Changelog

All notable changes to this project are documented in this file.

[0.1.0] — 2026-04-05

Initial public release — reference implementation of the Quadro pattern language.

Core patterns (fully implemented)

QuadroBoard — durable board with SQLite backend, validated lifecycle transitions, and an immutable append-only event log
ChiefAgent — reactive coordinator with pending-wake serialization, chief telemetry, and a fluent builder API
WorkerAgent — stateless worker with hydration, heartbeat posting, reviewer mode, and a fluent builder API
WorkerPool — fluent builder for pools of workers grouped by capability
Ombudsman — stale heartbeat detection for standard and custom lifecycle profiles
LocalA2ANetwork — in-process A2A transport for testing and single-process use
RunLoop — thin wrapper for coordinated startup and teardown
serve_board() / Board UI — zero-dependency live Kanban at localhost:8080

Lifecycle profiles

review_required — UNASSIGNED → IN_PROGRESS → PENDING_REVIEW → APPROVED → COMPLETE
fast — UNASSIGNED → IN_PROGRESS → COMPLETE
Custom profiles via build_custom_profile()

Examples

examples/newsroom_cooperation.py — multi-agent newsroom with ideation, research, writing, and review phases
examples/ordering_system.py — order lifecycle with board data as inventory

Known gaps (planned for future releases)