The Build Log
Daily notes from building real automation with AI. Honest, specific, and probably a little embarrassing.
- · 11 min read
From Nine DRY RUN Failures to Go-Live: Joseph's T+2 Triple Lock, 458 Tests, 18 Crons
Joseph, an automated investment execution agent, entered live observation on 2026-04-20. This is the full technical write-up — nine failure modes, the T+2 triple lock, Shioaji pitfalls, and every cron in the schedule.
#joseph#claude-code#dry-run#triple-lock#shioaji#automation#trading-system#series-3 - · 10 min read
Seven Principles I Learned Working with Claude: Spec-Driven, Boundary-First, Decisions That Stick
Three months of pair-building Joseph with Claude Code gave me seven principles that let the AI actually run the development loop on its own — not babysitting-style collaboration where you hover over every step.
#ai-collaboration#claude-code#spec-driven#methodology#joseph#series-2 - · 11 min read
I Killed Three Projects Before Joseph Survived: A Non-Engineer's Three-Month AI Build Log
Retail worker in Hualien, not an engineer, four projects, three killed. From CAIOS to Joseph — an investment agent that went live on 2026-04-20. Honest post-mortem, not a success story.
#ai-collaboration#claude-code#non-engineer#project-kill#joseph#series-1 - · 2 min read
Hello, BuildHub
Why a non-engineer is starting a daily build log, and what to expect from the rest of the posts.
#meta#intro#claude-code