After an exploration session closes, the platform samples up to 3
conversation rounds and runs an independent judge-role review through
the v0.7 ChatClient seam, persisting quality-dimension conclusions
(attitude, professionalism, hallucination) into the session's
judge_review. The review runs as a background task: failures are
recorded without touching session state or the first-hand experience
record, and a missing model config skips silently.
Resident agents call GET /api/exploration/patrol once per cycle to see
every running production-line campaign that opted into exploration
(seed set present), the new results since the last watermark (reusing
campaign report aggregation), and the remaining exploration budget.
The watermark advances after each call so subsequent calls only report
increments; accelerated and terminal campaigns are excluded.
v0.9 ticket 01. Independent exploration_sessions/exploration_messages
entities (never merged into EvalRun, keeping ADR-0001/0002 semantics
intact): create/message/close APIs forward virtual-user messages through
the target's real channel, persist both parties' rows with latency, and
close with a whitelist-normalized experience record. Budget enforcement
is a platform ledger — sessions per window, turns per session, and
session interval overruns return 409 with readable reasons; accelerated
lines accept manual sessions only. Messages delivered but unanswered
still consume a turn so timeouts cannot bypass the budget.
