Tailscale node keys expire (180 days by default unless disabled per
device) and an expired key drops the device off the tailnet until
re-authenticated -- worth surfacing before it happens.
adapter.listDevices() now reads `expires` and `keyExpiryDisabled` from
the device list API (`?fields=all`, already being fetched). Go's zero
time ("0001-01-01T00:00:00Z") is what Tailscale returns for "no real
expiry set" and is treated as null rather than shown as a bogus 1AD
date.
New "Key expiry" column on the Tailscale page: "Never" when disabled,
otherwise the date plus a badge (green/yellow/red matching the
Secrets module's ok/expiring/expired convention) using the same
30-day warning window as that module's default. The devices summary
gained `expiringSoon` (<=30 days left, including already-expired),
surfaced in the page header and as a new warning line on the
Dashboard's Tailscale widget, alongside the existing "awaiting
authorization" one.
Verified the parsing (real expiry, disabled/zero-time, already-expired,
far-future) against the compiled adapter with fetch calls to
api.tailscale.com redirected to a local mock server, since this
sandbox can't reach the user's real tailnet.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
bobbanandClaude Sonnet 5
c0af546d08