feat: Techne v1 enrollment platform

.env.local.example

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+# Supabase — get from project settings > API
+NEXT_PUBLIC_SUPABASE_URL=https://[project-ref].supabase.co
+NEXT_PUBLIC_SUPABASE_ANON_KEY=eyJ...
+SUPABASE_SERVICE_ROLE_KEY=eyJ...  # Never expose to client — server-only
+
+# Stripe — get from dashboard.stripe.com/apikeys
+NEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY=pk_test_...
+STRIPE_SECRET_KEY=sk_test_...
+STRIPE_WEBHOOK_SECRET=whsec_...  # Get from Stripe dashboard after registering webhook
+
+# App
+NEXT_PUBLIC_APP_URL=http://localhost:3000
+# Production: NEXT_PUBLIC_APP_URL=https://techne.institute

.eslintrc.json

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+{
+  "extends": ["next/core-web-vitals", "next/typescript"]
+}

.gitignore

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+# dependencies
+/node_modules
+/.pnp
+.pnp.*
+.yarn/*
+!.yarn/patches
+!.yarn/releases
+!.yarn/versions
+
+# testing
+/coverage
+
+# next.js
+/.next/
+/out/
+
+# production
+/build
+
+# misc
+.DS_Store
+*.pem
+
+# debug
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# env files
+.env*
+!.env.local.example
+
+# vercel
+.vercel
+
+# typescript
+*.tsbuildinfo
+next-env.d.ts

CLAUDE.md

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+# Techne Institute
+
+A Next.js web application for Techne Institute — an AI/technology learning center in Boulder, CO.
+Students enroll in cohorts, pay via Stripe, and access session recordings in a protected members area.
+
+## Stack
+
+- **Next.js 15** (App Router, TypeScript)
+- **Supabase** — Postgres database + auth (magic link, no passwords)
+- **Stripe** — one-time payments, promo codes for sliding scale
+- **Vercel** — hosting + CI/CD
+
+## Design Tokens
+
+```css
+--void: #08080a;      /* deepest dark */
+--ink: #0f0f12;       /* hero background */
+--charcoal: #1a1a1f;  /* body text */
+--graphite: #2a2a30;  /* secondary text */
+--parchment: #f7f5f0; /* body background */
+--cream: #ebe7df;     /* card backgrounds */
+--bone: #d8d3c8;      /* borders */
+--stone: #9a958a;     /* muted text, labels */
+--ember: #c2512a;     /* primary accent */
+--ember-dim: #8a3a1f; /* ember hover state */
+--font-display: Cormorant, serif
+--font-body: Source Serif 4, serif
+--font-mono: IBM Plex Mono, monospace
+```
+
+All fonts loaded via `next/font/google` as CSS variables in `app/layout.tsx`.
+
+## Routes
+
+| Route | Type | Auth |
+|---|---|---|
+| `/` | Static | Public |
+| `/programs` | Server component (DB query) | Public |
+| `/enroll/[cohort]` | Server component | Public |
+| `/enroll/[cohort]/success` | Server component | Public |
+| `/signin` | Client component | Public |
+| `/auth/callback` | API route | Public |
+| `/cohort` | Server component | Protected |
+| `/cohort/profile` | Client component | Protected |
+| `/admin` | Server component | Protected (admin only) |
+| `/writing` | Static | Public |
+| `/api/checkout` | API route | Public |
+| `/api/webhooks/stripe` | API route | Stripe signature |
+
+## Environment Variables
+
+See `.env.local.example`. Required:
+- `NEXT_PUBLIC_SUPABASE_URL`
+- `NEXT_PUBLIC_SUPABASE_ANON_KEY`
+- `SUPABASE_SERVICE_ROLE_KEY` (server-only — never expose to client)
+- `NEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY`
+- `STRIPE_SECRET_KEY`
+- `STRIPE_WEBHOOK_SECRET`
+- `NEXT_PUBLIC_APP_URL`
+
+## Database
+
+Migrations in `supabase/migrations/`. Run in Supabase SQL Editor in order:
+1. `001_initial_schema.sql` — tables
+2. `002_rls_policies.sql` — row-level security
+3. `003_triggers.sql` — auto-create profile on signup
+
+Seed data in `supabase/seed.sql` — creates Cohort 2 record.
+
+## Critical Patterns
+
+### Post-Payment Auth Flow
+After Stripe checkout, the student has no Supabase session. Never redirect to `/cohort` directly from Stripe.
+Always redirect to `/enroll/[cohort]/success?session_id=...` which:
+1. Retrieves the Stripe session to get the student's email
+2. Sends a magic link to that email
+3. Shows "Check your email" message
+
+### Stripe Webhook Idempotency
+The webhook handler (`/api/webhooks/stripe`) checks for an existing `stripe_session_id` before inserting.
+Listens to `checkout.session.completed` (not `payment_intent.succeeded`) to cover 100% promo codes.
+
+### Admin Role
+Set `profiles.is_admin = true` via Supabase SQL editor:
+```sql
+update public.profiles set is_admin = true
+where id = (select id from auth.users where email = 'ag@unforced.org');
+```
+
+### Supabase Clients
+- `lib/supabase/client.ts` — browser client (use in `'use client'` components)
+- `lib/supabase/server.ts` → `createClient()` — server client with cookie handling
+- `lib/supabase/server.ts` → `createAdminClient()` — service role client (webhook + post-payment only)
+
+## Local Development
+
+```bash
+npm install
+cp .env.local.example .env.local
+# Fill in .env.local with Supabase + Stripe keys
+npm run dev
+```
+
+For Stripe webhooks locally:
+```bash
+stripe listen --forward-to localhost:3000/api/webhooks/stripe
+```
+
+## Key Files
+
+- `middleware.ts` — protects `/cohort` and `/admin` routes
+- `app/globals.css` — all styles (no Tailwind)
+- `app/layout.tsx` — fonts + Nav + Footer
+- `app/api/webhooks/stripe/route.ts` — enrollment on payment
+- `app/enroll/[cohort]/success/page.tsx` — post-payment magic link send

app/_components/Footer.tsx

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+export default function Footer() {
+  return (
+    <footer className="site-footer">
+      <p>
+        Techne Institute &bull; Part of{' '}
+        <a href="https://regenhub.xyz" target="_blank" rel="noopener noreferrer">
+          RegenHub
+        </a>{' '}
+        &bull; Boulder, Colorado &bull; 2026
+      </p>
+    </footer>
+  )
+}

app/_components/Nav.tsx

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+'use client'
+
+import Link from 'next/link'
+
+export default function Nav() {
+  return (
+    <nav className="site-nav">
+      <div className="nav-inner">
+        <Link href="/" className="nav-logo">
+          TECHNE
+        </Link>
+        <ul className="nav-links">
+          <li>
+            <Link href="/programs">Programs</Link>
+          </li>
+          <li>
+            <Link href="/writing">Writing</Link>
+          </li>
+          <li>
+            <Link href="/cohort">Cohort</Link>
+          </li>
+        </ul>
+        <Link href="/signin" className="nav-signin">
+          Sign In
+        </Link>
+      </div>
+    </nav>
+  )
+}