Business Architecture

graph TB
    subgraph "Wellness Digital Twin - Business Capabilities"
        subgraph "User Engagement Capabilities"
            UE1[Conversational AI<br/>Chat Interface]
            UE2[Personalized<br/>Recommendations]
            UE3[Progress<br/>Tracking]
            UE4[Goal<br/>Management]
            UE5[Habit<br/>Formation]
        end

        subgraph "Wellness Domain Capabilities"
            WD1[Nutrition<br/>Management]
            WD2[Exercise<br/>Planning]
            WD3[Sleep<br/>Optimization]
            WD4[Stress<br/>Management]
            WD5[Hydration<br/>Tracking]
            WD6[Mental<br/>Wellness]
        end

        subgraph "Intelligence Capabilities"
            IC1[Energy<br/>Prediction]
            IC2[Pattern<br/>Recognition]
            IC3[Behavioral<br/>Insights]
            IC4[Meal Timing<br/>Optimization]
            IC5[Proactive<br/>Recommendations]
        end

        subgraph "Integration Capabilities"
            INT1[Wearable Device<br/>Integration]
            INT2[Calendar<br/>Synchronization]
            INT3[Health Data<br/>Aggregation]
            INT4[Third-Party<br/>APIs]
        end

        subgraph "Data & Memory Capabilities"
            DM1[Conversation<br/>Memory]
            DM2[User<br/>Preferences]
            DM3[Knowledge<br/>Graph]
            DM4[Historical<br/>Analytics]
        end

        subgraph "Platform Capabilities"
            PC1[Authentication &<br/>Security]
            PC2[Multi-Channel<br/>Access]
            PC3[Real-Time<br/>Streaming]
            PC4[Scalable<br/>Infrastructure]
        end
    end

    style UE1 fill:#e3f2fd
    style UE2 fill:#e3f2fd
    style UE3 fill:#e3f2fd
    style UE4 fill:#e3f2fd
    style UE5 fill:#e3f2fd

    style WD1 fill:#f3e5f5
    style WD2 fill:#f3e5f5
    style WD3 fill:#f3e5f5
    style WD4 fill:#f3e5f5
    style WD5 fill:#f3e5f5
    style WD6 fill:#f3e5f5

    style IC1 fill:#e8f5e9
    style IC2 fill:#e8f5e9
    style IC3 fill:#e8f5e9
    style IC4 fill:#e8f5e9
    style IC5 fill:#e8f5e9

    style INT1 fill:#fff3e0
    style INT2 fill:#fff3e0
    style INT3 fill:#fff3e0
    style INT4 fill:#fff3e0

    style DM1 fill:#fce4ec
    style DM2 fill:#fce4ec
    style DM3 fill:#fce4ec
    style DM4 fill:#fce4ec

    style PC1 fill:#e0f2f1
    style PC2 fill:#e0f2f1
    style PC3 fill:#e0f2f1
    style PC4 fill:#e0f2f1

graph TB
    subgraph "External Actors"
        User[👤 End User<br/>Wellness Seeker]
        Admin[👔 System Admin<br/>Platform Manager]
        Clinician[⚕️ Healthcare Provider<br/>Optional Integration]
    end

    subgraph "Wellness Digital Twin System"
        WDT[🌸 S.A.K.U.R.A.<br/>Wellness Digital Twin]
    end

    subgraph "External Systems & Services"
        Oura[⌚ Oura Ring API<br/>Biometric Data]
        Dexcom[💉 Dexcom API<br/>Glucose Monitoring]
        GCal[📅 Google Calendar<br/>Schedule Management]
        Weather[🌤️ Weather API<br/>Environmental Data]
        Gemini[🧠 Google Gemini<br/>AI/LLM Service]
        GCP[☁️ Google Cloud<br/>Infrastructure]
    end

    User -->|Chat, Track Data,<br/>Set Goals| WDT
    WDT -->|Recommendations,<br/>Insights, Guidance| User

    Admin -->|Configure, Monitor,<br/>Manage| WDT
    WDT -->|System Status,<br/>Analytics| Admin

    Clinician -.->|Review Data<br/>Optional| WDT
    WDT -.->|Health Reports<br/>Optional| Clinician

    WDT <-->|Sync Biometric<br/>Data| Oura
    WDT <-->|Sync Glucose<br/>Data| Dexcom
    WDT <-->|Event Sync,<br/>Optimization| GCal
    WDT -->|Fetch Weather<br/>Conditions| Weather
    WDT <-->|AI Inference,<br/>Responses| Gemini
    WDT <-->|Hosting,<br/>Storage| GCP

    style User fill:#e3f2fd
    style Admin fill:#fff3e0
    style Clinician fill:#f3e5f5
    style WDT fill:#ffebee
    style Oura fill:#e8f5e9
    style Dexcom fill:#e8f5e9
    style GCal fill:#e8f5e9
    style Weather fill:#e8f5e9
    style Gemini fill:#e1f5fe
    style GCP fill:#e1f5fe