Per-feed projection used in the get_server_health response.
Preserves the existing lastSuccess / lastError / lastAttempt
fields (backward compatible) and adds a lastProbedAt alias for
lastAttempt so consumers can judge cache staleness
(see issue #1, recommendation 3).
Per-feed projection used in the
get_server_healthresponse.Preserves the existing
lastSuccess/lastError/lastAttemptfields (backward compatible) and adds alastProbedAtalias forlastAttemptso consumers can judge cache staleness (see issue #1, recommendation 3).