%%{init: {'theme': 'dark', 'themeVariables': {'primaryColor': '#1f6feb', 'primaryTextColor': '#e6edf3', 'lineColor': '#30363d', 'secondaryColor': '#161b22', 'tertiaryColor': '#0d1117'}}}%%
graph TD
    subgraph "🎮  User Interfaces"
        A["🎮 Discord Bot<br/><sub>TodoMaster AI</sub>"]
        C["🌐 Next.js Frontend<br/><sub>React Dashboard</sub>"]
    end

    subgraph "⚙️ &nbsp;Core Platform"
        B["⚡ FastAPI Backend<br/><sub>+ Dapr Sidecar</sub>"]
        I["🛡️ Constitutional AI<br/><sub>Safety Middleware</sub>"]
    end

    subgraph "💾 &nbsp;Data Layer"
        D["🗄️ PostgreSQL 15<br/><sub>StatefulSet</sub>"]
        H["📦 Redis 7<br/><sub>State Store</sub>"]
    end

    subgraph "📡 &nbsp;Event Streaming"
        E["📡 Apache Kafka<br/><sub>Strimzi KRaft</sub>"]
        F["🔔 Notification<br/><sub>Service</sub>"]
    end

    subgraph "📊 &nbsp;Observability"
        G["📊 Prometheus<br/><sub>Metrics</sub>"]
    end

    A -->|REST API| B
    C -->|REST API| B
    I -->|Block · Flag · Allow| B
    B -->|SQL| D
    B -->|State| H
    B -->|Dapr Pub/Sub| E
    E --> F
    G -->|Scrape| B
    G -->|Scrape| F

    style A fill:#5865F2,color:#fff,stroke:#5865F2,stroke-width:2px
    style C fill:#000000,color:#fff,stroke:#30363d,stroke-width:2px
    style B fill:#009688,color:#fff,stroke:#009688,stroke-width:2px
    style I fill:#EF4444,color:#fff,stroke:#EF4444,stroke-width:2px
    style D fill:#336791,color:#fff,stroke:#336791,stroke-width:2px
    style H fill:#DC382D,color:#fff,stroke:#DC382D,stroke-width:2px
    style E fill:#231f20,color:#fff,stroke:#30363d,stroke-width:2px
    style F fill:#4ECDC4,color:#fff,stroke:#4ECDC4,stroke-width:2px
    style G fill:#e6522c,color:#fff,stroke:#e6522c,stroke-width:2px