feat(logs): Sichtweite und kompakte Wetter-Slider im Ereignisprotokoll

Ergänzt visibility in Editor und Live-Log inkl. OWM-Übernahme, CSV-Export
und touch-taugliche Slider für Luftdruck, Seegang, Sichtweite und Krängung.

Co-authored-by: Cursor <cursoragent@cursor.com>

client/src/services/csvExport.ts

@@ -78,7 +78,7 @@ export async function exportLogbookToCsv(logbookId: string, preloadedData?: { ya
     'Skipper Signature', 'Crew Signature',
     'Track Distance (nm)', 'Track Max Speed (kn)', 'Track Avg Speed (kn)', 'Motor Hours (h)',
     'Event Time', 'MgK Course', 'RwK Course',
-    'Wind Dir', 'Wind Str', 'Barometer (hPa)', 'Sea State',
+    'Wind Dir', 'Wind Str', 'Barometer (hPa)', 'Sea State', 'Visibility',
     'Current', 'Heel Angle', 'Sails/Motor', 'Log (nm)', 'Distance (nm)',
     'Latitude', 'Longitude', 'Remarks',
     'Freshwater Morning (L)', 'Freshwater Refilled (L)', 'Freshwater Evening (L)', 'Freshwater Consumption (L)',
@@ -129,7 +129,7 @@ export async function exportLogbookToCsv(logbookId: string, preloadedData?: { ya
         signS, signC,
         trackDist, trackMax, trackAvg, motorH,
         '', '', '',
-        '', '', '', '',
+        '', '', '', '', '',
         '', '', '', '', '',
         '', '', '',
         fwM, fwR, fwE, fwCons,
@@ -147,6 +147,7 @@ export async function exportLogbookToCsv(logbookId: string, preloadedData?: { ya
           trackDist, trackMax, trackAvg, motorH,
           ev.time || '', ev.mgk || '', ev.rwk || '',
           ev.windDirection || '', ev.windStrength || '', ev.windPressure || '', ev.seaState || '',
+          ev.visibility || '',
           ev.current || '', ev.heel || '', ev.sailsOrMotor || '', ev.logReading || '', ev.distance || '',
           ev.gpsLat || '', ev.gpsLng || '', ev.remarks || '',
           fwM, fwR, fwE, fwCons,