transport: record FasTrak payment confirmation

sources/transport/2026-09-22_FasTrak_One-Time_Payment.md

@@ -0,0 +1,19 @@
+# Bay Area FasTrak — One-Time Payment Confirmation
+
+- **From:** Bay Area FasTrak Customer Service <no_reply@bayareafastrak.org>
+- **To:** donbot@bayareafastrak.spqr.link
+- **Subject:** One-Time Payment Confirmation
+- **Received:** 2026-09-22 18:29:54 UTC (2026-09-22 11:29:54 PDT)
+- **Message-ID:** `-886951744.9185.1790101789586@ewprdwas02bata`
+
+Mailbox source: normalized extraction from Fastmail; the mailbox tool did not provide the original `.eml` artifact. No links were opened.
+
+## Confirmed details
+
+- **Payment confirmation number:** `226155084`
+- **Payment validity period:** 2026-09-21 18:20–20:20 (timezone not stated in the email)
+- **Vehicle license plate:** `9YIK383`
+- **Purpose:** tolls incurred during the stated period
+- **Payment status:** one-time payment confirmation issued
+
+The email does not state the amount, currency, or accounting payer. It is therefore not added to `expenses.md` pending those details.