v0.4.0

What’s New

Subscriptions

• Full lifecycle management: create, swap, cancel, resume
• Grace period cancellations with resume support
• Prorated plan switching via SubscriptionService
• Monthly and annual billing cycle support

Stripe Integration

• Webhook handling for 6 event types (idempotent & retry-safe)
• Signature verification with proper CSRF exemption
• Invoice sync from Stripe
• Lazy-loaded Stripe client for reduced API calls

Plan Management

• Multiple pricing tiers (monthly / annual)
• Configurable trial periods
• Feature definitions via PlanFeature
• Plan activation and deactivation

Frontend

• Pricing page with monthly/annual toggle
• Checkout flow
• Subscription dashboard and detail view
• Invoice history

Security & Data Integrity

• Policy-based authorization (user isolation)
• Atomic database transactions
• Race condition prevention
• Full PHP 8.3 type safety
• Audit trail via BillingEvent
• Webhook logging with retry support

Database

• 6 new tables:

  • subscription_plans
  • plan_prices
  • plan_features
  • customer_subscriptions
  • billing_events
  • webhook_logs

• 2 versioned migrations with constraints and integrity enforcement

Testing

• 100 passing tests
• Covers unit, feature, authorization, webhook, and transaction flows

Full Changelog

v0.3.1...v0.4.0