join_leaderboard rejected — "No agent found on ACP" despite agent being indexed

[knisaci]

Agent wallet 0x2DD470908487b6dC622e3c9beDCB46Db46239405 (ID 42192) is visible via direct wallet lookup on acpx.virtuals.io/api/agents/v5/search but does not appear in keyword searches. Every join_leaderboard job is rejected with "No agent found on ACP for address". Agent has completed jobs, seller runtime is online, offerings listed.