Concepts

Core concepts and architecture of CLEO

Concepts

Understand the principles and architecture behind CLEO.

Vision

CLEO’s mission and philosophy

Task Hierarchy

Epic → Task → Subtask structure

Sessions

Multi-session architecture

Phases

Project phase management

Architecture

Data Flows

How data moves through CLEO

Anti-Hallucination

Validation and integrity checks

Key Principles

Principle	Description
JSON First	All output is structured JSON when piped
Atomic Operations	All writes use temp→validate→backup→rename
Anti-Hallucination	Schema validation on every operation
Context Persistence	State survives across conversations
No Time Estimates	Focus on scope, not duration