Initial architecture

.env.example

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+NEXT_PUBLIC_SUPABASE_URL=https://your-project.supabase.co
+NEXT_PUBLIC_SUPABASE_PUBLISHABLE_DEFAULT_KEY=sb_publishable_your-key
+DATABASE_URL=postgresql://postgres:password@db.your-project.supabase.co:6543/postgres

.gitignore

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+# dependencies
+/node_modules
+/.pnp
+.pnp.*
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/versions
+
+# testing
+/coverage
+
+# next.js
+/.next/
+/out/
+
+# production
+/build
+
+# misc
+.DS_Store
+*.pem
+Thumbs.db
+
+# debug
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+.pnpm-debug.log*
+
+# env files
+.env
+.env.*
+!.env.example
+
+# vercel
+.vercel
+
+# typescript
+*.tsbuildinfo
+next-env.d.ts
+
+# editors
+.vscode/*
+!.vscode/settings.json
+!.vscode/extensions.json
+.idea/
+*.swp
+*.swo
+*~
+
+# drizzle
+drizzle/meta/
+
+# supabase
+.supabase/
+
+
+.agents/

.prettierrc.json

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+{
+  "tabWidth": 3
+}

AGENTS.md

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+<!-- BEGIN:nextjs-agent-rules -->
+# This is NOT the Next.js you know
+
+This version has breaking changes — APIs, conventions, and file structure may all differ from your training data. Read the relevant guide in `node_modules/next/dist/docs/` before writing any code. Heed deprecation notices.
+<!-- END:nextjs-agent-rules -->

CLAUDE.md

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+@AGENTS.md

README.md

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-# mcld-project
+# mcld-project
+
+## Stack
+
+- **Framework**: Next.js 16 (App Router, Turbopack)
+- **Auth**: Supabase Auth (email/password, SSR via `@supabase/ssr`)
+- **Database**: PostgreSQL via Supabase + Drizzle ORM
+- **UI**: shadcn/ui (Radix) + Tailwind
+- **Hosting**: Vercel
+
+## Setup
+
+### 1. Install dependencies
+
+```bash
+pnpm install
+```
+
+### 2. Configure environment
+
+```bash
+cp .env.example .env.local
+sudo nano .env
+```
+
+Fill in your Supabase credentials from [supabase.com/dashboard](https://supabase.com/dashboard) > Project Settings > API (or Dashboard > Framework > Next.js > Environment Variables):
+
+only on `.env.local`:
+
+- `NEXT_PUBLIC_SUPABASE_URL` — Project URL
+- `NEXT_PUBLIC_SUPABASE_PUBLISHABLE_DEFAULT_KEY` — Publishable (anon) key
+
+only on `.env`:
+
+- `DATABASE_URL` — Connection string (Dashboard > Direct (connextion string) > Copy connection string (for the password go to Database > Settings > Database password > Reset password))
+
+### 3. Configure Supabase Auth (if you dont use port 3000)
+
+In your Supabase dashboard under **Authentication > URL Configuration**:
+
+- **Site URL**: `http://localhost:PORT`
+- **Redirect URLs**: add `http://localhost:PORT/auth/callback`
+
+Make sure **Email** provider is enabled under **Authentication > Sign In/Providers**.
+
+### 4. Set up the database
+
+```bash
+pnpm db:push       # push schema to Supabase
+pnpm db:generate   # generate migration files
+pnpm db:migrate    # run migrations
+```
+
+### 5. Run
+
+```bash
+pnpm dev
+```
+
+Open [http://localhost:3000](http://localhost:3000). You'll be redirected to `/login` if not authenticated.
+
+## Adding shadcn/ui components
+
+```bash
+npx shadcn@latest add <component>
+```
+
+Examples:
+
+```bash
+npx shadcn@latest add button
+npx shadcn@latest add card input label
+npx shadcn@latest add dialog dropdown-menu
+```
+
+Components are installed to `components/ui/`. Browse available components at [ui.shadcn.com](https://ui.shadcn.com).
+
+## Project structure
+
+```
+app/
+  layout.tsx          # Root layout (Helvetica font)
+  page.tsx            # Home (protected, shows user + sign out)
+  login/
+    page.tsx          # Login / signup form
+    actions.ts        # Server actions (login, signup, signout)
+  auth/
+    callback/
+      route.ts        # Email confirmation callback
+components/ui/        # shadcn/ui components
+utils/supabase/
+  client.ts           # Browser Supabase client
+  server.ts           # Server Supabase client
+  middleware.ts       # Session refresh + auth redirect logic
+proxy.ts              # Next.js 16 proxy (replaces middleware.ts)
+drizzle/              # Drizzle schema + migrations
+drizzle.config.ts     # Drizzle config
+```

app/auth/callback/route.ts

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+import { NextResponse } from "next/server";
+import { createClient } from "@/utils/supabase/server";
+
+export async function GET(request: Request) {
+  const { searchParams, origin } = new URL(request.url);
+  const code = searchParams.get("code");
+  const next = searchParams.get("next") ?? "/";
+
+  if (code) {
+    const supabase = await createClient();
+    const { error } = await supabase.auth.exchangeCodeForSession(code);
+    if (!error) {
+      return NextResponse.redirect(`${origin}${next}`);
+    }
+  }
+
+  return NextResponse.redirect(`${origin}/login?error=Could+not+authenticate`);
+}

app/globals.css

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+@import "tailwindcss";
+@import "tw-animate-css";
+@import "shadcn/tailwind.css";
+
+@custom-variant dark (&:is(.dark *));
+
+@theme inline {
+  --color-background: var(--background);
+  --color-foreground: var(--foreground);
+  --font-sans: "Helvetica", "Arial", sans-serif;
+  --font-mono: ui-monospace, monospace;
+  --font-heading: "Helvetica", "Arial", sans-serif;
+  --color-sidebar-ring: var(--sidebar-ring);
+  --color-sidebar-border: var(--sidebar-border);
+  --color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
+  --color-sidebar-accent: var(--sidebar-accent);
+  --color-sidebar-primary-foreground: var(--sidebar-primary-foreground);
+  --color-sidebar-primary: var(--sidebar-primary);
+  --color-sidebar-foreground: var(--sidebar-foreground);
+  --color-sidebar: var(--sidebar);
+  --color-chart-5: var(--chart-5);
+  --color-chart-4: var(--chart-4);
+  --color-chart-3: var(--chart-3);
+  --color-chart-2: var(--chart-2);
+  --color-chart-1: var(--chart-1);
+  --color-ring: var(--ring);
+  --color-input: var(--input);
+  --color-border: var(--border);
+  --color-destructive: var(--destructive);
+  --color-accent-foreground: var(--accent-foreground);
+  --color-accent: var(--accent);
+  --color-muted-foreground: var(--muted-foreground);
+  --color-muted: var(--muted);
+  --color-secondary-foreground: var(--secondary-foreground);
+  --color-secondary: var(--secondary);
+  --color-primary-foreground: var(--primary-foreground);
+  --color-primary: var(--primary);
+  --color-popover-foreground: var(--popover-foreground);
+  --color-popover: var(--popover);
+  --color-card-foreground: var(--card-foreground);
+  --color-card: var(--card);
+  --radius-sm: calc(var(--radius) * 0.6);
+  --radius-md: calc(var(--radius) * 0.8);
+  --radius-lg: var(--radius);
+  --radius-xl: calc(var(--radius) * 1.4);
+  --radius-2xl: calc(var(--radius) * 1.8);
+  --radius-3xl: calc(var(--radius) * 2.2);
+  --radius-4xl: calc(var(--radius) * 2.6);
+}
+
+:root {
+  --background: oklch(1 0 0);
+  --foreground: oklch(0.145 0 0);
+  --card: oklch(1 0 0);
+  --card-foreground: oklch(0.145 0 0);
+  --popover: oklch(1 0 0);
+  --popover-foreground: oklch(0.145 0 0);
+  --primary: oklch(0.205 0 0);
+  --primary-foreground: oklch(0.985 0 0);
+  --secondary: oklch(0.97 0 0);
+  --secondary-foreground: oklch(0.205 0 0);
+  --muted: oklch(0.97 0 0);
+  --muted-foreground: oklch(0.556 0 0);
+  --accent: oklch(0.97 0 0);
+  --accent-foreground: oklch(0.205 0 0);
+  --destructive: oklch(0.577 0.245 27.325);
+  --border: oklch(0.922 0 0);
+  --input: oklch(0.922 0 0);
+  --ring: oklch(0.708 0 0);
+  --chart-1: oklch(0.87 0 0);
+  --chart-2: oklch(0.556 0 0);
+  --chart-3: oklch(0.439 0 0);
+  --chart-4: oklch(0.371 0 0);
+  --chart-5: oklch(0.269 0 0);
+  --radius: 0.625rem;
+  --sidebar: oklch(0.985 0 0);
+  --sidebar-foreground: oklch(0.145 0 0);
+  --sidebar-primary: oklch(0.205 0 0);
+  --sidebar-primary-foreground: oklch(0.985 0 0);
+  --sidebar-accent: oklch(0.97 0 0);
+  --sidebar-accent-foreground: oklch(0.205 0 0);
+  --sidebar-border: oklch(0.922 0 0);
+  --sidebar-ring: oklch(0.708 0 0);
+}
+
+.dark {
+  --background: oklch(0.145 0 0);
+  --foreground: oklch(0.985 0 0);
+  --card: oklch(0.205 0 0);
+  --card-foreground: oklch(0.985 0 0);
+  --popover: oklch(0.205 0 0);
+  --popover-foreground: oklch(0.985 0 0);
+  --primary: oklch(0.922 0 0);
+  --primary-foreground: oklch(0.205 0 0);
+  --secondary: oklch(0.269 0 0);
+  --secondary-foreground: oklch(0.985 0 0);
+  --muted: oklch(0.269 0 0);
+  --muted-foreground: oklch(0.708 0 0);
+  --accent: oklch(0.269 0 0);
+  --accent-foreground: oklch(0.985 0 0);
+  --destructive: oklch(0.704 0.191 22.216);
+  --border: oklch(1 0 0 / 10%);
+  --input: oklch(1 0 0 / 15%);
+  --ring: oklch(0.556 0 0);
+  --chart-1: oklch(0.87 0 0);
+  --chart-2: oklch(0.556 0 0);
+  --chart-3: oklch(0.439 0 0);
+  --chart-4: oklch(0.371 0 0);
+  --chart-5: oklch(0.269 0 0);
+  --sidebar: oklch(0.205 0 0);
+  --sidebar-foreground: oklch(0.985 0 0);
+  --sidebar-primary: oklch(0.488 0.243 264.376);
+  --sidebar-primary-foreground: oklch(0.985 0 0);
+  --sidebar-accent: oklch(0.269 0 0);
+  --sidebar-accent-foreground: oklch(0.985 0 0);
+  --sidebar-border: oklch(1 0 0 / 10%);
+  --sidebar-ring: oklch(0.556 0 0);
+}
+
+@layer base {
+  * {
+    @apply border-border outline-ring/50;
+  }
+  body {
+    @apply bg-background text-foreground;
+  }
+  html {
+    @apply font-sans;
+  }
+}

app/layout.tsx

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+import type { Metadata } from "next";
+import "./globals.css";
+
+export const metadata: Metadata = {
+  title: "Create Next App",
+  description: "Generated by create next app",
+};
+
+export default function RootLayout({
+  children,
+}: Readonly<{
+  children: React.ReactNode;
+}>) {
+  return (
+    <html lang="en" className="h-full antialiased">
+      <body className="min-h-full flex flex-col font-[Helvetica,Arial,sans-serif]">
+        {children}
+      </body>
+    </html>
+  );
+}

app/login/actions.ts

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+"use server";
+
+import { redirect } from "next/navigation";
+import { createClient } from "@/utils/supabase/server";
+
+export async function login(formData: FormData) {
+  const supabase = await createClient();
+
+  const { error } = await supabase.auth.signInWithPassword({
+    email: formData.get("email") as string,
+    password: formData.get("password") as string,
+  });
+
+  if (error) {
+    redirect(`/login?error=${encodeURIComponent(error.message)}`);
+  }
+
+  redirect("/");
+}
+
+export async function signup(formData: FormData) {
+  const supabase = await createClient();
+
+  const { error } = await supabase.auth.signUp({
+    email: formData.get("email") as string,
+    password: formData.get("password") as string,
+  });
+
+  if (error) {
+    redirect(`/login?error=${encodeURIComponent(error.message)}`);
+  }
+
+  redirect(
+    `/login?message=${encodeURIComponent("Check your email to confirm your account.")}`
+  );
+}
+
+export async function signout() {
+  const supabase = await createClient();
+  await supabase.auth.signOut();
+  redirect("/login");
+}