This PR introduces a single-file, enterprise-grade Marketplace + Audit + Settlement engine for pi-sdk-rails. The goal is to extend (not modify) the existing Pi SDK Rails engine with production-ready capabilities required by multi-merchant / marketplace applications, while keeping full backward compatibility.#1
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Clawue884 wants to merge 1 commit intopi-apps:mainfrom
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This PR introduces a single-file, enterprise-grade Marketplace + Audit + Settlement engine for pi-sdk-rails. The goal is to extend (not modify) the existing Pi SDK Rails engine with production-ready capabilities required by multi-merchant / marketplace applications, while keeping full backward compatibility.#1Clawue884 wants to merge 1 commit intopi-apps:mainfrom
Clawue884 wants to merge 1 commit intopi-apps:mainfrom
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Multi-merchant support
One Rails app → many merchants → many orders → unified Pi SDK
Immutable audit trail
Append-only audit logs for reconciliation & compliance
Transaction reconciliation engine
Detects incomplete, inconsistent, or invalid payment states
Automated settlement
Merchant balance crediting with configurable platform fee
Marketplace-ready routing
Explicit order → merchant → transaction resolution
Risk & safety checks
Merchant status & transaction sanity validation
Single-file implementation
Easy to review, easy to adopt, zero generator complexity
Architecture Highlights
Implemented as one Ruby file:
lib/pi_sdk_marketplace_audit.rb
Uses:
ActiveSupport::Concern for model extensions
Service-style engines (Reconciliation, Settlement, Risk)
No changes to existing Pi SDK protocol or callbacks
Automatically hooks into existing models if present (Merchant, Order, PiTransaction, etc.)