Two Driver-reported defects.
1. No more "Basemap tiles blocked" popup on the map. The banner reported an
operator problem (one Mapbox account setting on one deployment origin) to
the end user, who can do nothing about it, on every map and every load. The
console diagnosis stays, because it reaches the person who can act.
2. Selections in the dashboard now filter the grid beneath it. The two halves
were never connected: research-dashboard had no defineEmits and its bus is a
per-instance factory that is never provided, while dashboard-plus-grid passed
the grid no filter props. The grid's receiving end already worked. Added the
emit, plus a translation layer between the dashboard's snake_case facet keys
and the grid's camelCase props, mirroring big-picture.
Proven live: typing "Turk" takes the grid from 24 cards to 22 with wholly
different rows. Only 4 of 12 facets map; the rest are dropped rather than
guessed, because religion_family carries a family name while the grid's
religion prop matches a code, and mapping them would filter to zero rows.
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