{"repo":"NousResearch/hermes-agent","public_id":"82956","display_label":"Archive-mode rewind prefix duplication bug fix","summary":"A bug causes archive-mode rewind to duplicate the kept prefix on every rewind with no pruning, leading to O(prefix × rewinds) growth. The fix changes the behavior to archive only the dropped suffix instead.","subsystem":"agent","counts":{"members":3,"open_issues":0,"open_issues_distinct":0,"open_prs":0,"closed_issues":1,"merged_prs":1,"attempt_prs":1},"landed_fix":{"status":"merged_to_main","basis":"structural","pr":117109,"merged_at":"2026-09-20T11:17:30+00:00"},"resolution":{"state":"resolved","by":"pr-117109"},"freshness":{"state":"verified","last_verified_at":"2026-09-20T11:17:30+00:00","is_stale":false},"grouping":{"backbone":"STRUCTURAL_SPANNING","link_density":0.6666666666666666},"fix_edges":[{"issue_number":82956,"pr_number":117109,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true,"pr_merged_at":"2026-09-20T11:17:30+00:00"}],"members":[{"kind":"issue","number":82956,"title":"state: archive-mode rewind duplicates the kept prefix per rewind with no pruning path (O(prefix × rewinds) growth)","url":null,"state":"closed"},{"kind":"pr","number":102362,"title":"fix: state: archive-mode rewind duplicates the kept prefix per rewind with no pruning path (O(prefix × rewinds) growth) (#82956)","url":null,"state":"closed","close_reason":{"refs":[{"kind":"pr","value":"#82956","number":82956},{"kind":"pr","value":"#117109","number":117109}],"category":"superseded_by_pr","implication":"superseded"},"merged":false},{"kind":"pr","number":117109,"title":"state: archive-mode rewind archives only the dropped suffix instead of duplicating the kept prefix on every rewind (#82956)","url":null,"state":"merged","close_reason":{"category":"merged"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["hermes_state_messages.py","hermes_state_rewind.py","tests/hermes_state/test_replace_messages_archives_suffix_only.py","tests/tui_gateway/test_session_profile_db.py","tests/tui_gateway/test_tui_gateway_server.py","tui_gateway/methods_prompt.py"]}],"trust":{"default_tier":"verified","includes_suggested":false}}