Refine route-scoped tape subscriptions and table virtualization

- Scope live channels by route and trim unused feed work
- Switch tape tables to fixed-height virtual rows with separate scroll containers
- Add tests for route feature maps and virtual config

deploy.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+git fetch
+git switch deployment
+git pull
+docker compose up -d --build --force-recreate