fix(seq): prepend newly added proxies to first selector group

Changelog.md

@@ -29,6 +29,6 @@
 - 在 Linux NVIDIA 显卡环境下尝试禁用 WebKit DMABUF 渲染以规避潜在问题
 - Windows 下自启动改为计划任务实现
 - 改进托盘和窗口操作频率限制实现
-- 使用「编辑节点」添加节点时，自动将节点添加到第一个 `select` 类型的代理组末尾
+- 使用「编辑节点」添加节点时，自动将节点添加到第一个 `select` 类型的代理组的第一位
 
 </details>

src-tauri/src/enhance/seq.rs

@@ -100,17 +100,24 @@ pub fn use_seq(seq: SeqMap, mut config: Mapping, field: &str) -> Mapping {
                 });
 
                 if !appended_to_selector && !added_proxy_names.is_empty() && is_selector_group(group_map) {
-                    let mut seq = proxies_seq.unwrap_or_else(Sequence::new);
+                    let base_seq = proxies_seq.unwrap_or_else(Sequence::new);
-                    let mut existing = seq
+                    let mut seq = Sequence::new();
-                        .iter()
+                    let mut existing = HashSet::new();
-                        .filter_map(Value::as_str)
-                        .map(str::to_owned)
-                        .collect::<HashSet<String>>();
                     for name in &added_proxy_names {
                         if existing.insert(name.clone()) {
                             seq.push(Value::String(name.clone()));
                         }
                     }
+                    for value in base_seq {
+                        match &value {
+                            Value::String(name) => {
+                                if existing.insert(name.to_owned()) {
+                                    seq.push(value);
+                                }
+                            }
+                            _ => seq.push(value),
+                        }
+                    }
                     proxies_seq = Some(seq);
                     appended_to_selector = true;
                 }
@@ -270,7 +277,7 @@ proxy-groups:
             .as_sequence()
             .expect("group proxies should be a sequence");
         let names: Vec<&str> = group1_proxies.iter().filter_map(Value::as_str).collect();
-        assert_eq!(names, vec!["proxy1", "proxy3", "proxy4"]);
+        assert_eq!(names, vec!["proxy3", "proxy4", "proxy1"]);
 
         let group2_proxies = groups[1]
             .as_mapping()