C4 Architecture Document - Level 1: System Context (Landing Page)

This document describes the system context of the Sales Landing Page, focusing on supporting sales agents in presenting and initiating insurance policies.

1. System Overview

The Landing Page Sales Party is a web application that helps sales agents log in, manage customer data (OCR), and generate illustration boards (PDFs) for insurance products (UVL-IC, UVL-EL) across multiple devices.

2. Personas (Actors)

Sales Agent

Type: Primary User.
Description: Uses a Laptop or Mobile device to consult directly with customers.
Goal: Rapid data entry (OCR), instant presentation of illustration boards, and on-the-spot contract closure.
Key Features: Login, Scan ID Card, Select Product, View/Download PDF, Submit Application.

3. External Systems

API Authentication (Existing)

Role: Authenticates the Sales Agent's account.
Protocol: REST API / OIDC.

OCR Service

Role: Extracts customer information from ID Card images.
Protocol: REST API.

Illustration PDF API (PDF Engine)

Role: Calculates benefits and renders the illustration PDF file.
Protocol: REST API.

Core Insurance System (Core System)

Role: Receives the insurance application (upon Sales submission).
Protocol: REST/SOAP API.

4. System Context Diagram (C4 Context Diagram)

C4Context
    title System Context Diagram - Landing Page Sales Party

    Person(sales_agent, "Sales Agent", "Uses the Landing Page to consult and close deals.")

    System(landing_system, "Landing Page System", "Allows customer data entry, viewing illustrations, and submitting applications.")

    System_Ext(auth_api, "Auth API", "Sales account authentication system.")
    System_Ext(ocr_service, "OCR Service", "Extracts ID Card data.")
    System_Ext(pdf_engine, "PDF Generator API", "Generates the illustration PDF file.")
    System_Ext(core_system, "Core Insurance System", "Records the contract.")

    Rel(sales_agent, landing_system, "Accesses, inputs data, views PDF", "HTTPS")

    Rel(landing_system, auth_api, "Authenticates user", "REST/JSON")
    Rel(landing_system, ocr_service, "Sends ID image", "REST/JSON")
    Rel(landing_system, pdf_engine, "Sends data to fetch PDF", "REST/JSON")
    Rel(landing_system, core_system, "Submits application", "REST/JSON")

Authored by: Agent mbl-landing-page-architecture

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