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mc-webui/app/static/js
MarekWoandClaude Opus 5 67b5e02d96 feat(repeaters): read settings on demand, remember what was read
Expanding a Settings section fired one `get` per field, each a full mesh
round-trip. Seven questions to a repeater four hops away, answered one at
a time, to change the one field you came for -- and often a batch that
timed out halfway and left the section blank.

Nothing is read until asked for now:

- every field has its own read button beside the control (same row, so
  no extra line per field), and `Read all fields` at the top of the
  section still does the whole batch
- GET /settings takes an optional `fields=` subset so a single field is a
  single round-trip; the section still defines the order
- reads are queued client-side. The device already serializes CLI traffic
  behind one lock, so parallel requests would only tie up server threads
  waiting for it
- values are remembered per repeater in localStorage, so a section opens
  with the last readings instead of empty boxes. A remembered value is a
  usable baseline -- Apply writes an absolute value, so editing from a
  stale reading still sets what was typed -- and is marked with a clock
  per field plus a note at the foot of the section saying when it was
  read. Apply and unsupported replies update the cache too
- a failed read no longer wipes what is on screen: the remembered value
  stays, still editable, still marked
- field hints moved from a text block under the control into an info icon
  by the field name (the pattern the app's own Settings modal uses), and
  every field has one now instead of the 9 that did

Verified against a live repeater from the local container: expanding all
8 sections makes 0 requests, a single-field read sends exactly
`?section=advanced&fields=rxdelay`, the value survives a reload from cache
with the stale note, and Apply still round-trips (dutycycle rewritten to
its own value).

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-31 23:09:06 +02:00
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