feat: Initial Diabetix application commit

- Add authentication with NextAuth v5 (credentials + email verification)
- Implement dashboard with glycemia tracking and AI analysis
- Add PDF report generation for Premium users
- Implement Stripe integration for Premium subscriptions
- Add responsive UI with Tailwind CSS and shadcn components
- Database schema with Prisma ORM and PostgreSQL support
- Real-time glycemia visualization with Recharts
- Mobile-optimized entry form
- User profile management with medical information
- Subscription lifecycle management (create, cancel, webhook)
- Email notifications with Resend
- Feature gates for Free vs Premium plans

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

prisma/seed.ts

@@ -0,0 +1,51 @@
+import path from "node:path";
+import { PrismaClient } from "../src/generated/prisma/client";
+import { PrismaBetterSqlite3 } from "@prisma/adapter-better-sqlite3";
+import "dotenv/config";
+
+const databaseUrl =
+  process.env.DATABASE_URL ?? `file:${path.resolve("prisma/dev.db")}`;
+
+const prisma = new PrismaClient({
+  adapter: new PrismaBetterSqlite3({ url: databaseUrl }),
+});
+
+const moments = [
+  { key: "FASTING", hour: 7, baseMin: 0.85, baseMax: 1.25 },
+  { key: "LUNCH", hour: 14, baseMin: 1.05, baseMax: 1.75 },
+  { key: "DINNER", hour: 21, baseMin: 1.0, baseMax: 1.7 },
+] as const;
+
+function rand(min: number, max: number) {
+  return min + Math.random() * (max - min);
+}
+
+async function main() {
+  await prisma.reading.deleteMany();
+
+  const today = new Date();
+  today.setHours(0, 0, 0, 0);
+  const data: { measuredAt: Date; moment: string; value: number; notes: string | null }[] = [];
+
+  for (let day = 29; day >= 0; day--) {
+    for (const m of moments) {
+      const d = new Date(today.getTime() - day * 86_400_000);
+      d.setHours(m.hour, Math.floor(Math.random() * 30), 0, 0);
+      let value = rand(m.baseMin, m.baseMax);
+      // Quelques valeurs aberrantes pour montrer hypo / hyper
+      if (Math.random() < 0.05) value = rand(0.5, 0.68);
+      if (Math.random() < 0.05) value = rand(1.85, 2.4);
+      data.push({
+        measuredAt: d,
+        moment: m.key,
+        value: Math.round(value * 100) / 100,
+        notes: Math.random() < 0.15 ? "Bonne forme" : null,
+      });
+    }
+  }
+
+  await prisma.reading.createMany({ data });
+  console.log(`✓ ${data.length} relevés générés.`);
+}
+
+main().finally(() => prisma.$disconnect());