Once you delegate to agents, you always have two or three branches in flight. A plain `git checkout` breaks everything: stash, Docker stack restart, ports fighting each other. Here's the layout that unblocked me — and what it actually costs.
LangChain ships deepagents: the four building blocks I've been repeating for three months, named and packaged. I test them on a real personal need — a banking companion, my statement PDFs kept local, a real chat UI — and find out the pillar that matters isn't the one I expected.
No crash, no log, just white. Three different causes, one symptom — plus the 4th bug that made the other three impossible to debug: my safety net had a hole in it.
OpenRouter just shipped Fusion: instead of querying one model, you query several in parallel and a judge synthesizes. The result: three cheap models nearly reach Fable 5's level at half the price. For an indie, that's value right now.
Freelance developer based in Réunion Island, +2h from Paris, fully remote. Spoiler: the time difference changed nothing. What mattered was the backend architecture I laid down for a team that had to scale — DDD, microservices decomposition, guidelines that hold.
The Astro team ships "The Agent Harness Framework." Flue takes the harness from the previous article and turns it into a real framework. I ported our profile-analysis agent to it to see.
Astro 6, Tailwind 4 with @theme, content collections + MDX, bilingual FR/EN, and a full GEO setup (llms.txt, JSON-LD entity graph, robots.txt with allow for AI bots). How and why I rebuilt it all.
Three apps shipped in two years. The stack I'd pick again tomorrow, the anti-patterns I lived through, and the specific traps you won't find in the docs.