feat(chase): the global hunt — new, or new plus unconfirmed, every category

The gap between worked and confirmed becomes visible everywhere. A Chase
setting on the DX Cluster page picks the mode; in new-plus-unconfirmed the
verdicts for DXCC/band/mode/slot, prefix, county and state are judged against
CONFIRMED-only ledgers built from the operator's chosen sources (LoTW, card,
eQSL, QRZ.com — HRDLog has no confirmation field in ADIF to offer), and a
need that exists only because a QSL never arrived is flagged Unconf: the
cluster and decode badges render it dimmed, the convention the grid hunt
introduced. The grid's own Chase selector folds into the global one; its
square-matching scope stays where it was, being grid-specific. One snapshot
key change rebuilds the cache when any of it flips.

frontend/src/App.tsx

@@ -2088,7 +2088,7 @@ export default function App() {
   // worked_slot must be carried explicitly like every other field: this map is
   // assembled field by field, so a backend flag that nobody copies here simply
   // never reaches the panels — silently, since the extra key is just dropped.
-  const [spotStatus, setSpotStatus] = useState<Record<string, { status: string; country?: string; continent?: string; worked_call?: boolean; worked_slot?: boolean; new_county?: boolean; county?: string; state?: string; lotw?: boolean; spotter_continent?: string; grid?: string; new_grid?: boolean; new_state?: boolean; new_pota?: boolean; new_pfx?: boolean; pfx?: string }>>({});
+  const [spotStatus, setSpotStatus] = useState<Record<string, { status: string; country?: string; continent?: string; worked_call?: boolean; worked_slot?: boolean; new_county?: boolean; county?: string; state?: string; lotw?: boolean; spotter_continent?: string; grid?: string; new_grid?: boolean; new_state?: boolean; new_pota?: boolean; unconf_status?: boolean; unconf_pfx?: boolean; unconf_cty?: boolean; unconf_state?: boolean; new_pfx?: boolean; pfx?: string }>>({});
   // Live mirror of spotStatus so the incoming-spot buffer can tell which slots
   // still need resolving without re-subscribing the cluster:spot listener.
   const spotStatusRef = useRef(spotStatus);
@@ -3640,6 +3640,10 @@ export default function App() {
                 worked_slot: !!(r as any).worked_slot,
                 new_county: !!(r as any).new_county, lotw: !!(r as any).lotw, spotter_continent: (r as any).spotter_continent, grid: (r as any).grid, new_grid: !!(r as any).new_grid, county: (r as any).county, state: (r as any).state,
                 new_state: !!(r as any).new_state,
+                unconf_status: !!(r as any).unconf_status,
+                unconf_pfx: !!(r as any).unconf_pfx,
+                unconf_cty: !!(r as any).unconf_cty,
+                unconf_state: !!(r as any).unconf_state,
                 new_pota: !!(r as any).new_pota,
                 new_pfx: !!(r as any).new_pfx,
                 pfx: (r as any).pfx,
@@ -3747,6 +3751,10 @@ export default function App() {
                 grid: (r as any).grid, new_grid: !!(r as any).new_grid,
                 county: (r as any).county, state: (r as any).state,
                 new_state: !!(r as any).new_state,
+                unconf_status: !!(r as any).unconf_status,
+                unconf_pfx: !!(r as any).unconf_pfx,
+                unconf_cty: !!(r as any).unconf_cty,
+                unconf_state: !!(r as any).unconf_state,
                 new_pota: !!(r as any).new_pota,
                 new_pfx: !!(r as any).new_pfx, pfx: (r as any).pfx,
               };