{"repo":"NousResearch/hermes-agent","public_id":"9439","display_label":"build_tool_preview max_len contract for small values","summary":"These issues and pull requests concern a bug where build_tool_preview() does not correctly respect the max_len parameter when the value is very small (under 4). Multiple fix attempts address capping or handling these edge-case inputs.","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":109134,"merged_at":"2026-09-12T15:23:43+00:00"},"resolution":{"state":"resolved","by":"pr-109134"},"freshness":{"state":"verified","last_verified_at":"2026-09-12T15:23:43+00:00","is_stale":false},"grouping":{"backbone":"STRUCTURAL_SPANNING","link_density":0.4},"fix_edges":[{"issue_number":9439,"pr_number":109134,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true,"pr_merged_at":"2026-09-12T15:23:43+00:00"}],"members":[{"kind":"issue","number":9439,"title":"build_tool_preview() breaks max_len contract for values under 4","url":null,"state":"closed"},{"kind":"pr","number":9464,"title":"fix(agent): honor max_len in build_tool_preview for values <= 3 (#9439)","url":null,"state":"closed","close_reason":{"refs":[{"kind":"commit","value":"9d09598111","number":0},{"kind":"pr","value":"#109134","number":109134}],"category":"merged_via","implication":"superseded"},"merged":false},{"kind":"pr","number":9477,"title":"fix(display): handle small max_len values in build_tool_preview()","url":null,"state":"closed","close_reason":{"category":"stale_abandoned","implication":"active"},"merged":false},{"kind":"pr","number":9497,"title":"fix(display): cap tool previews for tiny max_len values","url":null,"state":"closed","close_reason":{"refs":[{"kind":"commit","value":"9d09598111","number":0},{"kind":"pr","value":"#109134","number":109134}],"category":"merged_via","implication":"superseded"},"merged":false},{"kind":"pr","number":109134,"title":"Tool previews never exceed a tiny max_len of 1-3 (#9439, salvage #48483)","url":null,"state":"merged","close_reason":{"category":"merged"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["agent/display.py","tests/agent/test_display.py"]}],"trust":{"default_tier":"verified","includes_suggested":false}}