{"repo":"NousResearch/hermes-agent","public_id":"92281","display_label":"Fix stdout buffering in headless/piped mode","summary":"These members address an issue where stdout is block-buffered instead of line-buffered when running without a TTY, causing output to appear stalled. A fix applies line-buffering to piped stdout so output streams in real time during headless operation.","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":121601,"merged_at":"2026-09-24T17:02:59+00:00"},"resolution":{"state":"resolved","by":"pr-121601"},"freshness":{"state":"verified","last_verified_at":"2026-09-24T17:02:59+00:00","is_stale":false},"grouping":{"backbone":"STRUCTURAL_SPANNING","link_density":0.5},"fix_edges":[{"issue_number":43238,"pr_number":121601,"tier":"verified","basis":"superseded_ref","confidence":0.9,"recoverable_from_timeline":false,"pr_merged_at":"2026-09-24T17:02:59+00:00"},{"issue_number":47116,"pr_number":121601,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true,"pr_merged_at":"2026-09-24T17:02:59+00:00"},{"issue_number":65666,"pr_number":121601,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true,"pr_merged_at":"2026-09-24T17:02:59+00:00"},{"issue_number":92281,"pr_number":121601,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true,"pr_merged_at":"2026-09-24T17:02:59+00:00"}],"members":[{"kind":"issue","number":92281,"title":"[Bug]: stdout is block-buffered when hermes runs headless (piped, no TTY), making live agent work look like a stall","url":null,"state":"closed"},{"kind":"pr","number":92288,"title":"fix(logging): line-buffer a piped stdout so headless log streams track the agent loop","url":null,"state":"closed","close_reason":{"refs":[{"kind":"commit","value":"ed805bf328","number":0},{"kind":"pr","value":"#121601","number":121601},{"kind":"pr","value":"#92281","number":92281}],"category":"merged_via","implication":"superseded"},"merged":false},{"kind":"pr","number":92451,"title":"fix(cli): line-buffer stdout when headless so piped output streams live","url":null,"state":"closed","close_reason":{"refs":[{"kind":"commit","value":"ed805bf328","number":0},{"kind":"pr","value":"#92281","number":92281},{"kind":"pr","value":"#121601","number":121601}],"category":"implemented_elsewhere","implication":"superseded"},"merged":false},{"kind":"pr","number":121601,"title":"fix(cli): stream answers after reasoning, no double-render of interrupted streamed replies, line-buffer headless stdout","url":null,"state":"merged","close_reason":{"category":"merged"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["hermes_cli/cli_chat_turn_mixin.py","hermes_cli/cli_init_mixin.py","hermes_cli/cli_stream_mixin.py","hermes_logging.py","tests/hermes_cli/test_status_lines_held_during_stream_box.py","tests/hermes_cli/test_stream_delta_think_tag.py","tests/test_hermes_logging.py"]}],"trust":{"default_tier":"verified","includes_suggested":false}}