{"repo":"NousResearch/hermes-agent","public_id":"51019","display_label":"Slack bot thread timestamp eviction ordering fix","summary":"A bug was identified where the Slack gateway evicted arbitrary (rather than oldest-first) thread timestamps from tracking structures, causing the bot to silently stop responding to active threads. The associated changes address eviction ordering and bounding of per-message tracking structures.","subsystem":"gateway","counts":{"members":4,"open_issues":0,"open_issues_distinct":0,"open_prs":0,"closed_issues":1,"merged_prs":1,"attempt_prs":2},"landed_fix":{"status":"merged_to_main","basis":"structural","pr":69484,"merged_at":"2026-07-23T03:59:13+00:00"},"resolution":{"state":"resolved","by":"pr-69484"},"freshness":{"state":"verified","last_verified_at":"2026-07-23T03:59:13+00:00","is_stale":false},"grouping":{"backbone":"STRUCTURAL_SPANNING","link_density":0.5},"fix_edges":[{"issue_number":51019,"pr_number":69484,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true,"pr_merged_at":"2026-07-23T03:59:13+00:00"}],"members":[{"kind":"issue","number":51019,"title":"[Bug]: Slack gateway evicts arbitrary thread timestamps from _bot_message_ts / _mentioned_threads — bot silently stops responding to active threads","url":null,"state":"closed"},{"kind":"pr","number":51023,"title":"fix(slack): sort timestamps before evicting from _bot_message_ts and …","url":null,"state":"closed","close_reason":{"category":"silent_close","implication":"active"},"merged":false},{"kind":"pr","number":51097,"title":"fix(slack): evict oldest tracked thread timestamps","url":null,"state":"closed","close_reason":{"refs":[{"kind":"pr","value":"#69484","number":69484},{"kind":"pr","value":"#51019","number":51019}],"category":"merged_via","implication":"superseded"},"merged":false},{"kind":"pr","number":69484,"title":"fix(slack): bound all per-message tracking structures with oldest-first eviction","url":null,"state":"merged","close_reason":{"category":"merged"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["contributors/emails/2418548+markoub@users.noreply.github.com","plugins/platforms/slack/adapter.py","tests/gateway/test_slack.py","tests/gateway/test_slack_approval_buttons.py"]}],"trust":{"default_tier":"verified","includes_suggested":false}}