{
  "_meta": {
    "name": "WellNuo - System Analysis",
    "updatedAt": "2025-12-12T20:50:16.574Z"
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      "title": "Mobile Client",
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      "tags": [
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      ],
      "description": "Stack: React Native, Expo, TypeScript\n\nModules:\n- Conversation Manager\n- UI Components\n- Storage Manager\n- API Client",
      "x": 520,
      "y": 145
    },
    {
      "id": "backend_server",
      "type": "card",
      "title": "Backend Server",
      "borderColor": "blue",
      "tags": [
        "backend"
      ],
      "description": "Stack: Node.js, Express.js\n\nModules:\n- Auth Service\n- User Management\n- Chat API\n- Integration Layer",
      "x": 900,
      "y": 260
    },
    {
      "id": "ai_processing",
      "type": "card",
      "title": "AI Processing Layer",
      "borderColor": "orange",
      "tags": [
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      ],
      "description": "Provider: OpenRouter\n\nCapabilities:\n- Natural Language Processing\n- Intent Recognition\n- Response Generation",
      "x": 645.85302734375,
      "y": 431.2110595703125
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    {
      "id": "data_layer",
      "type": "card",
      "title": "Data Layer",
      "borderColor": "blue",
      "tags": [
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      ],
      "description": "Primary: PostgreSQL\nCache: Redis\nORM: Prisma\n\nData:\n- Users\n- Conversations\n- Settings",
      "x": 1280,
      "y": 375
    },
    {
      "id": "tech_mobile",
      "type": "card",
      "title": "Mobile Tech Spec",
      "borderColor": "teal",
      "tags": [
        "frontend",
        "tech"
      ],
      "description": "Framework: React Native + Expo SDK 54\nLanguage: TypeScript\nNavigation: Expo Router\nStorage: SecureStore + AsyncStorage",
      "x": 1660,
      "y": 145
    },
    {
      "id": "tech_backend",
      "type": "card",
      "title": "Backend Tech Spec",
      "borderColor": "teal",
      "tags": [
        "backend",
        "tech"
      ],
      "description": "Runtime: Node.js 18+\nAPI: RESTful\nAuth: JWT + OAuth 2.0\nDocs: Swagger/OpenAPI",
      "x": 1660,
      "y": 260
    },
    {
      "id": "tech_database",
      "type": "card",
      "title": "Database Tech Spec",
      "borderColor": "teal",
      "tags": [
        "backend",
        "tech"
      ],
      "description": "Primary: PostgreSQL 14+\nCache: Redis 7+\nORM: Prisma\nBackups: Daily + PITR",
      "x": 1660,
      "y": 375
    },
    {
      "id": "performance",
      "type": "card",
      "title": "Performance Requirements",
      "borderColor": "gray",
      "tags": [
        "requirements"
      ],
      "description": "Response Times:\n- UI: < 100ms\n- API: < 500ms\n- AI: < 2000ms\n\nAvailability: 99.9%",
      "x": 2040,
      "y": 260
    },
    {
      "id": "security",
      "type": "card",
      "title": "Security Architecture",
      "borderColor": "red",
      "tags": [
        "security"
      ],
      "description": "Encryption: AES-256\nAuth: JWT + refresh\nAPI: Rate limiting\nCompliance: GDPR",
      "x": 2420,
      "y": 260
    },
    {
      "id": "privacy",
      "type": "card",
      "title": "Privacy Requirements",
      "borderColor": "red",
      "tags": [
        "security"
      ],
      "description": "- Data minimization\n- Explicit consent\n- Right to deletion\n- Data portability",
      "x": 2800,
      "y": 260
    },
    {
      "id": "monitoring",
      "type": "card",
      "title": "Monitoring",
      "borderColor": "blue",
      "tags": [
        "backend"
      ],
      "description": "Metrics: APM, Business, Infra\nLogging: Structured JSON\nAlerting: Email/Slack",
      "x": 3180,
      "y": 260
    },
    {
      "id": "risks",
      "type": "card",
      "title": "Risk Assessment",
      "borderColor": "yellow",
      "tags": [
        "overview"
      ],
      "description": "Tech Risks:\n- AI latency → Multiple providers\n- Offline limits → Progressive sync\n\nBusiness:\n- AI costs → Quotas\n- Privacy → By design",
      "x": 3560,
      "y": 260
    }
  ],
  "connections": [
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      "label": "frontend"
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      "to": "backend_server",
      "label": "backend"
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    {
      "from": "header",
      "to": "ai_processing",
      "label": "AI"
    },
    {
      "from": "mobile_client",
      "to": "backend_server",
      "label": "API"
    },
    {
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      "to": "data_layer"
    },
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      "to": "tech_mobile"
    },
    {
      "from": "backend_server",
      "to": "tech_backend"
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    {
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    {
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      "to": "performance"
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    {
      "from": "tech_backend",
      "to": "performance"
    },
    {
      "from": "tech_database",
      "to": "performance"
    },
    {
      "from": "performance",
      "to": "security"
    },
    {
      "from": "security",
      "to": "privacy"
    },
    {
      "from": "privacy",
      "to": "monitoring"
    },
    {
      "from": "monitoring",
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      "id": "tag-overview",
      "name": "overview",
      "color": "purple"
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    {
      "id": "tag-frontend",
      "name": "frontend",
      "color": "green"
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    {
      "id": "tag-backend",
      "name": "backend",
      "color": "blue"
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      "id": "tag-external",
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