architecture-paradigm-microkernel

# The Microkernel (Plugin) Architecture Paradigm ## When To Use - Building extensible systems with plugin architectures - Products requiring customer-specific customizations ## When NOT To Use - Monolithic applications without plugin extensibility needs - Systems where all features are core and tightly coupled by design ## When to Employ This Paradigm - When building platforms, Integrated Development Environments (IDEs), data ingestion pipelines, or marketplaces where third parties need to extend core functionality. - When the core system requires extreme stability, while extensions and features must evolve and change rapidly. - When isolating optional dependencies and sandboxing untrusted code provided by plugins is critical. ## Adoption Steps 1. **Define Core Services**: Clearly delineate the minimal responsibilities of the microkernel, such as scheduling, component lifecycle management, core domain primitives, and messaging. 2. **Specify the Plugin Contract**: Design and document the formal contract for all plugins, including registration procedures, capability descriptors, lifecycle hooks (e.g., start, stop), and the permission model. 3. **Build the Extension Loader and Sandbox**: Implement the mechanisms for loading extensions, performing version compatibility checks, negotiating capabilities, and isolating plugins to prevent failures from cascading. 4. **Provide a Software Development Kit (SDK)**: To facilitate plugin development, provide an SDK with project temp...