{"repo":"NousResearch/hermes-agent","public_id":"80308","display_label":"Binary file detection logic fixes and corrections","summary":"These issues and pull requests address incorrect binary file detection in file-reading and search tools, specifically around flawed heuristics involving U+FFFD replacement characters and NUL bytes that caused valid UTF-8 files (including CJK content) to be misidentified as binary.","subsystem":null,"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":81961},"resolution":{"state":"unresolved","by":null},"freshness":{"state":"verified","last_verified_at":"2026-08-08T19:34:07+00:00","is_stale":false},"grouping":{"backbone":"STRUCTURAL_SPANNING","link_density":0.4},"fix_edges":[{"issue_number":76886,"pr_number":81961,"tier":"verified","basis":"superseded_ref","confidence":0.9,"recoverable_from_timeline":false},{"issue_number":80308,"pr_number":81961,"tier":"verified","basis":"superseded_ref","confidence":0.9,"recoverable_from_timeline":false},{"issue_number":81480,"pr_number":81961,"tier":"verified","basis":"superseded_ref","confidence":0.9,"recoverable_from_timeline":false},{"issue_number":81651,"pr_number":81961,"tier":"verified","basis":"superseded_ref","confidence":0.9,"recoverable_from_timeline":false}],"members":[{"kind":"issue","number":80308,"title":"[Bug]: read_file incorrectly flags valid UTF-8 CJK files as binary, and search_files is completely broken (returns 0 for all queries)","url":null,"state":"closed"},{"kind":"pr","number":76934,"title":"fix(tools): keep invalid UTF-8 boundaries binary","url":null,"state":"closed","close_reason":{"refs":[{"kind":"pr","value":"#81961","number":81961},{"kind":"pr","value":"#76924","number":76924},{"kind":"pr","value":"#80440","number":80440}],"category":"superseded_by_pr","implication":"superseded"},"merged":false},{"kind":"pr","number":80349,"title":"fix: verify NUL bytes before flagging U+FFFD samples as binary (#80308)","url":null,"state":"closed","close_reason":{"refs":[{"kind":"pr","value":"#76925","number":76925}],"category":"duplicate_of","implication":"duplicate"},"merged":false},{"kind":"pr","number":80749,"title":"fix(tools): use NUL-byte check for binary detection instead of U+FFFD (#80308)","url":null,"state":"closed","close_reason":{"refs":[{"kind":"pr","value":"#76925","number":76925}],"category":"duplicate_of","implication":"duplicate"},"merged":false},{"kind":"pr","number":81961,"title":"fix(file-ops): stop flagging boundary-cut UTF-8 as binary across read_file/patch/search_files","url":null,"state":"merged","close_reason":{"category":"merged","implication":"superseded"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["contributors/emails/[redacted:email]","tests/tools/test_file_operations.py","tests/tools/test_read_file_utf8_binary_regression.py","tools/file_operations.py"]}],"trust":{"default_tier":"verified","includes_suggested":false}}