feat: travel service with 2GIS routing, POI, hotels + finance providers + UI overhaul

- Add travel-svc microservice (Amadeus, TravelPayouts, 2GIS, OpenRouteService)
- Add travel orchestrator with parallel collectors (events, POI, hotels, flights)
- Add 2GIS road routing with transport cost calculation (car/bus/taxi)
- Add TravelMap (2GIS MapGL) and TravelWidgets components
- Add useTravelChat hook for streaming travel agent responses
- Add finance heatmap providers refactor
- Add SearXNG settings, API proxy routes, Docker compose updates
- Update Dockerfiles, config, types, and all UI pages for consistency

Made-with: Cursor

backend/webui/package.json

@@ -9,6 +9,7 @@
     "lint": "next lint"
   },
   "dependencies": {
+    "@2gis/mapgl": "^1.70.1",
     "@radix-ui/react-avatar": "^1.1.11",
     "@radix-ui/react-dialog": "^1.1.15",
     "@radix-ui/react-dropdown-menu": "^2.1.16",
@@ -19,14 +20,17 @@
     "@radix-ui/react-tooltip": "^1.2.8",
     "clsx": "^2.1.1",
     "framer-motion": "^12.34.3",
+    "leaflet": "^1.9.4",
     "lucide-react": "^0.454.0",
     "next": "^14.2.26",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
+    "react-leaflet": "^4.2.1",
     "react-markdown": "^9.0.1",
     "tailwind-merge": "^2.5.4"
   },
   "devDependencies": {
+    "@types/leaflet": "^1.9.21",
     "@types/node": "^22.9.0",
     "@types/react": "^18.3.12",
     "@types/react-dom": "^18.3.1",