Case study / 05
WhatsApp Publishing
Automation
A local-first automation service for repeatable, reviewable WhatsApp content delivery.
Type
Publishing automation
Platform
Local-first service
Status
Built local automation
Stack
Node.js · TypeScript · SQLite · Baileys
Overview
Recurring WhatsApp publishing needs predictable scheduling, duplicate prevention, and recovery — not manual sends.
ChronoQuill runs local-first: deterministic quote ingestion and scheduled delivery with persistent auth, inbound reply capture, and systemd-managed operation.
System architecture
Ingest
Deterministic quotes
Schedule
Predictable publishing
Transport
Baileys
State
SQLite
Ops
CLI + systemd
Recovery
Missed-send retry
Problem
Manual WhatsApp publishing is unpredictable, error-prone, and unverifiable.
What it does
- Deterministic quote ingestion
- Scheduled publishing
- Duplicate prevention
- Missed-send recovery
- Inbound reply capture
- Reviewable operations
What this proves
- Workflow automation with deterministic scheduling.
- Operational tooling for a real messaging channel.
- CLI and service design discipline.
- Local-first automation that runs without a cloud dependency.