The flowchart pattern for backend code — self-explainable systems that AI can reason about. Causal traces, auto-generated tool descriptions, transactional state.

Causal Processing Unit: permission-first engine for cause→commit→execute pipelines (Gate/Incubator/vCML).

Reactive harness layer for agent workflows. Describe automations in plain language, trace every decision, enforce policies, persist checkpoints. TypeScript. Zero dependencies.

GraphReFly — reactive harness layer for agent workflows. Describe automations in plain language, trace every decision, persist checkpoints. Cross-language spec. Implementations: graphrefly-ts (TypeScript), graphrefly-py (Python).

Reactive harness layer for agent workflows. Describe automations in plain language, trace every decision, enforce policies, persist checkpoints. Python. Zero dependencies.