{"repo":"NousResearch/hermes-agent","public_id":"56516","display_label":"Fix empty stream error for reasoning model deltas","summary":"These issues and PRs address a bug where streaming reasoning models incorrectly trigger an 'empty stream' error because reasoning content arrives in delta.model_extra rather than standard fields. The fixes update handling to recognize reasoning deltas as valid stream content.","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":115800,"merged_at":"2026-09-19T16:50:11+00:00"},"resolution":{"state":"resolved","by":"pr-115800"},"freshness":{"state":"verified","last_verified_at":"2026-09-19T16:50:11+00:00","is_stale":false},"grouping":{"backbone":"STRUCTURAL_SPANNING","link_density":0.6666666666666666},"fix_edges":[{"issue_number":56516,"pr_number":115800,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true,"pr_merged_at":"2026-09-19T16:50:11+00:00"},{"issue_number":110783,"pr_number":115800,"tier":"verified","basis":"superseded_ref","confidence":0.9,"recoverable_from_timeline":false,"pr_merged_at":"2026-09-19T16:50:11+00:00"}],"members":[{"kind":"issue","number":56516,"title":"[Bug]: Streaming reasoning models may incorrectly trigger \"Provider returned an empty stream\"","url":null,"state":"closed"},{"kind":"pr","number":56789,"title":"fix(provider): handle reasoning deltas in model_extra","url":null,"state":"closed","close_reason":{"refs":[{"kind":"commit","value":"eed6fa2a0a5f","number":0},{"kind":"pr","value":"#115800","number":115800},{"kind":"pr","value":"#56516","number":56516},{"kind":"pr","value":"#56789","number":56789}],"category":"merged_via","implication":"superseded"},"merged":false},{"kind":"pr","number":115800,"title":"fix(agent): reasoning-only streams carrying reasoning in delta.model_extra no longer fail as an empty stream (#56516, salvage #56789)","url":null,"state":"merged","close_reason":{"category":"merged"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["agent/auxiliary_client.py","agent/chat_completion_helpers.py","contributors/emails/[redacted:email]","tests/agent/test_aux_progress_streaming.py","tests/agent/test_run_agent.py"]}],"trust":{"default_tier":"verified","includes_suggested":false}}