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Latest · Development

Rebuilding our booking chatbot around a decision model

In the old version of our booking chatbot, about half of all messages went through an LLM. Now it’s about one in ten. Most of the rest are handled by Jev, a model that doesn’t write anything and only picks from the answers we give it.

Ivan Development 15 October 2026 · 5 min read

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157660a 2 October

Add twice-weekly Postgres backup for app-db

Co-Authored-By: Claude
```
registry/instances/app-db.yml+id: app-db+type: postgres-selfhosted+enabled: true++schedules:+  postgres_backup:+    cron: "30 2 * * 1,4"+  postgres_check:+    cron: "50 7 * * 1,4"
```
Development · 6 min read

Setting up our database backups so a coding agent can maintain them

Our backups for self-hosted Supabase and Postgres are configured in a Git repository rather than in a dashboard, so a coding agent has everything it needs to change them. Four months after we last touched the code, adding a new database took about five minutes.

Ivan Development 12 October 2026
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What we’re reading, building and thinking about.

Rebuilding our booking chatbot around a decision model

Setting up our database backups so a coding agent can maintain them

More notes on the way.

Tell us what you’re building and where it’s stuck.