feat: 解决python虚拟环境问题

backend/src/tasks/service.rs

@@ -7,6 +7,7 @@ use croner::Cron;
 use sqlx::SqlitePool;
 use url::Url;
 
+use crate::python_env::validate_configured_venv;
 use crate::{error::ApiResult, tasks::model::*};
 
 use super::repository::{self, ListFilters};
@@ -182,12 +183,22 @@ fn validate_action(action: &TaskAction) -> ApiResult<()> {
     match action {
         TaskAction::Script {
             working_dir,
+            venv,
             interpreter,
             script,
             args,
             env,
         } => {
             validate_required("action.working_dir", working_dir)?;
+            if let Some(venv) = venv {
+                validate_required("action.venv", venv)?;
+                validate_configured_venv(working_dir, venv).map_err(|error| {
+                    crate::error::ApiError::validation(
+                        "action.venv",
+                        format!("虚拟环境无效: {error}"),
+                    )
+                })?;
+            }
             validate_required("action.interpreter", interpreter)?;
             validate_required("action.script", script)?;
             validate_args(args)?;
@@ -319,6 +330,7 @@ mod tests {
     fn script_action() -> TaskAction {
         TaskAction::Script {
             working_dir: "D:\\Projects\\sync".to_owned(),
+            venv: None,
             interpreter: "python.exe".to_owned(),
             script: "main.py".to_owned(),
             args: vec!["--mode".to_owned(), "full".to_owned()],
@@ -358,6 +370,7 @@ mod tests {
     fn rejects_empty_script_path() {
         let action = TaskAction::Script {
             working_dir: "D:\\Projects\\sync".to_owned(),
+            venv: None,
             interpreter: "python.exe".to_owned(),
             script: "  ".to_owned(),
             args: Vec::new(),