Setup tweaks

[joshuasilva414]

Satisfies

• Closes https://linear.app/acmutsa/issue/LRN-10

[linear]

LRN-10

[Copilot]

Pull Request Overview

This PR refactors the authentication and authorization setup by migrating from NextAuth to better-auth, switching the database provider from PostgreSQL to SQLite, and reorganizing the safe action client implementation with improved type safety.

• Migrated authentication system from NextAuth to better-auth
• Restructured database schema with separate auth tables and user data tables
• Implemented role-based authorization with admin and protected action clients

Reviewed Changes

Copilot reviewed 10 out of 11 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
src/lib/types.ts	Defines role types used across authentication and authorization
src/lib/safe-action.ts	Replaces ActionClient.ts with improved safe action client implementation using better-auth
src/lib/auth.ts	Updates auth configuration to use better-auth with SQLite adapter
src/lib/auth-client.ts	Updates client configuration to use environment variable for base URL
src/lib/ActionClient.ts	Removed file - replaced by safe-action.ts
src/db/schema.ts	Refactors schema to define user_data table with foreign key to auth users table
src/db/index.ts	Updates database client to include auth-schema in the schema configuration
src/db/auth-schema.ts	Adds better-auth required tables (users, sessions, accounts, verifications)
src/app/admin/courses/create/page.tsx	Adds placeholder page component for course creation
package.json	Adds Drizzle Kit database management scripts

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[Copilot]

Pull Request Overview

Copilot reviewed 16 out of 17 changed files in this pull request and generated 2 comments.

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