feat : able to use mutil email

lib/auth/authorization.test.ts

@@ -23,6 +23,21 @@ describe("admin authorization", () => {
     expect(isConfiguredAdminEmail(verified.email, undefined)).toBe(false);
   });
 
+  it("supports a comma-separated administrator email list", () => {
+    expect(
+      isConfiguredAdminEmail(
+        "[email protected]",
+        "[email protected], [email protected]",
+      ),
+    ).toBe(true);
+    expect(
+      isConfiguredAdminEmail(
+        "[email protected]",
+        "[email protected], [email protected]",
+      ),
+    ).toBe(false);
+  });
+
   it("allows only credential registration for the configured administrator", () => {
     expect(
       isAllowedAdminRegistration(

lib/auth/authorization.ts

@@ -8,9 +8,15 @@ export interface SessionUserLike {
 
 export function isConfiguredAdminEmail(
   email: string | null | undefined,
-  adminEmail: string | null | undefined,
+  adminEmailConfig: string | null | undefined,
 ): boolean {
-  return Boolean(email && adminEmail && email === adminEmail);
+  if (!email || !adminEmailConfig) return false;
+
+  return adminEmailConfig
+    .split(",")
+    .map((configuredEmail) => configuredEmail.trim())
+    .filter(Boolean)
+    .includes(email);
 }
 
 export function isAllowedAdminRegistration(