v0.1.0 – Initial Release

🚀 Initial Release – Instruction Pricing Engine

This package extracts the instruction pricing domain from the x-change host app into a reusable, standalone Laravel package.

Features

• InstructionItem model with tariff metadata
• InstructionItemRepository for data access
• InstructionCostEvaluator (core pricing engine)
• ChargeBreakdownData and ChargeEstimateData DTOs
• Support for:
  • inputs.fields.*
  • validation.*
  • cash.validation.*
  • slice fees
  • quantity-based pricing
  • system-user fee exemptions
• Factory and Seeder for canonical instruction indices
• Full Pest + Testbench test coverage

Purpose

This package serves as the pricing engine for:

• Pay Code issuance cost estimation
• Wallet affordability validation
• Tariff-based monetization in x-change

Status

✅ Production logic parity
✅ Fully tested
🔜 API layer (estimate endpoint)

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