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AGENTS.md - AI Coding Agent Reference

This file provides project-specific guidance for AI coding agents working in this repository. It reflects the current architecture and migration status of the codebase.

Project Overview

This project is a Next.js admin dashboard starter that is being migrated from template scaffolding to an app-owned architecture.

Current core stack:

Framework: Next.js 16 (App Router)
Language: TypeScript 5.7
UI: shadcn/ui + Tailwind CSS v4
Authentication: Auth.js
Persistence: PostgreSQL + Drizzle ORM
Data Fetching: TanStack React Query
URL State: nuqs
Forms: TanStack Form + Zod
Charts: Recharts
Monitoring: Sentry
Package Manager: Bun preferred, npm acceptable

Current migration status:

Auth has been moved to Auth.js
Multi-tenant data now uses app-owned users, organizations, and memberships
products has been migrated to Route Handlers + Drizzle
users has been migrated to Route Handlers + Drizzle
RBAC now uses a global users.system_role plus organization-scoped memberships.role
self-service sign-up is disabled; accounts must be created by an admin
some legacy pages still exist as placeholders or transitional seams

Technology Stack Details

Core Runtime

Next.js 16.x with App Router
React 19.x
TypeScript strict mode

Styling & UI

Tailwind CSS v4
shadcn/ui components
CSS custom properties and theme registry

State Management

Zustand for local UI state
nuqs for URL search params
TanStack Form + Zod for forms

Data Fetching

TanStack React Query for server state
server prefetch with HydrationBoundary + dehydrate
useSuspenseQuery() for client consumption of prefetched data

Authentication & Authorization

Auth.js for authentication
app-owned organizations and memberships for multi-tenant access
global system role stored on users.system_role
organization role and permissions stored on memberships
client-side nav filtering is UX-only; real protection must be server-side

Persistence & APIs

PostgreSQL + Drizzle ORM
Route Handlers under src/app/api/** are the main server boundary
feature services call those route handlers through src/lib/api-client.ts
mock APIs remain only as legacy migration seams

Current Auth Model

The current auth model is app-owned and centered around:

users
organizations
memberships

Important files:

src/auth.ts - Auth.js config and exported helpers
src/lib/auth/session.ts - shared server-side auth helpers
src/proxy.ts - route protection
src/db/schema.ts - current database schema

Current behavior:

authentication uses an Auth.js Credentials provider
passwords are verified against users.password_hash
global RBAC uses users.system_role with super_admin | user
organization RBAC uses memberships.role with admin | user
the user row stores active_organization_id
session enrichment loads organization and membership data on each request
self-service sign-up is disabled
initial super admin bootstrap is done with the seed script, not through the UI

Preferred server-side helpers:

requireSession()
requireSystemRole()
requireOrganizationAccess(options?)

Do not introduce new Clerk usage.

Project Structure

/src
├── app/                    # Next.js App Router
│   ├── auth/               # Auth pages
│   ├── dashboard/          # Dashboard routes
│   ├── api/                # Route handlers
│   ├── layout.tsx          # Root layout
│   └── page.tsx            # Landing / redirect entry
│
├── components/
│   ├── ui/                 # shadcn/ui and app UI primitives
│   ├── layout/             # Sidebar, header, providers
│   ├── forms/              # Form field wrappers
│   ├── themes/             # Theme system
│   └── icons.tsx           # Single icon registry
│
├── db/
│   └── schema.ts           # Drizzle schema
│
├── features/
│   ├── auth/
│   ├── overview/
│   ├── products/           # Migrated: React Query + Route Handlers + Drizzle
│   ├── users/              # Migrated: React Query + Route Handlers + Drizzle + RBAC
│   ├── react-query-demo/
│   ├── kanban/
│   ├── chat/
│   ├── notifications/
│   └── profile/
│
├── config/
│   └── nav-config.ts
│
├── hooks/
│   ├── use-nav.ts
│   └── use-data-table.ts
│
├── lib/
│   ├── api-client.ts
│   ├── auth/
│   ├── db.ts
│   ├── query-client.ts
│   └── searchparams.ts
│
├── styles/
└── types/

Relevant docs/plans:

plans/req.md
plans/implementation-plan.md
docs/themes.md
docs/nav-rbac.md
docs/clerk_setup.md is legacy historical reference only

Build & Development Commands

# Install dependencies
bun install
# or
npm install

# Development server
bun run dev
# or
npm run dev

# Build
bun run build
# or
npm run build

# Start
bun run start
# or
npm run start

# Lint
bun run lint
# or
npm run lint

# Format
bun run format
# or
npm run format

Environment Configuration

Copy env.example.txt to .env.local and configure:

Required

AUTH_SECRET=your-long-random-secret
DATABASE_URL=postgres://postgres:postgres@localhost:5432/training_system
SUPER_ADMIN_EMAIL=admin@example.com
SUPER_ADMIN_PASSWORD=change-this-password

Optional for Sentry

NEXT_PUBLIC_SENTRY_DSN=https://...@....ingest.sentry.io/...
NEXT_PUBLIC_SENTRY_ORG=your-org
NEXT_PUBLIC_SENTRY_PROJECT=your-project
SENTRY_AUTH_TOKEN=sntrys_...
NEXT_PUBLIC_SENTRY_DISABLED="false"

Notes:

keep auth and database secrets server-only
OAuth providers can be added later through Auth.js
billing is currently modeled as app-owned organization plan data, not a live provider integration
run npm run setup:db on first setup to apply migrations and seed the initial super admin

Code Style Guidelines

TypeScript

strict mode enabled
use explicit return types for public functions when useful
prefer interface for object contracts
use @/* imports from src

Component Conventions

use function declarations for components
server components by default
add 'use client' only when needed
use cn() for className merging

Forms

use TanStack Form via useAppForm from @/components/ui/tanstack-form
use Zod for submit validation
avoid useState inside AppField render props

Buttons

use <Button isLoading={isPending}> for loading states

Navigation is configured in src/config/nav-config.ts.

Current access properties:

systemRole
requireOrg
permission
role
plan
feature

Notes:

systemRole is for global access such as super_admin
requireOrg remains a compatibility seam and means the user must have an active organization
nav filtering in src/hooks/use-nav.ts uses Auth.js session data
server routes and server pages must enforce real access independently

Authentication Patterns

Protected Routes

Dashboard routes are protected through src/proxy.ts.

Example protected page:

import { auth } from '@/auth';
import { redirect } from 'next/navigation';

export default async function Page() {
  const session = await auth();

  if (!session?.user) {
    redirect('/auth/sign-in');
  }

  if (!session.user.activeOrganizationId) {
    redirect('/dashboard/workspaces');
  }

  return <div>Protected</div>;
}

Shared Server Helpers

Prefer:

requireSession()
requireSystemRole()
requireOrganizationAccess(options?)

Plan / Feature Gating

Do not use vendor-specific gating components.

Read plan or feature state from app-owned organization data and enforce it server-side.

Data Fetching Patterns

Service Layer Architecture

Each feature should use:

src/features/<name>/api/
  types.ts
  service.ts
  queries.ts
  mutations.ts   # when mutations exist

Rules:

components import types from types.ts
components call query options from queries.ts
services call local route handlers through apiClient
route handlers talk to Drizzle / database

Backend Patterns

Preferred patterns in this repo:

Pattern	Guidance
Route Handlers + ORM	Preferred for app-owned features
Server Actions + ORM	Acceptable when it fits the feature well
BFF	Acceptable when proxying to an external backend
Mock	Legacy only, not the preferred path

React Query

Preferred pattern for new pages:

define query options in queries.ts
prefetch in the server page
hydrate with HydrationBoundary
read with useSuspenseQuery()

URL State

Use nuqs for table search params and list filters.

Tables

Use:

TanStack Table
React Query
useDataTable
column definitions under the feature component tree

Current Migration Guidance

Use the migrated products feature as the main reference for new CRUD work.

Important current status:

products is migrated to Auth.js + Route Handlers + Drizzle
users is migrated to Auth.js + Route Handlers + Drizzle
new features should follow the products and users pattern, not the old mock pattern

Legacy seams still present:

src/constants/mock-api.ts
src/constants/mock-api-users.ts
some placeholder pages under workspaces, billing, profile, and exclusive sections

Treat those as migration seams, not target architecture.

Deployment Notes

Production Requirements

Ensure these are set:

AUTH_SECRET
DATABASE_URL
SUPER_ADMIN_EMAIL
SUPER_ADMIN_PASSWORD
relevant SENTRY_* variables if using Sentry

Build Considerations

app builds as standalone
database migrations must be applied before runtime
production secrets must not be exposed as NEXT_PUBLIC_*

Troubleshooting

Auth fails in development

verify AUTH_SECRET
verify DATABASE_URL
verify migrations are applied
verify the super admin seed has run and seeded users have valid password_hash

Theme not applying

verify theme CSS import in src/styles/theme.css
verify theme registration in theme.config.ts

check access in nav-config.ts
verify session has active organization, role, or permissions as needed

Feature data looks stale

verify mutation invalidates the feature query key factory
verify filters are included in the query key

External Documentation

Notes for AI Agents

Always use cn() for className merging.
Respect the feature-based structure and keep new work inside src/features/.
Server components are the default.
Avoid any; keep contracts explicit.
Use PageContainer for page headers instead of importing Heading directly in pages.
Use TanStack Form + Zod via the existing project wrappers.
Use icons only through @/components/icons.
For new app-owned features, prefer Route Handlers + Drizzle + React Query.
Never import from @/constants/mock-api* directly in components.
Use @/auth and src/lib/auth/session.ts for auth and organization checks.
Do not introduce new Clerk usage.
Treat legacy mock-backed modules as migration seams.
Follow the migrated products and users feature patterns when building new CRUD modules.
Do not re-enable self-service sign-up unless the product requirement changes explicitly.

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