Many imorovments

ui/dr-ui/src/launch.rs

@@ -253,6 +253,24 @@ impl LaunchModel {
         };
     }
 
+    /// TRACES: FR-NC-1
+    /// Begin a sign-in with an app password the user supplied directly.
+    ///
+    /// The browser flow is the recommended route because it never exposes a
+    /// credential to us, but it needs a browser and a round trip through one.
+    /// An app password is what Nextcloud offers instead: device-scoped,
+    /// individually revocable, and created by the user under Settings →
+    /// Security. That makes it the workable option where no browser can
+    /// complete the handshake.
+    pub fn begin_direct_sign_in(&mut self, server: impl Into<String>) {
+        self.server_url = normalise_server(&server.into());
+        self.error = None;
+        self.state = LaunchState::Busy {
+            message: "Checking the credentials…".into(),
+            session: None,
+        };
+    }
+
     pub fn await_approval(&mut self, login_url: impl Into<String>) {
         self.status = Some("Approve the sign-in in your browser.".into());
         self.state = LaunchState::AwaitingApproval {