app.locations.new.tsx's "Location name"/"Address" fields and
app.blackouts._index.tsx's "Date"/"Reason" fields were missing
value/onChange — Polaris TextField is fully controlled, so without that
wiring every keystroke gets overwritten back to an empty string on
re-render, making the field appear frozen. Every other form in the app
already followed the value/onChange + useState pattern; these four fields
were the only ones missed, and went uncaught until live browser testing
was actually possible tonight (shopify.web.toml was missing until now).
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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