{"repo":"NousResearch/hermes-agent","public_id":"82756","display_label":"Truncation logic bugs causing message loss","summary":"These issues and fixes relate to incorrect truncation ordinal/address space handling in gateway state and desktop session history, where stale or mis-aimed truncation values risk silently deleting messages. Multiple recurrences of the same class of bug are represented.","subsystem":null,"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":82950,"merged_at":"2026-08-10T05:31:16+00:00"},"resolution":{"state":"resolved","by":"pr-82950"},"freshness":{"state":"verified","last_verified_at":"2026-08-10T05:31:16+00:00","is_stale":false},"grouping":{"backbone":"STRUCTURAL_SPANNING","link_density":0.5},"fix_edges":[{"issue_number":82756,"pr_number":82950,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true,"pr_merged_at":"2026-08-10T05:31:16+00:00"}],"members":[{"kind":"issue","number":82756,"title":"[Bug]: Desktop plain-Enter submit silently deleted ~65 messages — stale truncate_before_user_ordinal + auto-attached confirm_truncate (3rd occurrence after #70516, #80763)","url":null,"state":"closed"},{"kind":"pr","number":82766,"title":"fix(desktop): preserve session history using message_id truncation","url":null,"state":"closed","close_reason":{"refs":[{"kind":"pr","value":"#82756","number":82756},{"kind":"pr","value":"#82811","number":82811},{"kind":"pr","value":"#82950","number":82950}],"category":"implemented_elsewhere","implication":"superseded"},"merged":false},{"kind":"pr","number":82811,"title":"fix(gateway/state): fix the truncate ordinal address space and make a mis-aimed rewind recoverable (#82756)","url":null,"state":"closed","close_reason":{"refs":[{"kind":"pr","value":"#82950","number":82950},{"kind":"pr","value":"#82766","number":82766}],"category":"merged_via","implication":"superseded"},"merged":false},{"kind":"pr","number":82950,"title":"fix(gateway/state): correct the truncate ordinal address space and make rewind truncation recoverable (#82756)","url":null,"state":"merged","close_reason":{"category":"merged"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["apps/desktop/src/lib/chat-messages.test.ts","apps/desktop/src/lib/chat-messages.ts","apps/desktop/src/types/hermes.ts","contributors/emails/StanleyStetson@users.noreply.github.com","contributors/emails/[redacted:email]","hermes_state.py","tests/hermes_state/test_replace_messages_archive_siblings.py","tests/test_tui_gateway_server.py","tui_gateway/methods_prompt.py","tui_gateway/methods_session.py","tui_gateway/server.py","ui-tui/src/domain/messages.ts","website/docs/developer-guide/programmatic-integration.md"]}],"trust":{"default_tier":"verified","includes_suggested":false}}