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What problem does it solve?

This skill provides a structured approach for implementing backend logic in a Next.js App Router, including DAL access, Zod validations, and server actions, ensuring data integrity and predictable revalidation.

Core Features & Use Cases

• Validation: Zod schemas with inferred TS types for strong typing
• DAL: Pure async Firestore-like data access with no external HTTP calls
• Actions: 'use server' server actions with signature export async function <name>(ctx, input)
• Idempotency & Audit: support Idempotency-Key and audit_logs for mutations
• Revalidation: call revalidatePath() for affected UI routes

Quick Start

Instantiate a backend feature by defining Validation, DAL, and Action layers, then configure idempotency, audits, and revalidation rules.