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.
- Discover packets decoded: DISCOVER_REQ/DISCOVER_RESP render real fields
(type-filter roles, tag, node-to-node request SNR) instead of a raw dump.
- Neighbor lines on the map: On/Selected/Off control draws links between nodes
and their known neighbors.
- Live packet flow: a play button animates packets hop-to-hop between repeaters
in real time (off by default).