diff --git a/ACCOUNTS.md b/ACCOUNTS.md
index 6a14ed0..e348883 100644
--- a/ACCOUNTS.md
+++ b/ACCOUNTS.md
@@ -30,6 +30,14 @@ credential, it is human-only. Everything else, operators handle.
 | — | — | tp | orchestrator / operator-main | pending-auth | — | first node; no product login yet |
 | — | — | smoke | dev test rig | pending-auth | — | dedicated test profile; muse.ai loads, no login yet |
 
+## Known login flows
+
+### muse.ai (recon 2026-10-03, via CDP DOM)
+- Homepage has "Log in" buttons (JS, no href). Click -> inline form, same URL.
+- "Log in or create an account" — single field: "Mobile number or email (required)" + Continue.
+- Phone/email OTP flow (SMS or email code). No password, no OAuth buttons.
+- Human completes it in one visible session; operators verify + automate after.
+
 ## Provisioning a new login (dev)
 
 1. Operator: `chrome-box create <profile>` (profile name = future node name).