feat: 解决python虚拟环境问题

frontend/src/components/TaskEditorModal.tsx

@@ -328,6 +328,16 @@ export function TaskEditorModal({
                   />
                 </Field>
               </div>
+              <Field
+                label="虚拟环境目录 (可选)"
+                hint="留空时自动从工作目录及上级目录探测 .venv、venv、env"
+              >
+                <input
+                  {...register('script.venv')}
+                  className="field-input mono"
+                  placeholder="例如：.venv"
+                />
+              </Field>
               <Field
                 label="脚本文件或相对路径"
                 error={errors.script?.script?.message}
@@ -402,6 +412,11 @@ export function TaskEditorModal({
                   <span>Windows 原生环境</span>
                 </div>
                 <div className="cli-preview-body">
+                  {scriptPreview.venv.trim() ? (
+                    <div className="cli-line-env">
+                      set VIRTUAL_ENV={scriptPreview.venv.trim()}
+                    </div>
+                  ) : null}
                   {scriptPreview.env
                     .filter((item) => item.key.trim())
                     .map((item, index) => (
@@ -416,7 +431,7 @@ export function TaskEditorModal({
                       </div>
                     ))}
                   <div className="cli-line-cmd">
-                    {scriptPreview.interpreter.trim() || 'python.exe'}{' '}
+                    {formatInterpreterPreview(scriptPreview)}{' '}
                     {scriptPreview.script.trim() || 'main.py'}
                     {formatArgumentPreview(scriptPreview.args)}
                   </div>
@@ -598,6 +613,15 @@ function formatArgumentPreview(argumentsList: KeyValueFormValue[]): string {
   return values.length ? ` ${values.join(' ')}` : ''
 }
 
+function formatInterpreterPreview(
+  script: TaskFormValues['script'],
+): string {
+  if (script.venv.trim()) {
+    return `${script.venv.trim().replace(/[\\/]+$/, '')}\\Scripts\\python.exe`
+  }
+  return script.interpreter.trim() || 'python.exe'
+}
+
 function isSensitiveName(name: string): boolean {
   const normalized = name.toUpperCase()
   return [