- Rewrite docs/automation/tasks.md to match repo doc style:
- Add cross-ref blockquote, TL;DR bullets, proper section pacing
- Replace ASCII lifecycle with a mermaid stateDiagram-v2
- Add <Tip> for heartbeat wake behavior
- Split CLI into individual subcommand sections (list/show/cancel/notify/audit)
- Tighten prose to 3-6 lines per section before a break
- Add "Status integration" section for task pressure
- Restructure "How tasks relate" with shorter, punchier subsections
- Fix comparison table link in cron-vs-heartbeat.md