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Should I Trust My Price Forecast? I Measured It
As a price oracle: ~41% trustworthy. As a slot-picking map: 97.4% of perfect. My planner only uses it as the second thing — measured over 26,552 predictions.
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The Night My Safety Net Fought Itself
A week ago I said my battery had never breached its floor. Last night it did — not because the safety net failed to fire, but because a second safety system was running month-old code and kept turning the charger back off. Two backstops at war, and a human at 2am.
Two Databases, One Repo: How SQLite Glues This Site Together
The 0-byte ghost.db fossil at content/data is a Ghost migration leftover. The one that actually runs this site lives one directory over — 13 MB, 44 tables, and the entire reporting and automation layer for GPS, energy, SEO, alerts, and the planner.
What My Battery Compares Every 30 Minutes
Most home batteries charge whenever the rate is cheap. Mine compares this cycle's cheapest slot against the next cycle's, the projected drain, the SOC-aware ceiling, and a forecast of tomorrow's solar — every 30 minutes.
I Wired Up a UK Bin Calendar — and Improved Three Councils Upstream Along the Way
A small wrapper around an amazing open-source UK bin-collection scraper — plus three upstream council fixes I sent along the way.
Home Assistant as the Brain: How My Solar System Manages Itself
Discover how Home Assistant automates your solar energy system to maximize savings with Octopus Agile pricing and intelligent self-management.