graph TD
    subgraph Clients
        SPA[React SPA]
        Mobile[Mobile App]
        Desktop[Desktop App]
    end

    subgraph Server["server (composition root)"]
        Main[main.rs]
        Factory[factory.rs]
        Scheduler[Reminder Scheduler<br/>tokio interval 60s]
    end

    subgraph Adapters
        subgraph Driving["Driving (Primary)"]
            HTTP[http-axum<br/>REST API + SPA serving]
        end

        subgraph Driven["Driven (Secondary)"]
            SQLite[sqlite<br/>Persistence]
            Auth[auth<br/>JWT + Argon2]
            Storage[storage<br/>Local FS / S3]
            WebPush[web-push<br/>VAPID + Web Push API]
            EventPub[event-publisher<br/>tokio mpsc]
            Importer[importer<br/>Daylio CSV / Generic]
            Exporter[exporter<br/>ZIP + JSON]
        end
    end

    subgraph Application["application (use cases)"]
        EntryUC[Entry Use Cases<br/>create / update / delete / list<br/>filter / stats / calendar<br/>bulk delete / replace activity]
        ActivityUC[Activity Use Cases<br/>CRUD / archive / rename<br/>set category]
        UserUC[User Use Cases<br/>register / login / logout<br/>refresh / change password<br/>update profile / delete / clear data]
        MediaUC[Media Use Cases<br/>upload / delete<br/>photo / voice memo]
        PushUC[Push Use Cases<br/>subscribe / unsubscribe]
        ImportUC[Import / Export<br/>import entries<br/>export user data]
        ReminderUC[Reminder Use Cases<br/>CRUD / process due]
    end

    subgraph Domain["domain (pure business logic)"]
        subgraph Entities
            MoodEntry[MoodEntry<br/>aggregate root]
            Activity[Activity]
            User[User]
            Reminder[Reminder]
            PushSubscription[PushSubscription]
            RefreshSession[RefreshSession]
        end

        subgraph ValueObjects["Value Objects"]
            Mood[Mood<br/>1-5 scale]
            Content[Content]
            DateRange[DateRange]
            ActivityName[ActivityName]
            CategoryName[CategoryName]
            DisplayName[DisplayName]
            Timezone[Timezone]
            ContentType[ContentType]
            MediaUpload[MediaUpload]
        end

        subgraph Ports["Ports (async traits)"]
            EntryPorts[MoodEntryCommandPort<br/>MoodEntryQueryPort]
            ActivityPorts[ActivityCommandPort<br/>ActivityQueryPort]
            UserPorts[UserCommandPort<br/>UserQueryPort]
            ReminderPorts[ReminderCommandPort<br/>ReminderQueryPort<br/>ReminderSenderPort]
            PushPorts[PushSubscriptionCommandPort<br/>PushSubscriptionQueryPort]
            CascadePorts[CascadeDeletePort]
            AuthPorts[AuthServicePort<br/>PasswordHasherPort<br/>RefreshSessionCommandPort<br/>RefreshSessionQueryPort]
            MediaPort[MediaStoragePort]
            EventPort[EventPublisherPort]
            ImportExportPorts[ImportSourcePort<br/>ExportPort]
        end

        Services[MoodAnalyzerService<br/>average / frequency<br/>streak / correlation]
        Events[Domain Events<br/>EntryCreated / Updated / Deleted<br/>ActivityCreated / Archived<br/>UserRegistered]
    end

    subgraph Config["config"]
        ServerCfg[ServerConfig]
        AuthCfg[AuthConfig]
        PushCfg[PushConfig]
        StorageCfg[StorageConfig]
        EntryCfg[EntryConfig]
        PresetCfg[PresetConfig]
    end

    subgraph ApiTypes["api-types"]
        Requests[Request DTOs]
        Responses[Response DTOs]
    end

    SPA -->|HTTP| HTTP
    Mobile -->|HTTP| HTTP
    Desktop -->|HTTP| HTTP

    Main --> Factory
    Main --> Scheduler
    Factory --> HTTP
    Factory --> SQLite
    Factory --> Auth
    Factory --> Storage
    Factory --> WebPush
    Factory --> EventPub
    Factory --> Importer
    Factory --> Exporter

    Scheduler --> ReminderUC

    HTTP --> EntryUC
    HTTP --> ActivityUC
    HTTP --> UserUC
    HTTP --> MediaUC
    HTTP --> PushUC
    HTTP --> ImportUC
    HTTP --> ReminderUC
    HTTP --> ApiTypes

    EntryUC --> EntryPorts
    EntryUC --> MediaPort
    EntryUC --> CascadePorts
    EntryUC --> EventPort
    ActivityUC --> ActivityPorts
    ActivityUC --> EventPort
    UserUC --> UserPorts
    UserUC --> AuthPorts
    UserUC --> MediaPort
    UserUC --> CascadePorts
    UserUC --> EntryPorts
    MediaUC --> MediaPort
    PushUC --> PushPorts
    ImportUC --> ImportExportPorts
    ImportUC --> EntryPorts
    ImportUC --> ActivityPorts
    ReminderUC --> ReminderPorts

    EntryUC --> Services

    SQLite -.->|implements| EntryPorts
    SQLite -.->|implements| ActivityPorts
    SQLite -.->|implements| UserPorts
    SQLite -.->|implements| ReminderPorts
    SQLite -.->|implements| PushPorts
    SQLite -.->|implements| CascadePorts
    SQLite -.->|implements| AuthPorts
    Auth -.->|implements| AuthPorts
    Storage -.->|implements| MediaPort
    WebPush -.->|implements| ReminderPorts
    EventPub -.->|implements| EventPort
    Importer -.->|implements| ImportExportPorts
    Exporter -.->|implements| ImportExportPorts

    classDef domain fill:#2d4a22,stroke:#4a7c34,color:#fff
    classDef application fill:#2a3d5c,stroke:#4a6fa5,color:#fff
    classDef adapter fill:#4a3d2a,stroke:#a57a4a,color:#fff
    classDef server fill:#3d2a4a,stroke:#7a4aa5,color:#fff
    classDef client fill:#2a4a4a,stroke:#4aa5a5,color:#fff
    classDef config fill:#4a4a2a,stroke:#a5a54a,color:#fff

    class MoodEntry,Activity,User,Reminder,PushSubscription,RefreshSession,Mood,Content,DateRange,ActivityName,CategoryName,DisplayName,Timezone,ContentType,MediaUpload,EntryPorts,ActivityPorts,UserPorts,ReminderPorts,PushPorts,CascadePorts,AuthPorts,MediaPort,EventPort,ImportExportPorts,Services,Events domain
    class EntryUC,ActivityUC,UserUC,MediaUC,PushUC,ImportUC,ReminderUC application
    class HTTP,SQLite,Auth,Storage,WebPush,EventPub,Importer,Exporter adapter
    class Main,Factory,Scheduler server
    class SPA,Mobile,Desktop client
    class ServerCfg,AuthCfg,PushCfg,StorageCfg,EntryCfg,PresetCfg config
    class Requests,Responses adapter