feat(auth): add login subcommand mirroring bare auth

README.md

@@ -33,9 +33,11 @@ cp target/release/hotdata /usr/local/bin/hotdata
 
 ## Connect
 
-Run the following command to authenticate:
+Run either of the following (they are equivalent):
 
 ```sh
+hotdata auth login
+# or
 hotdata auth
 ```
 
@@ -60,7 +62,7 @@ API key priority (lowest to highest): config file → `HOTDATA_API_KEY` env var
 
 | Command | Subcommands | Description |
 | :-- | :-- | :-- |
-| `auth` | `status`, `logout` | Authenticate (run without subcommand to log in) |
+| `auth` | `login`, `status`, `logout` | `login` or bare `auth` opens browser login; `status` / `logout` manage the saved profile |
 | `workspaces` | `list`, `set` | Manage workspaces |
 | `connections` | `list`, `create`, `refresh`, `new` | Manage connections |
 | `tables` | `list` | List tables and columns |

skills/hotdata/SKILL.md

@@ -16,10 +16,10 @@ Or if installed on PATH: `hotdata <command> [args]`
 
 ## Authentication
 
-Run `hotdata auth` to authenticate via browser login. Config is stored in `~/.hotdata/config.yml`.
+Run **`hotdata auth login`** (or **`hotdata auth`** with no subcommand—same behavior) to authenticate via browser login. Config is stored in `~/.hotdata/config.yml`.
 
 API key resolution (lowest to highest priority):
-1. Config file (saved by `hotdata auth`)
+1. Config file (saved by `hotdata auth login` / `hotdata auth`)
 2. `HOTDATA_API_KEY` environment variable (or `.env` file)
 3. `--api-key <key>` flag (works on any command)
 
@@ -325,7 +325,8 @@ hotdata jobs <job_id> [--workspace-id <workspace_id>] [--output table|json|yaml]
 
 ### Auth
 ```
-hotdata auth                # Browser-based login
+hotdata auth login          # Browser-based login (same as: hotdata auth)
+hotdata auth                # Browser-based login (same as: hotdata auth login)
 hotdata auth status         # Check current auth status
 hotdata auth logout         # Remove saved auth for the default profile
 ```

src/api.rs

@@ -27,7 +27,7 @@ impl ApiClient {
         let api_key = match &profile_config.api_key {
             Some(key) if key != "PLACEHOLDER" => key.clone(),
             _ => {
-                eprintln!("error: not authenticated. Run 'hotdata auth' to log in.");
+                eprintln!("error: not authenticated. Run 'hotdata auth login' (or 'hotdata auth') to log in.");
                 std::process::exit(1);
             }
         };
@@ -294,7 +294,7 @@ fn format_fail_message(
 ) -> String {
     if status.is_client_error() {
         if let Some(auth::AuthStatus::Invalid(_)) = auth_status {
-            return "error: API key is invalid. Run 'hotdata auth' to re-authenticate.".to_string();
+            return "error: API key is invalid. Run 'hotdata auth login' (or 'hotdata auth') to re-authenticate.".to_string();
         }
     }
     util::api_error(body.to_string())
@@ -313,7 +313,7 @@ mod tests {
             Some(&AuthStatus::Invalid(401)),
         );
         assert!(msg.contains("API key is invalid"));
-        assert!(msg.contains("hotdata auth"));
+        assert!(msg.contains("hotdata auth login") || msg.contains("hotdata auth"));
     }
 
     #[test]

src/command.rs

@@ -236,6 +236,9 @@ pub enum QueryCommands {
 
 #[derive(Subcommand)]
 pub enum AuthCommands {
+    /// Log in via browser (same as `hotdata auth` with no subcommand)
+    Login,
+
     /// Remove authentication for a profile
     Logout,
 

src/config.rs

@@ -266,7 +266,7 @@ pub fn resolve_workspace_id(provided: Option<String>, profile_config: &ProfileCo
         .workspaces
         .first()
         .map(|w| w.public_id.clone())
-        .ok_or_else(|| "no workspace-id provided and no default workspace found. Run 'hotdata auth' or specify --workspace-id.".to_string())
+        .ok_or_else(|| "no workspace-id provided and no default workspace found. Run 'hotdata auth login' (or 'hotdata auth') or specify --workspace-id.".to_string())
 }
 
 /// Global API key override set via --api-key flag.
@@ -285,7 +285,7 @@ pub fn load(profile: &str) -> Result<ProfileConfig, String> {
             fs::read_to_string(&config_file).map_err(|e| format!("error reading config file: {e}"))?;
         let config_file: ConfigFile = serde_yaml::from_str(&content).unwrap_or_else(|_| {
             eprintln!("{}", "error parsing config file.".red());
-            eprintln!("Run 'hotdata auth' to generate a new config file.");
+            eprintln!("Run 'hotdata auth login' (or 'hotdata auth') to generate a new config file.");
             std::process::exit(1);
         });
         config_file.profiles.get(profile).cloned().unwrap_or_default()

src/main.rs

@@ -92,7 +92,7 @@ fn main() {
         }
         Some(cmd) => match cmd {
             Commands::Auth { command } => match command {
-                None => auth::login(),
+                None | Some(AuthCommands::Login) => auth::login(),
                 Some(AuthCommands::Status) => auth::status("default"),
                 Some(AuthCommands::Logout) => auth::logout("default"),
             },