# US Army Signal Transport Planning & Operations Tool

Welcome to the central technical documentation site for the US Army Signal Transport Planning & Operations Tool. This documentation provides complete architectural specifications, API schemas, security frameworks, and workflow designs.

## Documentation Structure

* [System Architecture](architecture/01_system_architecture.md): Compute profiles, memory targets, and client runtimes.
* [API & Protocols](protocols/02_api_and_protocols.md): Protocol Buffer v3 definitions and gRPC service interfaces.
* [Security & Defense](security/03_security_and_defense.md): Zero Trust architecture, OSI L1-L7 security stack, and RBAC rules.
* [Workflows & CRDT](workflows/04_workflows_and_crdt.md): Signal lifecycle workflow and multi-user offline CRDT synchronization engine.