Leadline Architecture Design

Architecture hub

Where LAD sits in the stack and what to read next

LAD describes how we structure front-end code (layers, features, modules, and boundaries). It does not replace service-level or infrastructure docs—those live under other tabs in this site.

Canonical entry points

TopicPage
Layers and rulesQuick start
Concepts and mental modelsDeep dive — core concepts
Naming and vocabularyTerms

System context

Client Back-end Web app HTTP API

For API contracts and integration, see Back-end. For auth and secure SDLC, see Security. For logs, metrics, and runbooks, see Observability.

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