Restore native client sessions

src/App.svelte

@@ -31,6 +31,48 @@
     }
   }
 
+  async function loadAuthenticatedData() {
+    await loadActivity();
+    await loadNotifications();
+    await loadDiagnostics();
+    await loadOAuthStatus();
+    await loadCollaboration();
+    await loadCollaborators();
+    await loadBotCommands();
+    await loadBotSecrets();
+    await loadOverlays();
+    await loadBackups();
+    await loadStreamInfo();
+    connectRealtime();
+  }
+
+  async function restoreNativeSession() {
+    if (!nativeClientAvailable() || !username || !serverAddress) return;
+    try {
+      const settings: ClientSettings = { server_address: serverAddress, username };
+      const storedSession = await invoke<string | null>('load_server_session', { settings });
+      if (!storedSession) return;
+      const response = await fetch(`${serverAddress}/api/v1/auth/session`, {
+        headers: { authorization: `Bearer ${storedSession}` },
+      });
+      if (!response.ok) {
+        await invoke('clear_server_session', { settings });
+        return;
+      }
+      const result: { must_replace_credentials: boolean } = await response.json();
+      sessionToken = storedSession;
+      authenticated = true;
+      mustReplaceCredentials = result.must_replace_credentials;
+      connectionState = 'CONNECTED';
+      await loadAuthenticatedData();
+      if (mustReplaceCredentials) newUsername = username;
+    } catch {
+      // A stale keyring session must not prevent the normal login form from opening.
+      sessionToken = '';
+      authenticated = false;
+    }
+  }
+
   let serverAddress = 'http://127.0.0.1:8787';
   let connectionState = 'OFFLINE';
   let serverVersion = '—';
@@ -239,18 +281,7 @@
         authError = 'Login succeeded, but the session could not be stored in the Linux keyring.';
       });
       connectionState = 'CONNECTED';
-      await loadActivity();
-      await loadNotifications();
-      await loadDiagnostics();
-      await loadOAuthStatus();
-      await loadCollaboration();
-      await loadCollaborators();
-      await loadBotCommands();
-      await loadBotSecrets();
-      await loadOverlays();
-      await loadBackups();
-      await loadStreamInfo();
-      connectRealtime();
+      await loadAuthenticatedData();
       if (!mustReplaceCredentials) password = '';
       if (mustReplaceCredentials) newUsername = username;
     } catch (error) {
@@ -1065,6 +1096,7 @@
     await loadNativeSettings();
     void checkServer();
     void loadPublicCommands();
+    void restoreNativeSession();
   });
 </script>