All three reviewers found the same hole, and it contradicted this PR's own
documentation rather than merely being incomplete.
`completeBasicAuth` keyed on `fields.is_http_basic_auth_enabled !== true` —
the toggle being present IN THE PAYLOAD. But an update body is assembled from
the field diffs, and the toggle is absent exactly when it MATCHES. So on the
real drift case — basic auth already on at both ends, username edited in the
UI — computeDiff emits `http_basic_auth_username` alone, the guard returned
early, and the PATCH went out as a lone username. Coolify requires the whole
triple on any write that enables basic auth, so that is a 422 mid-run: the
precise failure the function exists to prevent, on the one path it was not
looking at.
The fix reads INTENT from the declared spec instead of from the payload, and
completes whenever the payload touches basic auth at all. Two properties are
kept deliberately:
- it still never MANUFACTURES a write — a payload mentioning no basic-auth
field is returned untouched, so the honest limit printed on every diff
still holds;
- a spec that does not enable basic auth completes nothing, so reading
intent from the declaration does not trade one silent wrong write for
another.
The toggle is now completed alongside the credentials: Coolify's presence rule
is about the write as a whole, and a credentials-only PATCH asks it to infer
what cast can state.
`applicationApiFields` shared the blind spot for the same reason — a lone
username has no toggle to be true, so the belt never tightened either. It now
refuses any partial basic-auth write, while still letting an explicit disable
travel alone and ignoring payloads that do not mention basic auth.
No documentation changed: docs/semantics.md:374 and the function's own comment
already promised the triple is completed "whenever it sends one of them". The
code simply did not do it. This makes them true.
Tests: the existing "only the username drifted" case passed the toggle in its
payload, so it never exercised the guard — which is why the hole survived
review-by-suite. Added the real shape (lone username, lone password, no
toggle), the spec-says-off case, three wire-level partial writes, and the two
non-write cases. Verified by mutation: restoring the payload-keyed guard fails
both new completion assertions.
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