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

2026/2026-07-09--bonfire-ground-zero.md

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+# Bonfire ground zero + gitbot (2026-07-09)
+
+## Stack
+
+| Item | Value |
+|------|--------|
+| Path | `/home/hernani/koopa-bonfire/` |
+| Containers | `koopa-bonfire`, `koopa-bonfire-db` |
+| Port | **9021** → Caddy `bonfire.hacktivism.ch` |
+| Image | `bonfirenetworks/bonfire:1.0.5-social-amd64` |
+| Env | secrets **64** chars; `DB_MIGRATE_INDEXES_CONCURRENTLY=false` |
+
+Ground zero: wiped volume + dir, clean migrate (import_me `20200828094944` applied, ~109 migrations, identity tables present).
+
+## Accounts
+
+| Login | Role |
+|-------|------|
+| `foss` / `foss@bonfire.hacktivism.ch` | operator account |
+| character `gitbot` | same account (multi-profile) |
+
+Passwords: `/home/hernani/koopa-bonfire/users.env` (mode 600).
+
+Public: https://bonfire.hacktivism.ch/
+
+## Gitbot (commit mirror)
+
+- Live: `~/koopa-bonfire/bin/gitbot-mirror.py`
+- Mirror in repo: `scripts/bonfire/gitbot-mirror.py`
+- State: `~/koopa-bonfire/gitbot-state.json`
+- Poll Forgejo every **300s** (`gitbot-mirror.service`); log `~/koopa-bonfire/gitbot.log`
+- No webhook — API only
+
+```bash
+systemctl --user status gitbot-mirror.service
+tail -20 ~/koopa-bonfire/gitbot.log
+python3 ~/koopa-bonfire/bin/gitbot-mirror.py
+```
+
+More: `2026/2026-07-11--bonfire-gitbot-systemd.md`.
+
+## Lessons
+
+- First boot needs **≥64-byte** `SECRET_KEY_BASE`.
+- Migrations: **`DB_MIGRATE_INDEXES_CONCURRENTLY=false`** on empty DB (avoids concurrent index in txn).
+- Partial DB → wipe volume and ground zero rather than patch half-migrated state.