docs(trip): update route and transport plan

itinerary.md

@@ -26,8 +26,9 @@
 | [🌲 Cabin — Sequoia (Miramonte)](bookings/cabin-sequoia-miramonte.md) | Sep 24–27 (3 nights) | US$771.16 | Payment due Sep 8 |
 | [🏙️ LA stay — candidates](la_stay_options.md) | Sep 27–30 (3 nights) | US$523–1,075 | Shortlist only — not final or exhaustive |
 | [🎰 Las Vegas stay — candidates](vegas_stay_options.md) | Sep 30–Oct 3 (3 nights) | US$500–1,392+ | Shortlist only; resort fees may be extra |
-| [🚗 Car Rental](bookings/car-rental.md) | Sep 19–Oct 3 (14 days) | ⚠️ TBC | Confirm with KT |
+| [🚗 Car Rental](bookings/car-rental.md) | Sep 20–Oct 4 (14 days) | ⚠️ TBC | SFO round trip; rent and return by MS |
 | [✈️ Flights — KT & VT](bookings/flights-kt-vt.md) | Sep 19 / Oct 3 | — | ⚠️ Confirm with KT |
+| [✈️ Flights — MS](bookings/flights-ms.md) | Sep 20 / Oct 4 | — | Round trip YVR ↔ SFO needed |
 
 ---
 
@@ -35,8 +36,8 @@
 
 | Date | Day | Location | Notes |
 |------|-----|----------|-------|
-| Sep 19 | Sat | Daly City (SF area) | ✅ Airbnb check-in after 3 PM · KT & VT land SFO 1 PM · KT picks up rental car at SFO |
-| Sep 20 | Sun | San Francisco | [See plan ↓](#sep-20--san-francisco-golden-gate--waterfront) · Golden Gate, Marin Headlands, Wharf (car day) |
+| Sep 19 | Sat | Daly City (SF area) | ✅ Airbnb check-in after 3 PM · KT & VT land SFO 1 PM · public transit / taxi · confirm they can check in without MS |
+| Sep 20 | Sun | San Francisco | MS flies YVR → SFO and picks up rental car (arrival time TBC) · KT & VT use public transit / taxi until then · [See plan ↓](#sep-20--san-francisco-golden-gate--waterfront) |
 | Sep 21 | Mon | San Francisco | [See plan ↓](#sep-21--san-francisco-downtown--classic-sf) · Downtown, cable cars, Chinatown (BART day) |
 | Sep 22 | Tue | Yosemite | Check-out SF by 11 AM · Depart 7 AM · [See plan ↓](#sep-22--sf--yosemite-valley) · Wawona check-in (flexible) |
 | Sep 23 | Wed | Yosemite | [See plan ↓](#sep-23--yosemite--glacier-point--mariposa-grove) |
@@ -46,10 +47,11 @@
 | Sep 27 | Sun | Los Angeles | Check-out Gilmore by 11 AM · Drive to LA |
 | Sep 28 | Mon | Los Angeles | TBD |
 | Sep 29 | Tue | Los Angeles | TBD |
-| Sep 30 | Wed | Las Vegas | Drive LA → Vegas (~4.5 hrs, I-15) · All 4 to Vegas |
+| Sep 30 | Wed | Las Vegas | Drive LA → Vegas (~4.5 hrs, I-15) · no LA → LAS flight needed |
 | Oct 1 | Thu | Las Vegas | — |
 | Oct 2 | Fri | Las Vegas | — |
-| Oct 3 | Sat | Los Angeles | Leave Vegas by 7 AM · Drive to LAX (~4.5 hrs, Sat traffic) · Car dropoff · KT & VT fly to Sofia · MS & LK fly to YVR (tickets TBD) |
+| Oct 3 | Sat | Las Vegas → San Francisco | KT & VT fly LAS → Bulgaria · MS starts drive back to San Francisco · overnight stop / endpoint TBC |
+| Oct 4 | Sun | San Francisco | MS returns rental car at SFO and flies SFO → YVR · coordinate flight time with car return |
 
 ---
 
@@ -62,7 +64,7 @@
 
 > **Sights menu:** see [`sf_sights.md`](sf_sights.md) for the full candidate list.
 
-*Car day — flexible for the north-side viewpoints BART doesn't reach.*
+*Car day after MS arrives and collects the rental. The order and scope depend on the flight arrival time.*
 
 - **Morning** Drive to **Marin Headlands / Battery Spencer** — the classic Golden Gate Bridge panorama; go early before fog and crowds
 - **Late morning** Cross back over the bridge → **Golden Gate Bridge Welcome Center** & Fort Point underneath