Port the qualified web preview at c41e6fa8940fba929704bc2f9a94f119fef4a4ca onto
org dev b4d498e697. Preserve upstream changes and
branch policies; keep the independent private Collector service separate.
Preview-Version: 2.2.1-n30nex.1
Preview-Revision: c41e6fa8940fba929704bc2f9a94f119fef4a4ca
Bugs: clear compare params on tab change, recover channel live messages after a 429,
observer copy link keeps only region params, route table no longer navigates on region
change with nothing selected, map borders memo on data identity, live overview can't
resurrect a failed query, French relative times, no language write on first visit,
0/0 node locations hidden outside the map, path/signal stats use the shared retry rule.
i18n: node/packet/mesh/observer strings that were still hardcoded after #62.
Cleanup: formatUtc, ACTION_BUTTON_CLASS, observer-stats, useWindowedStats, observer-id;
observer pages use StatCard/Card/Field/Segmented/SearchBar/SelectDropdown; one details
chrome on the stats tabs; comment and translations-guide trims; localStorage stub for
Node 26 in the test setup.
Lands the stacked web PRs #75, #79, #80, #81, #83, #85, #87, #89, #92, #95 and #99 in one squash. Server counterparts #166-#176 are merged. Remaining review items follow in a fix PR.