docs: new root as prior history lost (orphan + GC); ~215 commits not recoverable

2026/2026-07-11--bonfire-gitbot-systemd.md

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+# Bonfire gitbot + boot (2026-07-11)
+
+After `2026/2026-07-09--bonfire-ground-zero.md`.
+
+## Problems
+
+- Bare hostnames in commit text crash `createPost` (`URI.parse/1`).
+- No webhook; bot polls git.ngi-0.eu every 300s.
+- Stack did not start on boot.
+
+## Fix
+
+- `gitbot-mirror.py`: prefix bare hosts, fallback post, skip after 3 fails.
+- User systemd: `gitbot-mirror.service`, `container-koopa-bonfire-*.service` (`podman-compose up -d`).
+- Install: `scripts/bonfire/install-systemd.sh`
+
+**Official:** [Hosting guide](https://docs.bonfirenetworks.org/deploy.html) recommends Co-op Cloud; we run podman-compose on koopa (ops choice, not upstream path).  
+GraphQL `createPost`: [API reference](https://docs.bonfirenetworks.org/api-reference.html) — no official gitbot mirror doc; custom script.
+
+## Ops
+
+```bash
+systemctl --user status container-koopa-bonfire-db.service container-koopa-bonfire.service gitbot-mirror.service
+tail -30 ~/koopa-bonfire/gitbot.log
+python3 ~/koopa-bonfire/bin/gitbot-mirror.py
+```