todo: headscale invites are live on all four servers

TODO.md

@@ -125,8 +125,12 @@ day. Kept here for what the policy work turned up, which is not obvious from the
       proxy to the server's Officer Companion, because the joining phone has to claim without an Officer
       account and this sidecar is loopback-only behind our auth; the spec's own "an invite must work when
       the platform is down" argument says the same. Officer stores no invite and no claim token.
-      **Waiting on the companion:** `/officer-api/enroll/*` is not deployed anywhere yet, so the section
-      renders its unavailable state. Four gaps were sent back to the spec author: `keys.ts` has no
+      **Live on all four servers since 2026-08-05.** The 401 that blocked it was a companion-side prefix
+      parse (a Headscale key prefix is a fixed 12 chars and may contain `-`; they split on the first one);
+      fixed upstream. Verified end to end against pastilhas-eu: create returns the
+      `officer-offscale://join#…` link, list shows the record, revoke flips it to `revoked`. The list
+      envelope is not in the spec, so `pickInvites` takes the body's array whatever it is keyed under.
+      Four gaps were sent back to the spec author: `keys.ts` has no
       sub-day key TTL for the 5-minute claim key, "the sidecar must refuse plaintext" is unenforceable
       behind nginx, `tailnet` is not a headscale concept and has to be recorded on the invite, and
       `/api/v1/enroll/*` collides with headscale's own namespace.