Persist shared auth config in DB

Add ncue_app_config and /api/config/auth endpoints, and hydrate Auth0 config from the server so other browsers don't see the setup modal.

Co-authored-by: Cursor <cursoragent@cursor.com>

script.js

@@ -493,6 +493,34 @@
     }
   }
 
+  async function hydrateAuthConfigFromServerIfNeeded() {
+    const cfg = getAuthConfig();
+    const hasLocal = Boolean(cfg.auth0.domain && cfg.auth0.clientId && cfg.connections.google);
+    if (hasLocal) return true;
+    try {
+      const r = await fetch(apiUrl("/api/config/auth"), { cache: "no-store" });
+      if (!r.ok) return false;
+      const data = await r.json();
+      if (!data || !data.ok || !data.value) return false;
+      const v = data.value;
+      const auth0 = v.auth0 || {};
+      const connections = v.connections || {};
+      const allowedEmails = Array.isArray(v.allowedEmails) ? v.allowedEmails : [];
+      const domain = String(auth0.domain || "").trim();
+      const clientId = String(auth0.clientId || "").trim();
+      const google = String(connections.google || "").trim();
+      if (!domain || !clientId || !google) return false;
+      saveAuthOverride({
+        auth0: { domain, clientId },
+        connections: { google },
+        allowedEmails,
+      });
+      return true;
+    } catch {
+      return false;
+    }
+  }
+
   function currentUrlNoQuery() {
     // Auth0 callback 후 URL 정리용
     const u = new URL(location.href);
@@ -1352,6 +1380,7 @@
   async function main() {
     initTheme();
     wire();
+    await hydrateAuthConfigFromServerIfNeeded();
     await initAuth();
     state.baseLinks = await loadBaseLinks();
     state.baseOrder = new Map(state.baseLinks.map((l, i) => [l.id, i]));