SlpSoftware/aidlc-docs/features/react-frontend/construction/react-frontend-app/functional-design/domain-entities.md

Domain Entities — react-frontend-app

Overview

This unit has no persisted backend entities. The "domain" here is the static content model and the theme model that drive rendering.

Entity Relationships

graph TD
    theme_pref["ThemePreference"]
    theme_tokens["ThemeTokens"]
    site_content["SiteContent"]
    nav_link["NavLink"]
    hero_content["HeroContent"]
    package_card["PackageCard"]
    process_step["ProcessStep"]
    about_content["AboutContent"]
    contact_info["ContactInfo"]

    theme_pref -->|"selects"| theme_tokens
    site_content -->|"has many"| nav_link
    site_content -->|"has one"| hero_content
    site_content -->|"has many"| package_card
    site_content -->|"has many"| process_step
    site_content -->|"has one"| about_content
    site_content -->|"has one"| contact_info

    classDef entity fill:#2196F3,stroke:#0d47a1,stroke-width:1px,color:#000;
    classDef value fill:#FF9800,stroke:#e65100,stroke-width:1px,color:#000;

    class theme_pref,site_content entity;
    class theme_tokens,nav_link,hero_content,package_card,process_step,about_content,contact_info value;

Text alternative: A ThemePreference selects a set of ThemeTokens; SiteContent aggregates NavLinks, one HeroContent, many PackageCards, many ProcessSteps, one AboutContent, and one ContactInfo (blue = stateful entity, orange = static value objects).

Entity Definitions

ThemePreference

Field	Type	Required	Description
value	'red' | 'purple'	Yes	Currently active theme; defaults to 'red' per BR-1
source	'stored' | 'default'	Yes	Whether the value came from localStorage or the default fallback

ThemeTokens

Field	Type	Required	Description
bg, surface, surfaceAlt, line, text, muted	string (hex)	Yes	Neutral palette tokens, taken 1-to-1 from the reference CSS variables
accent, accentSoft, accentLine	string (hex/rgba)	Yes	Accent palette tokens (red or purple variant), taken 1-to-1 from the reference CSS variables

NavLink

Field	Type	Required	Description
label	string	Yes	Link text (e.g. "Pakketten")
href	string	Yes	Anchor target (e.g. "#pakketten")
isCta	boolean	No	Marks the "Start project" call-to-action link

HeroContent

Field	Type	Required	Description
eyebrow	string	Yes	Small label above the heading
heading	string	Yes	Main H1 text
lead	string	Yes	Lead paragraph text
codeLine	string	Yes	The animated code-line snippet text

PackageCard

Field	Type	Required	Description
id	string	Yes	e.g. pakket_01
title	string	Yes	e.g. "Landingspagina"
description	string	Yes	Short description
price	string	Yes	e.g. "€ 300" or "Op maat"
priceNote	string	Yes	e.g. "eenmalig, excl. btw"
features	string[]	Yes	Bullet list of included features
ctaLabel	string	Yes	Button text
featured	boolean	No	Marks the "Meest gekozen" (most chosen) card

ProcessStep

Field	Type	Required	Description
label	string	Yes	e.g. "stap 01 — intake"
title	string	Yes	e.g. "Kennismaken"
description	string	Yes	Step description

AboutContent

Field	Type	Required	Description
paragraphs	string[]	Yes	About-section body paragraphs
techStack	{ label: string; value: string }[]	Yes	Tech-stack list items (Front-end, Back-end, API's, Focus)

ContactInfo

Field	Type	Required	Description
heading	string	Yes	Contact section heading
description	string	Yes	Contact section body text
email	string	Yes	info@slpsoftware.nl
mailSubject	string	Yes	Prefilled mailto subject