{"repo":"NousResearch/hermes-agent","public_id":"74478","display_label":"Session write-lock contention causing turn failures","summary":"A bug where sibling processes holding the state.db write lock for a few seconds could abort turns with session persistence failures. Fixes introduce time-based lock patience with backoff jitter to tolerate brief lock contention.","subsystem":"hermes_cli","counts":{"members":4,"open_issues":0,"open_issues_distinct":0,"open_prs":0,"closed_issues":1,"merged_prs":2,"attempt_prs":1},"landed_fix":{"status":"merged_to_main","basis":"structural","pr":75885,"merged_at":"2026-08-01T06:33:13+00:00"},"resolution":{"state":"resolved","by":"pr-74480"},"freshness":{"state":"verified","last_verified_at":"2026-08-01T06:33:13+00:00","is_stale":false},"grouping":{"backbone":"STRUCTURAL_SPANNING","link_density":0.5},"fix_edges":[{"issue_number":74465,"pr_number":75885,"tier":"verified","basis":"superseded_ref","confidence":0.9,"recoverable_from_timeline":false,"pr_merged_at":"2026-08-01T06:33:13+00:00"},{"issue_number":74478,"pr_number":74480,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true,"pr_merged_at":"2026-07-30T00:59:03+00:00"},{"issue_number":74478,"pr_number":75885,"tier":"verified","basis":"superseded_ref","confidence":0.9,"recoverable_from_timeline":false,"pr_merged_at":"2026-08-01T06:33:13+00:00"}],"members":[{"kind":"issue","number":74478,"title":"[Bug]: Turn aborted as session_persistence_failed / SessionDB init disabled when a sibling process holds the state.db write lock for a few seconds","url":null,"state":"closed"},{"kind":"pr","number":74480,"title":"fix(state): time-based write-lock patience so busy sibling processes can't destroy turns","url":null,"state":"merged","close_reason":{"category":"merged"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["hermes_state.py","tests/state/test_write_lock_patience.py"]},{"kind":"pr","number":74503,"title":"fix(sessiondb): time-based lock patience with backoff jitter (#74478)","url":null,"state":"closed","close_reason":{"refs":[{"kind":"commit","value":"8da8a7887d","number":0},{"kind":"pr","value":"#74480","number":74480},{"kind":"pr","value":"#75885","number":75885}],"category":"superseded_by_pr","implication":"superseded"},"merged":false},{"kind":"pr","number":75885,"title":"fix(config): refuse writes over corrupt YAML; fix same-URL provider extra_headers shadowing","url":null,"state":"merged","close_reason":{"category":"merged"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["hermes_cli/config.py","tests/hermes_cli/test_custom_provider_extra_headers.py","tests/hermes_cli/test_set_config_value.py"]}],"trust":{"default_tier":"verified","includes_suggested":false}}