{"repo":"NousResearch/hermes-agent","public_id":"131412","display_label":"Compression wedge bug with oversized session history","summary":"These items address a bug where compression stalls on long tool-only or oversized sessions because the assistant tail anchor is unbounded, causing middle_window_tokens to stay at zero and leaving no compressible history.","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":132160,"merged_at":"2026-10-03T12:08:03+00:00"},"resolution":{"state":"resolved","by":"pr-132160"},"freshness":{"state":"verified","last_verified_at":"2026-10-03T12:08:03+00:00","is_stale":false},"grouping":{"backbone":"STRUCTURAL_SPANNING","link_density":0.6666666666666666},"fix_edges":[{"issue_number":131412,"pr_number":132160,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true,"pr_merged_at":"2026-10-03T12:08:03+00:00"}],"members":[{"kind":"issue","number":131412,"title":"[Bug]: [Bug]: Current main cannot compact oversized openai-codex session — middle_window_tokens stays 0 and protected tail consumes all compressible history","url":null,"state":"closed"},{"kind":"pr","number":131445,"title":"fix(compression): bound the assistant tail anchor by the soft ceiling (#131412)","url":null,"state":"closed","close_reason":{"refs":[{"kind":"commit","value":"bd0affe5e5","number":0},{"kind":"pr","value":"#131412","number":131412},{"kind":"pr","value":"#29824","number":29824}],"category":"merged_via","implication":"superseded"},"merged":false},{"kind":"pr","number":132160,"title":"Compression no longer wedges on a long tool-only turn (#131412, salvage #131445)","url":null,"state":"merged","close_reason":{"category":"merged"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["agent/context_compressor.py","tests/agent/test_split_turn_compaction.py"]}],"trust":{"default_tier":"verified","includes_suggested":false}}