ctx)?;
                             ctx.inst(Inst::define_prop(

crates/oxide_emit/src/class/method.rs

@@ -39,7 +39,7 @@ impl Emitter {
                 let key_reg = if method.computed {
                     self.emit_class_array_key_reg(key_slot.unwrap_or(0), ctx)?
                 } else {
-                    self.emit_class_key_reg(&method.key, false, ctx)?
+                    self.emit_class_key_reg(&method.key, ctx)?
                 };
                 let method_name = if method.computed {
                     "<computed>".to_string()