Send Map, the Bloom cockpit, Flower Mesh, Lang Cluster and Flowers ran in
the Experimental shelf as a 976 KB prebuilt legacy bundle inside a sandboxed
iframe. Their original source survived in the old app-profiles/doxa-upg-neighbor
bundle, and it only imports library pieces that still exist, so it moves here
as-is: the unified hub becomes upg-neighbor.vue and the lenses go in src/.
The hub now picks its opening lens at setup rather than on mount. Switching
on mount tore Send Map down mid-initialisation and threw on every other lens.
The five instance ids stay the same, so existing embed URLs still work, and
the old legacyElement key still maps to a lens.
The legacy sandbox (data/legacy/upg-neighbor and its staging rows) is gone
because nothing loads it any more.