feat(types): generalize User schema for multiple auth providers

src/lib/types/User.ts

@@ -1,6 +1,8 @@
 import type { ObjectId } from "mongodb";
 import type { Timestamps } from "./Timestamps";
 
+export type AuthProvider = "huggingface" | "password" | "oidc";
+
 export interface User extends Timestamps {
 	_id: ObjectId;
 
@@ -8,7 +10,14 @@ export interface User extends Timestamps {
 	name: string;
 	email?: string;
 	avatarUrl: string | undefined;
-	hfUserId: string;
+
+	// Auth provider identification
+	authProvider: AuthProvider;
+	authId: string; // Provider-specific user ID (e.g., hfUserId for HF, username for password)
+
+	// Legacy field for backward compatibility (maps to authId when authProvider is "huggingface")
+	hfUserId?: string;
+
 	isAdmin?: boolean;
 	isEarlyAccess?: boolean;
 }