8 posts
A pip install fixed it. Then a measured bisect showed the line between working and breaking sat in a dependency, not in my code. And along the way, twelve copies of a five-line function became a single helper.
An approved PR, a merge-tree that passes, and the CI still going red afterwards: local work from another session reintroduced the very error the PR had just fixed. The guard that turns that into a rejection before the commit.
Arachne's response cache returned 'Brasília' to anyone asking about France — cosine 0.8531 against a 0.85 threshold. The story of a bug born in a CI investigation, the math that hid it, and the entity guard that fixed it without sacrificing recall.
When your engine runs AI-generated code, you need a sandbox that doesn't hinder development but won't let path traversal slip through.
YAML indentation, missing dependencies, tests that need a running server — the classic pipeline debugging spiral.
The simple scraper became a platform. Crawl4AI Sidecar, automatic 4-layer fallback, and SQLite cache with FTS5.
The real story of how a 200-line Python scraper became a platform with 740+ files, RAG, visual pipelines and 36 ReAct tools.
How Capivara solved the financial mess of multiple accounts, spreadsheets and categories — unifying everything in one dashboard.