✨ feat(native-window): 完善原生独立窗口与跨屏拖拽

- 支持全部工作台标签与 AI 对话在多显示器中原生独立展示
- 修复拖拽指针捕获，恢复关闭、右键菜单和跨窗口释放识别
- 拆分子窗启动入口并按需加载语言与工作台内容
- 内容与 Monaco 完成可见绘制后再提交迁移，消除白屏和加载闪烁
- 加固结果编辑、宿主同步及关闭、超时和焦点竞态

internal/nativewindow/process.go

@@ -3,8 +3,15 @@ package nativewindow
 import (
 	"os"
 	"os/exec"
+	"strings"
 )
 
+var detachedChildFilteredEnvironment = map[string]struct{}{
+	"assetdir":             {},
+	"devserver":            {},
+	"frontenddevserverurl": {},
+}
+
 type processSpec struct {
 	Executable string
 	Env        []string
@@ -23,7 +30,7 @@ type processStarter interface {
 type execProcessStarter struct{}
 
 func (execProcessStarter) Start(spec processSpec) (childProcess, error) {
-	command := exec.Command(spec.Executable, DetachedWindowArgument)
+	command := exec.Command(spec.Executable, detachedWindowProcessArgument())
 	command.Env = spec.Env
 	command.Stdout = os.Stdout
 	command.Stderr = os.Stderr
@@ -33,6 +40,22 @@ func (execProcessStarter) Start(spec processSpec) (childProcess, error) {
 	return &execChildProcess{command: command}, nil
 }
 
+func detachedWindowProcessArgument() string {
+	return strings.TrimLeft(DetachedWindowArgument, "-")
+}
+
+func filterDetachedChildEnvironment(environment []string) []string {
+	filtered := make([]string, 0, len(environment))
+	for _, item := range environment {
+		name, _, _ := strings.Cut(item, "=")
+		if _, blocked := detachedChildFilteredEnvironment[strings.ToLower(strings.TrimSpace(name))]; blocked {
+			continue
+		}
+		filtered = append(filtered, item)
+	}
+	return filtered
+}
+
 type execChildProcess struct {
 	command *exec.Cmd
 }