Add owner role and admin management controls

wwwroot/js/app-auth-handlers.js

@@ -46,6 +46,29 @@ function setupAuthModeToggle() {
     setAuthMode(state.authMode);
 }
 
+function applyRegistrationOptions(ownerExists) {
+    state.ownerExists = !!ownerExists;
+    const adminKeyField = $("register-admin-key-field");
+    const adminKeyInput = $("register-adminkey");
+    if (!adminKeyField || !adminKeyInput) return;
+
+    const hideAdminKeyInput = state.ownerExists;
+    adminKeyField.classList.toggle("hidden", hideAdminKeyInput);
+    adminKeyInput.disabled = hideAdminKeyInput;
+    if (hideAdminKeyInput) {
+        adminKeyInput.value = "";
+    }
+}
+
+async function refreshRegistrationOptions() {
+    try {
+        const options = await api.authOptions();
+        applyRegistrationOptions(options?.ownerExists);
+    } catch {
+        applyRegistrationOptions(false);
+    }
+}
+
 function setupLoginUserEditingHint() {
     const loginUser = $("login-username");
     if (!loginUser) return;
@@ -121,6 +144,7 @@ function setupRegisterFormHandlers({
             return toast(t("auth.cookieRequired"), true);
         try {
             await api.register({ username, password, displayName, adminKey });
+            await refreshRegistrationOptions();
             setConsent();
             toggleConsentRows();
             setSavedUsername(username);
@@ -152,6 +176,7 @@ function setupLogoutHandler() {
         clearUserState();
         state.isAuthenticated = false;
         setAuthUI(false);
+        await refreshRegistrationOptions();
     });
 }
 
@@ -178,6 +203,7 @@ function setupSuggestionEntryButtons() {
 
 export function setupAuthHandlers({ runSerializedRefresh }) {
     setupAuthModeToggle();
+    refreshRegistrationOptions();
     const consent = setupConsentRows();
     setupLoginUserEditingHint();
     setupLoginFormHandlers({ ...consent, runSerializedRefresh });