{"repo":"NousResearch/hermes-agent","public_id":"59496","display_label":"Context compression skips empty windows, fixes edge cases","summary":"These issues and fixes address bugs where context compression was incorrectly triggered on empty message windows, particularly after summary boundary adjustments, and includes a related fix to count no-op compressions toward the anti-thrashing guard.","subsystem":"agent","counts":{"members":5,"open_issues":0,"open_issues_distinct":0,"open_prs":0,"closed_issues":1,"merged_prs":1,"attempt_prs":3},"landed_fix":{"status":"merged_to_main","basis":"structural","pr":70251},"resolution":{"state":"unresolved","by":null},"freshness":{"state":"verified","last_verified_at":"2026-07-23T23:27:06+00:00","is_stale":false},"grouping":{"backbone":"STRUCTURAL_SPANNING","link_density":0.4},"fix_edges":[{"issue_number":59496,"pr_number":70251,"tier":"verified","basis":"superseded_ref","confidence":0.9,"recoverable_from_timeline":false}],"members":[{"kind":"issue","number":59496,"title":"[Bug]: Context compression calls context engine with empty window after summary boundary adjustment","url":null,"state":"closed"},{"kind":"pr","number":59526,"title":"fix(compression): skip empty post-handoff summary windows","url":null,"state":"closed","close_reason":{"refs":[{"kind":"pr","value":"#70251","number":70251},{"kind":"pr","value":"#59737","number":59737}],"category":"merged_via","implication":"superseded"},"merged":false},{"kind":"pr","number":59737,"title":"fix(agent): skip compression when latest summary leaves no messages to summarize","url":null,"state":"closed","close_reason":{"refs":[{"kind":"pr","value":"#70251","number":70251},{"kind":"pr","value":"#59526","number":59526}],"category":"implemented_elsewhere","implication":"superseded"},"merged":false},{"kind":"pr","number":60579,"title":"fix(compression): skip empty summary windows","url":null,"state":"closed","close_reason":{"refs":[{"kind":"pr","value":"#59526","number":59526},{"kind":"pr","value":"#59496","number":59496},{"kind":"pr","value":"#59526","number":59526}],"category":"duplicate_of","implication":"duplicate"},"merged":false},{"kind":"pr","number":70251,"title":"fix(compression): skip empty post-handoff summary windows (salvage #59526)","url":null,"state":"merged","close_reason":{"category":"merged","implication":"superseded"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["agent/context_compressor.py","contributors/emails/[redacted:email]","tests/agent/test_context_compressor_summary_continuity.py"]}],"trust":{"default_tier":"verified","includes_suggested":false}}