bookings: save Airbnb host threads and SF check-in details

Daly City host sent the check-in instructions on Sep 16: door code,
wifi, entry route, assigned parking and house rules. Add them to the
booking record and the Sep 19-21 address tables. Record the DTLA unit
number from the LA thread and store both message threads as sources.

bookings/stays/airbnb-sf-daly-city.md

@@ -15,11 +15,19 @@
 | **Payment due** | Sep 7, 2026 (Amex 1003) |
 | **Paid by** | MS |
 | **Confirmation** | HM8K3DTHE3 |
-| **Host** | Seng Io (Stanley) · +1 415-425-9339 |
+| **Host** | Seng Io (Stanley) · +1 415-425-9339 (urgent only; otherwise Airbnb messages) |
+| **Entry** | First floor. Through the side gate, down the hallway, turn left, gate to the unit |
+| **Door code** | **0339** then press ✔️ — both electric locks |
+| **WiFi** | `stanley_downstairs_2.4GHz` / `stanleyswifi` |
+| **Parking** | Assigned spot to the right of the garage driveway (see listing photo). Driveway shared with 2nd-floor tenants — park exactly there |
 | **Cancellation** | Free before Sep 14, 3:00 PM |
 | **Rating** | 4.79 / 5 (228 reviews) — Guest Favourite |
 
-**Host note:** Check-in instructions will be sent 3 days before arrival. Contact Stanley with any questions.
+**House rules:** quiet hours midnight–9 AM, no extra guests, checkout 11 AM
+sharp (cleaners arrive on time). Early check-in only if agreed in advance.
+
+**Host messages:** Apr 5 — welcome, details to follow. Sep 16 — full
+check-in instructions (above).
 
 **Note:** MS, who made the booking, arrives on Sep 20. KT & VT check in on Sep 19 on their own.
 
@@ -27,3 +35,4 @@
 
 - [Booking confirmation](../../sources/stays/Airbnb_SF_DalyCity_Sep19-22.pdf)
 - [Host message](../../sources/stays/2026-04-05_Airbnb_SF_Host_Message.pdf)
+- [Airbnb message thread incl. Sep 16 check-in instructions](../../sources/stays/2026-09-16_Airbnb_SF_DalyCity_Chat.md)