{"repo":"NousResearch/hermes-agent","public_id":"111309","display_label":"Fix session poisoning from encrypted content 400 errors","summary":"A bug where certain 400 error responses (encrypted content and related provider-specific errors) were not recognized as recoverable, causing sessions to be permanently poisoned. The fixes add handling so these errors recover gracefully instead of breaking the session.","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":111437,"merged_at":"2026-09-15T13:18:32+00:00"},"resolution":{"state":"resolved","by":"pr-111437"},"freshness":{"state":"verified","last_verified_at":"2026-09-15T13:18:32+00:00","is_stale":false},"grouping":{"backbone":"STRUCTURAL_SPANNING","link_density":0.6666666666666666},"fix_edges":[{"issue_number":109572,"pr_number":111437,"tier":"verified","basis":"superseded_ref","confidence":0.9,"recoverable_from_timeline":false,"pr_merged_at":"2026-09-15T13:18:32+00:00"},{"issue_number":111309,"pr_number":111437,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true,"pr_merged_at":"2026-09-15T13:18:32+00:00"}],"members":[{"kind":"issue","number":111309,"title":"[Bug]: opencode-zen wrapped \"encrypted_content was not issued to this caller\" 400 is not classified as invalid_encrypted_content — session permanently poisoned, forces new session","url":null,"state":"closed"},{"kind":"pr","number":111312,"title":"fix(agent): recover OpenCode Zen encrypted replay errors","url":null,"state":"closed","close_reason":{"refs":[{"kind":"pr","value":"#109578","number":109578},{"kind":"pr","value":"#109572","number":109572},{"kind":"pr","value":"#111309","number":111309}],"category":"uncategorized","implication":"needs_llm"},"merged":false},{"kind":"pr","number":111437,"title":"fix(agent): opencode-zen encrypted-reasoning and NVIDIA NIM tool-content 400s now recover instead of poisoning the session (#111309, #111231, salvage #111312 #111236)","url":null,"state":"merged","close_reason":{"category":"merged"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["agent/error_classifier.py","tests/agent/test_error_classifier.py","tests/agent/test_multimodal_tool_content_recovery.py"]}],"trust":{"default_tier":"verified","includes_suggested":false}}