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/focus_modes.go

@@ -17,6 +17,7 @@ const (
 	FocusModeImages   FocusMode = "images"
 	FocusModeMath     FocusMode = "math"
 	FocusModeFinance  FocusMode = "finance"
+	FocusModeTravel   FocusMode = "travel"
 )
 
 type FocusModeConfig struct {
@@ -165,6 +166,18 @@ Cite data sources and note when data may be delayed or historical.
 Include relevant disclaimers about investment risks.
 Reference SEC filings, analyst reports, and official company statements.`,
 	},
+	FocusModeTravel: {
+		Mode:             FocusModeTravel,
+		Engines:          []string{"google", "duckduckgo", "google news"},
+		Categories:       []string{"general", "news"},
+		MaxSources:       15,
+		RequiresCitation: true,
+		AllowScraping:    true,
+		SystemPrompt: `You are a travel planning assistant.
+Help users plan trips with routes, accommodations, activities, and transport.
+Search for events, festivals, and attractions at destinations.
+Provide practical travel tips and budget estimates.`,
+	},
 }
 
 func GetFocusModeConfig(mode string) FocusModeConfig {
@@ -236,6 +249,18 @@ func DetectFocusMode(query string) FocusMode {
 		}
 	}
 
+	travelKeywords := []string{
+		"travel", "trip", "flight", "hotel", "vacation", "destination",
+		"путешеств", "поездк", "маршрут", "отель", "перелёт", "перелет",
+		"отдых", "тур", "куда поехать", "куда сходить", "достопримечательност",
+		"мероприят", "билет", "бронирован",
+	}
+	for _, kw := range travelKeywords {
+		if strings.Contains(queryLower, kw) {
+			return FocusModeTravel
+		}
+	}
+
 	newsKeywords := []string{
 		"news", "today", "latest", "breaking", "current events",
 		"новост", "сегодня", "последн", "актуальн",