{"repo":"NousResearch/hermes-agent","public_id":"67603","display_label":"Desktop model-switch causes duplicate user messages","summary":"Reports and fixes targeting a bug where switching models on desktop causes user messages to duplicate and stack. Related issues include cross-profile session bleed and unwanted system marker bubbles appearing in the UI.","subsystem":"apps/desktop","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":69861,"merged_at":"2026-07-23T05:05:26+00:00"},"resolution":{"state":"resolved","by":"pr-69861"},"freshness":{"state":"verified","last_verified_at":"2026-07-23T05:05:26+00:00","is_stale":false},"grouping":{"backbone":"STRUCTURAL_SPANNING","link_density":0.5},"fix_edges":[{"issue_number":67603,"pr_number":69682,"tier":"verified","basis":"superseded_ref","confidence":0.9,"recoverable_from_timeline":false,"pr_merged_at":"2026-07-22T23:32:20+00:00"},{"issue_number":67603,"pr_number":69861,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true,"pr_merged_at":"2026-07-23T05:05:26+00:00"},{"issue_number":68979,"pr_number":69682,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true,"pr_merged_at":"2026-07-22T23:32:20+00:00"}],"members":[{"kind":"issue","number":67603,"title":"Desktop: user messages duplicated and stacked at bottom after model switch","url":null,"state":"closed"},{"kind":"pr","number":68665,"title":"fix(desktop): stop model-switch markers duplicating user messages","url":null,"state":"closed","close_reason":{"refs":[{"kind":"pr","value":"#69861","number":69861},{"kind":"pr","value":"#69682","number":69682}],"category":"implemented_elsewhere","implication":"superseded"},"merged":false},{"kind":"pr","number":69682,"title":"fix(desktop): prevent stale optimistic tails after compression","url":null,"state":"merged","close_reason":{"category":"merged"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["apps/desktop/src/app/session/hooks/use-session-actions/utils.test.ts","apps/desktop/src/app/session/hooks/use-session-actions/utils.ts"]},{"kind":"pr","number":69861,"title":"fix(desktop): end the #67603 model-switch dup, cross-profile session bleed, and [System:] bubble","url":null,"state":"merged","close_reason":{"category":"merged"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["apps/desktop/src/app/contrib/hooks/use-desktop-integrations.ts","apps/desktop/src/app/session/hooks/use-prompt-actions/index.test.tsx","apps/desktop/src/app/session/hooks/use-prompt-actions/index.ts","apps/desktop/src/app/session/hooks/use-prompt-actions/submit.ts","apps/desktop/src/app/session/hooks/use-session-actions.test.tsx","apps/desktop/src/app/session/hooks/use-session-actions/index.ts","apps/desktop/src/app/session/hooks/use-session-actions/utils.test.ts","apps/desktop/src/app/session/hooks/use-session-actions/utils.ts","apps/desktop/src/store/session.test.ts","apps/desktop/src/store/session.ts","tests/test_tui_gateway_server.py","tui_gateway/server.py"]}],"trust":{"default_tier":"verified","includes_suggested":false}}