refactor: extract helpers from 3 match-detail/match-card components

- LocationIntelligencePanel (333→275): KpiTile + NEW_PROJECTS → own files
- FutureAvailabilityContextPanel (351→315): constants + utils → own files
- FutureAvailabilityCard (310→244): helpers + SignalQualityDots → own files

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/components/match-card/SignalQualityDots.tsx

@@ -0,0 +1,20 @@
+import { Box, Typography } from '@mui/material'
+
+export function SignalQualityDots({ quality }: { quality: 'HIGH' | 'MEDIUM' | 'LOW' | undefined }) {
+  const config = {
+    HIGH:   { dots: [1, 1, 1, 1], color: '#1a7a4a', label: 'Hohe Signalqualität' },
+    MEDIUM: { dots: [1, 1, 1, 0], color: '#d97706', label: 'Mittlere Signalqualität' },
+    LOW:    { dots: [1, 1, 0, 0], color: '#c0392b', label: 'Niedrige Signalqualität' },
+  }
+  const c = quality ? config[quality] : config.LOW
+  return (
+    <Box sx={{ display: 'flex', alignItems: 'center', gap: 0.5 }}>
+      {c.dots.map((filled, i) => (
+        <Box key={i} sx={{ width: 7, height: 7, borderRadius: '50%', bgcolor: filled ? c.color : '#e2e8f0' }} />
+      ))}
+      <Typography sx={{ fontSize: '0.68rem', color: c.color, fontWeight: 600, ml: 0.25 }}>
+        {c.label}
+      </Typography>
+    </Box>
+  )
+}