The login flow was near-silent: three info lines with no way to see why a
session was considered expired or what happened to the cookies. Debugging
a failing login meant guessing.
Every login step now logs on debug level with a `phase` field: the login
page fetch, the extracted nonce, the POST to /login/api/login.php, the
session check, and any request retried after a re-login. Each of those
requests is bracketed by a cookie snapshot taken before it is sent and one
taken after, plus a delta of added/changed/removed cookies. The "before"
snapshot is logged prior to sending, so it survives a hanging request.
isLoginRequiredResponse() is split so the criterion that matched
(status-401, login-markup, ...) can be reported instead of just a boolean.
Secrets stay out of the log: the password is replaced by ***, and cookie
values - including those in the raw Set-Cookie header - are truncated to
their first four characters plus length. That still shows whether a
session id changed without putting the session itself in the log.
Detail logging is strictly debug-level via logLoginDetail(); the existing
logDebug() falls back to info, which would flood a plain info logger. When
no debug logger is attached, no snapshot is taken and nothing is
serialized.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
bjoernpoettkerandClaude Opus 5
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