Module Classification: - Core (4): core, tenancy, cms, customers - always enabled - Optional (7): payments, billing, inventory, orders, marketplace, analytics, messaging - Internal (2): dev-tools, monitoring - admin-only Key Changes: - Rename platform-admin module to tenancy - Promote CMS and Customers to core modules - Create new payments module (gateway abstractions) - Add billing→payments and orders→payments dependencies - Mark dev-tools and monitoring as internal modules New Infrastructure: - app/modules/events.py: Module event bus (ENABLED, DISABLED, STARTUP, SHUTDOWN) - app/modules/migrations.py: Module-specific migration discovery - app/core/observability.py: Health checks, Prometheus metrics, Sentry integration Enhanced ModuleDefinition: - version, is_internal, permissions - config_schema, default_config - migrations_path - Lifecycle hooks: on_enable, on_disable, on_startup, health_check New Registry Functions: - get_optional_module_codes(), get_internal_module_codes() - is_core_module(), is_internal_module() - get_modules_by_tier(), get_module_tier() Migrations: - zc*: Rename platform-admin to tenancy - zd*: Ensure CMS and Customers enabled for all platforms Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Generic single-database configuration.