wip: snapshot das alterações não commitadas (2026-10-20)

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.agent/skills/app-builder/tech-stack.md

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+# Tech Stack Selection (2026)
+
+> Default and alternative technology choices for web applications.
+
+## Default Stack (Web App - 2026)
+
+```yaml
+Frontend:
+  framework: Next.js 16 (Stable)
+  language: TypeScript 5.7+
+  styling: Tailwind CSS v4
+  state: React 19 Actions / Server Components
+  bundler: Turbopack (Stable for Dev)
+
+Backend:
+  runtime: Node.js 23
+  framework: Next.js API Routes / Hono (for Edge)
+  validation: Zod / TypeBox
+
+Database:
+  primary: PostgreSQL
+  orm: Prisma / Drizzle
+  hosting: Supabase / Neon
+
+Auth:
+  provider: Auth.js (v5) / Clerk
+
+Monorepo:
+  tool: Turborepo 2.0
+```
+
+## Alternative Options
+
+| Need | Default | Alternative |
+|------|---------|-------------|
+| Real-time | - | Supabase Realtime, Socket.io |
+| File storage | - | Cloudinary, S3 |
+| Payment | Stripe | LemonSqueezy, Paddle |
+| Email | - | Resend, SendGrid |
+| Search | - | Algolia, Typesense |