Browsers apply much more aggressive heuristic caching to a linked
stylesheet than to the dynamically-rendered HTML that references it, so a
CSS-only deploy could silently leave an already-open browser serving the
old styles until a hard refresh -- exactly what made today's dashboard
polish changes look broken while testing, until forcing a fresh fetch.
Appends a content-hash query param computed once at startup.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
FastAPI app that pulls interval usage from Sungrow iSolarCloud (OAuth2),
caches AER Consumer Data Right electricity plan data, and compares actual
metered usage against every available plan to estimate real annual cost
(TOU, tiered feed-in, and flat tariffs).
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
