{"repo":"NousResearch/hermes-agent","public_id":"102148","display_label":"Fallback ignores API mode, causes 500 errors","summary":"A bug where fallback activation ignores the opencode_model_api_mode setting, routing Responses-only models through the wrong endpoint and producing deterministic 500 errors. The accompanying fixes attempt to honor that setting during fallback selection.","subsystem":null,"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":113442,"merged_at":"2026-09-16T21:24:30+00:00"},"resolution":{"state":"resolved","by":"pr-113442"},"freshness":{"state":"verified","last_verified_at":"2026-09-16T21:24:30+00:00","is_stale":false},"grouping":{"backbone":"STRUCTURAL_SPANNING","link_density":0.6666666666666666},"fix_edges":[{"issue_number":102148,"pr_number":113442,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true,"pr_merged_at":"2026-09-16T21:24:30+00:00"}],"members":[{"kind":"issue","number":102148,"title":"[Bug] Fallback activation ignores opencode_model_api_mode — Responses-only models (muse-spark) on opencode-go sent via /chat/completions → deterministic 500","url":null,"state":"closed"},{"kind":"pr","number":102229,"title":"fix(agent): honor opencode_model_api_mode in fallback activation (fixes #102148)","url":null,"state":"closed","close_reason":{"refs":[{"kind":"commit","value":"6eef5ea0bbe266a9f4e472c3569a243c185bd7dc","number":0},{"kind":"pr","value":"#113442","number":113442}],"category":"merged_via","implication":"superseded"},"merged":false},{"kind":"pr","number":113442,"title":"fix(fallback): OpenCode fallback entries land on the model's wire — Muse Spark no longer 500s on /chat/completions (#102148, salvage #102229)","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_fallback_api_mode_preservation.py"]}],"trust":{"default_tier":"verified","includes_suggested":false}}