The workspace is built for rapid walk-and-tag, but the tag field was only
focused once (TagAutocomplete's on-mount autofocus) — walking to a neighbour
left focus behind, so the operator had to click the field each time
(operator-asked 2026-06-26).
TagPanel now exposes focusTagInput; ExploreView watches the focused image id and
re-focuses the field on seed + every walk via nextTick. Reuses the existing
focus path, so TagAutocomplete's mobile guard (no soft-keyboard pop on touch) is
preserved.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
bvandeusen