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/internal/agent/orchestrator.go

@@ -47,10 +47,13 @@ type OrchestratorConfig struct {
 	LearningMode       bool
 	EnableDeepResearch bool
 	EnableClarifying   bool
-	DiscoverSvcURL     string
-	Crawl4AIURL        string
-	CollectionSvcURL   string
-	FileSvcURL         string
+	DiscoverSvcURL      string
+	Crawl4AIURL         string
+	CollectionSvcURL    string
+	FileSvcURL          string
+	TravelSvcURL        string
+	TravelPayoutsToken  string
+	TravelPayoutsMarker string
 }
 
 type DigestResponse struct {
@@ -87,6 +90,10 @@ type OrchestratorInput struct {
 }
 
 func RunOrchestrator(ctx context.Context, sess *session.Session, input OrchestratorInput) error {
+	if input.Config.AnswerMode == "travel" {
+		return RunTravelOrchestrator(ctx, sess, input)
+	}
+
 	detectedLang := detectLanguage(input.FollowUp)
 	isArticleSummary := strings.HasPrefix(strings.TrimSpace(input.FollowUp), "Summary: ")