refactor: migrate authentication from Supabase to Better Auth and update Prisma schema models

apps/backend/src/generated/prisma/client.ts

@@ -31,8 +31,8 @@ export * from "./enums"
  * const prisma = new PrismaClient({
  *   adapter: new PrismaPg({ connectionString: process.env.DATABASE_URL })
  * })
- * // Fetch zero or more Complexes
- * const complexes = await prisma.complex.findMany()
+ * // Fetch zero or more Users
+ * const users = await prisma.user.findMany()
  * ```
  * 
  * Read more in our [docs](https://pris.ly/d/client).
@@ -41,6 +41,26 @@ export const PrismaClient = $Class.getPrismaClientClass()
 export type PrismaClient<LogOpts extends Prisma.LogLevel = never, OmitOpts extends Prisma.PrismaClientOptions["omit"] = Prisma.PrismaClientOptions["omit"], ExtArgs extends runtime.Types.Extensions.InternalArgs = runtime.Types.Extensions.DefaultArgs> = $Class.PrismaClient<LogOpts, OmitOpts, ExtArgs>
 export { Prisma }
 
+/**
+ * Model User
+ * 
+ */
+export type User = Prisma.UserModel
+/**
+ * Model Session
+ * 
+ */
+export type Session = Prisma.SessionModel
+/**
+ * Model Account
+ * 
+ */
+export type Account = Prisma.AccountModel
+/**
+ * Model Verification
+ * 
+ */
+export type Verification = Prisma.VerificationModel
 /**
  * Model Complex
  * 
@@ -91,8 +111,3 @@ export type PasswordResetRequest = Prisma.PasswordResetRequestModel
  * 
  */
 export type Plan = Prisma.PlanModel
-/**
- * Model User
- * 
- */
-export type User = Prisma.UserModel