{"repo":"NousResearch/hermes-agent","public_id":"78205","display_label":"ACP session construction moved off event loop","summary":"A bug caused ACP session construction to block the event loop, making slow agent boot appear as a dead connection rather than a slow one. Fixes apply async single-flight and address a Windows-specific hang in session/new during agent boot.","subsystem":"acp","counts":{"members":3,"open_issues":1,"open_issues_distinct":1,"open_prs":0,"closed_issues":0,"merged_prs":1,"attempt_prs":1},"landed_fix":{"status":"merged_to_main","basis":"structural","pr":115684,"merged_at":"2026-09-19T09:43:29+00:00"},"resolution":{"state":"unresolved","by":null},"freshness":{"state":"verified","last_verified_at":"2026-09-19T09:43:29+00:00","is_stale":false},"grouping":{"backbone":"STRUCTURAL_SPANNING","link_density":0.6666666666666666},"fix_edges":[{"issue_number":58083,"pr_number":115684,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true,"pr_merged_at":"2026-09-19T09:43:29+00:00"},{"issue_number":78205,"pr_number":115684,"tier":"verified","basis":"superseded_ref","confidence":0.9,"recoverable_from_timeline":false,"pr_merged_at":"2026-09-19T09:43:29+00:00"}],"members":[{"kind":"issue","number":78205,"title":"[Bug]: ACP session construction runs on the event loop, so a slow agent boot presents as a dead connection (not a slow one)","url":null,"state":"open"},{"kind":"pr","number":85001,"title":"fix(acp): build sessions off the event loop with async single-flight","url":null,"state":"closed","close_reason":{"refs":[{"kind":"commit","value":"80f4c6d6bf","number":0},{"kind":"pr","value":"#115684","number":115684}],"category":"implemented_elsewhere","implication":"superseded"},"merged":false},{"kind":"pr","number":115684,"title":"fix(acp): session/new no longer hangs during agent boot on Windows (#58083, redo of #85001 + #91775)","url":null,"state":"merged","close_reason":{"category":"merged"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["acp_adapter/entry.py","acp_adapter/server.py","acp_adapter/session.py","plugins/memory/__init__.py","tests/acp_adapter/test_session_construction_off_loop.py"]}],"trust":{"default_tier":"verified","includes_suggested":false}}