## What
Add emoji reactions guidance to the default AGENTS.md template.
## Why
Reactions are a natural, human-like way to acknowledge messages without cluttering chat. This should be default behavior.
## Testing
- Tested locally on Discord DM ✅
- Tested locally on Discord guild channel ✅
## AI-Assisted
This change was drafted with help from my Clawdbot instance (Clawd 🦞).
We tested the behavior together before submitting.
- New docs/automation/cron-vs-heartbeat.md with complete guidance
- Cross-links from heartbeat.md and cron-jobs.md
- Updated AGENTS.md template with practical guidance
- Added navigation entry in docs.json
