A complete travel companion. Use this skill for ANY travel-related request. Handles: journal entries (photos/voice/video), GPS check-ins, live location tracking, trip planning, bookings, itineraries, reservations, flights, hotels, calendars, travel wishlist, saved places, proactive reminders. Triggers on: location shares, photos, audio, video, "check in", "journal", "log this", "what's my plan", "any trips", "travel in [month]", "what's booked", "wishlist", "where should I go", "plan a trip", "create itinerary", "remind me", "what's next".