import cleanup and fixing some client metadata failures due to adjusting behaviour earlier

crates/jacquard-common/src/error.rs

···
     RefreshFailed,
 
     /// Request requires authentication but none was provided
-    #[error("No authentication provided")]
+    #[error("No authentication provided, but endpoint requires auth")]
     NotAuthenticated,
 
     /// Other authentication error

crates/jacquard-oauth/src/atproto.rs

···
                     Url::from_str("http://127.0.0.1/").unwrap(),
                     Url::from_str("http://[::1]/").unwrap(),
                 ],
-                scope: None,
+                scope: Some(CowStr::new_static("atproto")),
                 grant_types: None,
                 token_endpoint_auth_method: Some(AuthMethod::None.into()),
                 dpop_bound_access_tokens: None,
···
             .expect("failed to convert metadata"),
             OAuthClientMetadata {
                 client_id: Url::from_str(
-                    "http://localhost?redirect_uri=http%3A%2F%2Flocalhost%2Fcallback&redirect_uri=http%3A%2F%2Flocalhost%2Fcallback&scope=account%3Aemail+atproto+transition%3Ageneric"
+                    "http://localhost?redirect_uri=http%3A%2F%2F127.0.0.1%2Fcallback&redirect_uri=http%3A%2F%2F127.0.0.1%2Fcallback&scope=account%3Aemail+atproto+transition%3Ageneric"
                 ).unwrap(),
                 client_uri: None,
                 redirect_uris: vec![
-                    Url::from_str("http://localhost/callback").unwrap(),
-                    Url::from_str("http://localhost/callback").unwrap(),
+                    Url::from_str("http://127.0.0.1/callback").unwrap(),
+                    // TODO: fix this so that it respects IPv6
+                    Url::from_str("http://127.0.0.1/callback").unwrap(),
                 ],
-                scope: None,
+                scope: Some(CowStr::new_static("account:email atproto transition:generic")),
                 grant_types: None,
                 token_endpoint_auth_method: Some(AuthMethod::None.into()),
                 dpop_bound_access_tokens: None,
···
                 ),
                 &None,
             )
-            .expect("should coerce to localhost");
+            .expect("should coerce to 127.0.0.1");
             assert_eq!(
                 out,
                 OAuthClientMetadata {
                     client_id: Url::from_str(
-                        "http://localhost?redirect_uri=http%3A%2F%2Flocalhost%2F"
+                        "http://localhost?redirect_uri=http%3A%2F%2F127.0.0.1%2F"
                     )
                     .unwrap(),
                     client_uri: None,
-                    redirect_uris: vec![Url::from_str("http://localhost/").unwrap()],
-                    scope: None,
+                    redirect_uris: vec![Url::from_str("http://127.0.0.1/").unwrap()],
+                    scope: Some(CowStr::new_static("atproto")),
                     grant_types: None,
                     token_endpoint_auth_method: Some(AuthMethod::None.into()),
                     dpop_bound_access_tokens: None,
···
                 ),
                 &None,
             )
-            .expect("should coerce to localhost");
+            .expect("should coerce to 127.0.0.1");
             assert_eq!(
                 out,
                 OAuthClientMetadata {
                     client_id: Url::from_str(
-                        "http://localhost?redirect_uri=http%3A%2F%2Flocalhost%2F"
+                        "http://localhost?redirect_uri=http%3A%2F%2F127.0.0.1%3A8000%2F"
                     )
                     .unwrap(),
                     client_uri: None,
-                    redirect_uris: vec![Url::from_str("http://localhost/").unwrap()],
-                    scope: None,
+                    redirect_uris: vec![Url::from_str("http://127.0.0.1:8000/").unwrap()],
+                    scope: Some(CowStr::new_static("atproto")),
                     grant_types: None,
                     token_endpoint_auth_method: Some(AuthMethod::None.into()),
                     dpop_bound_access_tokens: None,
···
                 ),
                 &None,
             )
-            .expect("should coerce to localhost");
+            .expect("should coerce to 127.0.0.1");
             assert_eq!(
                 out,
                 OAuthClientMetadata {
                     client_id: Url::from_str(
-                        "http://localhost?redirect_uri=http%3A%2F%2Flocalhost%2F"
+                        "http://localhost?redirect_uri=http%3A%2F%2F127.0.0.1%2F"
                     )
                     .unwrap(),
                     client_uri: None,
-                    redirect_uris: vec![Url::from_str("http://localhost/").unwrap()],
-                    scope: None,
+                    redirect_uris: vec![Url::from_str("http://127.0.0.1/").unwrap()],
+                    scope: Some(CowStr::new_static("atproto")),
                     grant_types: None,
                     token_endpoint_auth_method: Some(AuthMethod::None.into()),
                     dpop_bound_access_tokens: None,

crates/jacquard-oauth/src/loopback.rs

···
     scopes::Scope,
     types::{AuthorizeOptions, CallbackParams},
 };
-use jacquard_common::{CowStr, IntoStatic, cowstr::ToCowStr};
+use jacquard_common::{IntoStatic, cowstr::ToCowStr};
 use rouille::Server;
-use std::{net::SocketAddr, sync::Arc};
-use tokio::{
-    net::TcpListener,
-    sync::{Mutex, mpsc, oneshot},
-};
+use std::net::SocketAddr;
+use tokio::sync::mpsc;
 use url::Url;
 
 #[derive(Clone, Debug)]
···
         opts: AuthorizeOptions<'_>,
         cfg: LoopbackConfig,
     ) -> crate::error::Result<super::client::OAuthSession<T, S>> {
-        // 1) Bind server first to learn effective port
         let port = match cfg.port {
             LoopbackPort::Fixed(p) => p,
             LoopbackPort::Ephemeral => 0,
         };
-        // TODO: fix this to it also accepts ipv6
+        // TODO: fix this to it also accepts ipv6 and properly finds a free port
         let bind_addr: SocketAddr = format!("0.0.0.0:{}", port)
             .parse()
             .expect("invalid loopback host/port");
         let (local_addr, handle) = one_shot_server(bind_addr);
         println!("Listening on {}", local_addr);
-
-        // 2) Build per-flow metadata with the actual redirect URI
+        // build redirect uri
         let redirect = Url::parse(&format!(
             "http://{}:{}/oauth/callback",
             cfg.host,
···
             ),
         };
 
-        // Build a per-flow client using shared store and resolver
+        // Build client using store and resolver
         let flow_client = OAuthClient::new_with_shared(
             self.registry.store.clone(),
             self.client.clone(),
             client_data.clone(),
         );
 
-        // 3) Start auth (persists state) and get authorization URL
+        // Start auth and get authorization URL
         let auth_url = flow_client.start_auth(input.as_ref(), opts).await?;
         // Print URL for copy/paste
-        println!("Open this URL to authorize:\n{}\n", auth_url);
+        println!("To authenticate with your PDS, visit:\n{}\n", auth_url);
         // Optionally open browser
         if cfg.open_browser {
             let _ = try_open_in_browser(&auth_url);
         }
 
-        // 4) Await callback or timeout
+        // Await callback or timeout
         let mut callback_rx = handle.callback_rx;
         let cb = tokio::time::timeout(
             std::time::Duration::from_millis(cfg.timeout_ms),
···
         .await;
         // trigger shutdown
         let _ = handle.server_stop.send(());
-        if let Err(_) = cb {
-            return Err(OAuthError::Callback(CallbackError::Timeout));
-        }
-
         if let Ok(Some(cb)) = cb {
-            // 5) Continue with callback flow
-            let session = flow_client.callback(cb).await?;
-            Ok(session)
+            // Handle callback and create a session
+            Ok(flow_client.callback(cb).await?)
         } else {
             Err(OAuthError::Callback(CallbackError::Timeout))
         }