feat(supply): per-unit fit-out/cost-bearer/MAB/parking with object fallback (resolveUnitFacts)

- unit: add fitOutByLandlord, mieterausbaubeitragPerSqm, parkingSpots (parking = allocation from object pool)
- lib/unitFacts.resolveUnitFacts: single resolver (unit value ?? object value) used by scorer + card adapter
- matchSyncService: pre-market unit scored via resolved facts (fit-out, MAB, cost-bearer, parking allocation)
- matchCardAdapter: fit-out label/viability/investment via resolveUnitFacts
- UnitStructurePanel: consolidate ALL per-unit overrides into the one expandable row editor (price, availability, Ausbaustandard, Wer-baut-aus, MAB, parking allocation); show parking on row
- PreMarketUnitGrid/Panel: drop the duplicate per-unit fit-out select (now in the unit editor)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/components/supply/PreMarketPanel.tsx

@@ -27,9 +27,6 @@ export function PreMarketPanel({ p }: { p: Property }) {
     }
     return init
   })
-  const [unitFitOut, setUnitFitOut] = useState<Record<string, string>>(() =>
-    Object.fromEntries((p.units ?? []).map(u => [u.id, u.fitOut ?? ''])),
-  )
   const [unitSaving, setUnitSaving] = useState<Record<string, boolean>>({})
   const queryClient = useQueryClient()
   const updateProperty = useUpdateProperty()
@@ -99,23 +96,6 @@ export function PreMarketPanel({ p }: { p: Property }) {
     }
   }
 
-  async function saveUnitFitOut(unitId: string, fitOut: string) {
-    setUnitFitOut(prev => ({ ...prev, [unitId]: fitOut }))
-    setUnitSaving(prev => ({ ...prev, [unitId]: true }))
-    try {
-      await MockupUnitProvider.update(unitId, {
-        fitOut: (fitOut || undefined) as 'SHELL' | 'BASIC' | 'FULL' | 'PREMIUM' | undefined,
-      })
-      await queryClient.invalidateQueries({ queryKey: ['property', p.id] })
-      await queryClient.invalidateQueries({ queryKey: ['properties'] })
-      await queryClient.invalidateQueries({ queryKey: ['matches'] })
-    } catch {
-      showToast('Fehler beim Speichern des Ausbaustandards.', 'error')
-    } finally {
-      setUnitSaving(prev => ({ ...prev, [unitId]: false }))
-    }
-  }
-
   return (
     <>
       <Divider sx={{ my: 2 }} />
@@ -213,9 +193,6 @@ export function PreMarketPanel({ p }: { p: Property }) {
                 unitSaving={unitSaving}
                 setUnitStates={setUnitStates}
                 saveUnit={saveUnit}
-                propertyFitOut={p.hardFacts?.fitOut}
-                unitFitOut={unitFitOut}
-                saveUnitFitOut={saveUnitFitOut}
               />
             )}