feat(flights): integrate mission-planner into Flights page

- Port mission-planner flight planning to main app (Tailwind, react-leaflet v5, react-i18next)
- Add FlightMap with click-to-add waypoints, draggable markers, polyline with arrows
- Add FlightParamsPanel with action modes, waypoint list (drag-reorder), altitude chart, wind, JSON import/export
- Add FlightListSidebar with create/delete and telemetry date
- Add collapsible left panel with quick action mode shortcuts
- Add work area / no-go zone drawing via manual mouse events (L.rectangle)
- Add AltitudeDialog and JsonEditorDialog (Tailwind modals)
- Add battery/time/distance calculations per waypoint segment
- Add satellite/classic map toggle and mini-map on point drag
- Add Camera FOV and Communication Addr fields
- Add current position display under location search
- Merge mission-planner translations under flights.planner.*
- Gitignore .superpowers session data

src/i18n/en.json

@@ -33,7 +33,56 @@
     "liveGps": "Live GPS",
     "correction": "GPS Correction",
     "apply": "Apply",
-    "telemetry": "Telemetry"
+    "telemetry": "Telemetry",
+    "planner": {
+      "point": "Point",
+      "altitude": "Altitude",
+      "initialAltitude": "Initial Altitude",
+      "addPoints": "Points",
+      "workArea": "Work Area",
+      "prohibitedArea": "No-Go Zone",
+      "location": "Location",
+      "currentLocation": "Current location",
+      "operations": "Operations",
+      "editAsJson": "Edit JSON",
+      "exportMapData": "Export",
+      "save": "Save",
+      "upload": "Upload",
+      "titleAdd": "Add New Point",
+      "titleEdit": "Edit Point",
+      "description": "Enter the coordinates, altitude, and purpose of the point.",
+      "latitude": "Latitude",
+      "longitude": "Longitude",
+      "purpose": "Purpose",
+      "cancel": "Cancel",
+      "submitAdd": "Add Point",
+      "submitEdit": "Save Changes",
+      "removePoint": "Delete",
+      "windSpeed": "Wind spd",
+      "windDirection": "Wind dir",
+      "setWind": "Set Wind",
+      "battery": "bat.",
+      "metres": "m",
+      "km": "km",
+      "hour": "h",
+      "minutes": "min",
+      "calculated": "calculated",
+      "error": "Calculation error",
+      "statusGood": "Good",
+      "statusCaution": "Caution",
+      "statusLow": "Can't complete",
+      "options": {
+        "artillery": "Artillery",
+        "tank": "Tank"
+      },
+      "invalidJson": "Invalid JSON format",
+      "editJsonHint": "Edit the JSON data as needed.",
+      "satellite": "Satellite",
+      "cameraFov": "Camera FOV / Length / Field",
+      "cameraFovPlaceholder": "FOV parameters",
+      "commAddr": "Communication Addr / Port",
+      "commAddrPlaceholder": "192.168.1.1:8080"
+    }
   },
   "annotations": {
     "title": "Annotations",