platform/docs/assets/diagrams/architecture/system_overview.mmd

graph TB
    %% Core System
    subgraph Core ["Core System"]
        App[Application]
        Container[Container]
        Events[Events]
        Pipeline[Pipeline]
        
        App --> Container
        App --> Events
        App --> Pipeline
    end
    
    %% HTTP Layer
    subgraph HTTP ["HTTP Layer"]
        Server[HTTP Server]
        Kernel[HTTP Kernel]
        Router[Router]
        Controller[Controller]
        
        Server --> Kernel
        Kernel --> Router
        Router --> Controller
    end
    
    %% Service Layer
    subgraph Services ["Service Layer"]
        Config[Config]
        Cache[Cache]
        Queue[Queue]
        DB[Database]
        
        Config --> Container
        Cache --> Container
        Queue --> Events
        DB --> Events
    end
    
    %% Infrastructure
    subgraph Infrastructure ["Infrastructure"]
        FileSystem[FileSystem]
        Process[Process]
        Bus[Command Bus]
        Model[Model]
        
        FileSystem --> Container
        Process --> Queue
        Bus --> Queue
        Model --> Events
    end
    
    %% Request Flow
    Server --> App
    Controller --> Services
    Services --> Infrastructure
    
    %% Event Flow
    Events --> Queue
    Queue --> Process
    Events --> Bus
    
    %% Service Provider Registration
    Container --> Services
    Container --> Infrastructure
    
    %% Middleware Pipeline
    Pipeline --> HTTP
    Pipeline --> Services
    
    %% Testing Integration
    subgraph Testing ["Testing"]
        TestCase[TestCase]
        HttpTest[HTTP Tests]
        DBTest[DB Tests]
        EventTest[Event Tests]
        
        TestCase --> App
        HttpTest --> Server
        DBTest --> DB
        EventTest --> Events
    end
    
    %% Style Definitions
    classDef core fill:#f9f,stroke:#333,stroke-width:2px
    classDef http fill:#bbf,stroke:#333,stroke-width:2px
    classDef service fill:#bfb,stroke:#333,stroke-width:2px
    classDef infra fill:#fbb,stroke:#333,stroke-width:2px
    classDef test fill:#fff,stroke:#333,stroke-width:2px
    
    %% Apply Styles
    class App,Container,Events,Pipeline core
    class Server,Kernel,Router,Controller http
    class Config,Cache,Queue,DB service
    class FileSystem,Process,Bus,Model infra
    class TestCase,HttpTest,DBTest,EventTest test
    
    %% Relationships
    linkStyle default stroke:#333,stroke-width:2px
    
    %% Notes
    %% Core System handles application lifecycle
    %% HTTP Layer processes web requests
    %% Service Layer provides business functionality
    %% Infrastructure provides system services
    %% Testing ensures system quality