feat(serve): node name, LAN IP hints, and token URL auto-login

README.md

@@ -284,6 +284,8 @@ Already installed? Open **Settings → Check for Updates** to upgrade in-app.
 
    Then open `http://localhost:7070` in your local browser. Keep the SSH session running while you use HarnessKit.
 
+> <sub>**Tip:** Managing several remote nodes? Start each with `hk serve --name <label>` (e.g. `--name my-macbook`). The label shows in the sidebar and the browser tab title, so multiple tabs are easy to tell apart. Defaults to the machine hostname.</sub>
+
 <details>
 <summary><strong>Manual download</strong> — if you prefer not to use the install script, or your machine doesn't have <code>curl</code></summary>
 

README.zh-CN.md

@@ -284,6 +284,8 @@ HarnessKit Web UI running at http://127.0.0.1:7070
 
    然后在本地浏览器打开 `http://localhost:7070`。使用 HarnessKit 期间请保持该 SSH 会话开启。
 
+> <sub>**提示：** 管理多个远程节点时，用 `hk serve --name <标签>` 启动（如 `--name my-macbook`）。标签会显示在侧边栏和浏览器标签页标题里，多个 tab 一眼就能区分。默认取机器主机名。</sub>
+
 <details>
 <summary><strong>手动下载</strong> —— 如果你不想用安装脚本，或机器上没有 <code>curl</code></summary>
 

crates/hk-cli/src/main.rs

@@ -89,13 +89,18 @@ enum Commands {
         /// Access token (auto-generated for non-localhost binds if omitted)
         #[arg(long)]
         token: Option<String>,
+
+        /// Node label shown in the web UI (defaults to the machine hostname).
+        /// Useful when opening multiple tabs against different remote nodes.
+        #[arg(long)]
+        name: Option<String>,
     },
 }
 
 fn main() -> Result<()> {
     let cli = Cli::parse();
 
-    if let Commands::Serve { port, host, token } = cli.command {
+    if let Commands::Serve { port, host, token, name } = cli.command {
         let effective_token = if host != "127.0.0.1" {
             Some(token.unwrap_or_else(|| {
                 use rand::Rng;
@@ -111,6 +116,7 @@ fn main() -> Result<()> {
             port,
             host,
             token: effective_token,
+            name,
         }))?;
         return Ok(());
     }

crates/hk-web/Cargo.toml

@@ -20,6 +20,8 @@ rand = "0.9"
 tempfile = "3"
 mime_guess = "2"
 uuid.workspace = true
+gethostname = "1"
+local-ip-address = "0.6"
 
 [dev-dependencies]
 tokio = { version = "1", features = ["full", "test-util"] }

crates/hk-web/src/handlers/mod.rs

@@ -5,6 +5,7 @@ pub mod install;
 pub mod kits;
 pub mod marketplace;
 pub mod projects;
+pub mod server;
 pub mod settings;
 
 use hk_core::store::Store;

crates/hk-web/src/handlers/server.rs

@@ -0,0 +1,18 @@
+use axum::extract::State;
+use axum::Json;
+use serde::Serialize;
+
+use crate::state::WebState;
+
+/// Identity of the node serving this UI. Lets the frontend distinguish multiple
+/// browser tabs that each point at a different remote `hk serve` instance.
+#[derive(Serialize)]
+pub struct ServerInfo {
+    pub node_name: String,
+}
+
+pub async fn server_info(State(state): State<WebState>) -> Json<ServerInfo> {
+    Json(ServerInfo {
+        node_name: state.node_name.clone(),
+    })
+}