feat(post-form): Field Notes styling, disclosure, feedback states (U5)

Migrate Get Location/Weather + required-field validation out of the
template's inline scripts into the bundle: generalize the field lookup so
weather_desc (now a <select>) is found, gate Get Weather until coords exist,
and add idle/loading/success/error states. Build the 'More options' <details>
(native, KTD5) around the advanced trio, auto-open when any has a value.
Add Field Notes CSS: select/number styling, EasyMDE dark theme, disclosure,
button spinner, and server form-message states.

Refs R5, R11, R12, R18, R19, AE3, KTD5.
This commit is contained in:
2026-07-04 16:42:58 +02:00
parent bf5b5c2f3c
commit 7f021ab114
5 changed files with 435 additions and 179 deletions
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