Core Concepts¶

Purpose¶

Core Concepts explain OpenSESA runtime behavior and boundaries so contributors can make safe cross-module changes.

When To Use This Section¶

• before cross-domain refactors
• when debugging runtime behavior
• when planning architecture-impacting changes

Quick Links¶

• Platform Overview
• Architecture
• Domain Applications
• Runtime Modes
• Request Lifecycle
• Data and State Model
• Module Boundaries and Integration Rules
• Authentication and Authorization Architecture
• Known Constraints and Tradeoffs

Suggested Reading Paths¶

New contributor¶

1. Platform Overview
2. Architecture
3. Domain Applications
4. Module Boundaries and Integration Rules

Feature implementer¶

1. Runtime Modes
2. Request Lifecycle
3. Data and State Model
4. Authentication and Authorization Architecture

Incident responder¶

1. Runtime Modes
2. Request Lifecycle
3. Known Constraints and Tradeoffs
4. Operations Playbooks