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/cmd/agent-svc/main.go

@@ -73,7 +73,7 @@ func main() {
 	agents := app.Group("/api/v1/agents", middleware.JWT(middleware.JWTConfig{
 		Secret:     cfg.JWTSecret,
 		AuthSvcURL: cfg.AuthSvcURL,
-		AllowGuest: false,
+		AllowGuest: true,
 	}))
 
 	agents.Post("/search", func(c *fiber.Ctx) error {
@@ -162,7 +162,10 @@ func main() {
 				ResponsePrefs:      responsePrefs,
 				LearningMode:       req.LearningMode,
 				DiscoverSvcURL:     cfg.DiscoverSvcURL,
-				Crawl4AIURL:        cfg.Crawl4AIURL,
+				Crawl4AIURL:         cfg.Crawl4AIURL,
+				TravelSvcURL:        cfg.TravelSvcURL,
+				TravelPayoutsToken:  cfg.TravelPayoutsToken,
+				TravelPayoutsMarker: cfg.TravelPayoutsMarker,
 			},
 		}