LDAPS directory adapter with certificate verification, allow-listed reads and
writes, escaped filters, password verification and change, password policy
and account state, plus an in-memory fake. Adds the LDAP_* configuration,
python-ldap with its image libraries, the CA file mount and an opt-in live
test for the test OU.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01N3t4WL7bd9bdHHNjEsxzqC
