{"repo":"NousResearch/hermes-agent","public_id":"112121","display_label":"Fix stale model name sent after /model switch","summary":"These issues and fixes address a bug where switching models mid-stream caused the old model name to be sent to the new provider, resulting in errors. The fixes ensure the current model is re-read on each stream attempt or retry after a /model switch.","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":112258,"merged_at":"2026-09-16T01:21:18+00:00"},"resolution":{"state":"resolved","by":"pr-112258"},"freshness":{"state":"verified","last_verified_at":"2026-09-16T01:21:18+00:00","is_stale":false},"grouping":{"backbone":"STRUCTURAL_SPANNING","link_density":0.5},"fix_edges":[{"issue_number":112121,"pr_number":112258,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true,"pr_merged_at":"2026-09-16T01:21:18+00:00"}],"members":[{"kind":"issue","number":112121,"title":"Fallback after /model switch sends stale model name to wrong provider (404)","url":null,"state":"closed"},{"kind":"pr","number":112125,"title":"fix(agent): rebuild stream retry after model switch","url":null,"state":"closed","close_reason":{"refs":[{"kind":"commit","value":"66c9440826","number":0},{"kind":"pr","value":"#112258","number":112258}],"category":"merged_via","implication":"superseded"},"merged":false},{"kind":"pr","number":112127,"title":"fix(agent): re-read model per stream attempt after /model switch","url":null,"state":"closed","close_reason":{"refs":[{"kind":"commit","value":"66c9440826","number":0},{"kind":"pr","value":"#112258","number":112258}],"category":"merged_via","implication":"superseded"},"merged":false},{"kind":"pr","number":112258,"title":"fix(agent): /model switch during a stalled stream no longer sends the old model to the new provider (#112121, salvage #112125, #112127)","url":null,"state":"merged","close_reason":{"category":"merged"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["agent/chat_completion_helpers.py","tests/agent/test_stream_retry_route_switch.py"]}],"trust":{"default_tier":"verified","includes_suggested":false}}