{"repo":"NousResearch/hermes-agent","public_id":"121973","display_label":"json_schema response_format causes 400 errors in title generation","summary":"These items concern a bug where title generation fails with 400 errors because the json_schema response_format is rejected by certain model backends (specifically opencode-go with deepseek). The fixes involve skipping or handling json_schema in affected contexts.","subsystem":"agent","counts":{"members":3,"open_issues":1,"open_issues_distinct":1,"open_prs":2,"closed_issues":0,"merged_prs":0,"attempt_prs":2},"landed_fix":null,"resolution":{"state":"unresolved","by":null},"freshness":{"state":"never_verified","last_verified_at":null,"is_stale":false},"grouping":{"backbone":"STRUCTURAL_SPANNING","link_density":0.6666666666666666},"fix_edges":[],"members":[{"kind":"issue","number":121973,"title":"[Bug]: title generation always 400s on opencode-go deepseek-v4.1-flash (json_schema rejected, error body not recognized)","url":null,"state":"open"},{"kind":"pr","number":121975,"title":"fix(opencode-go): skip json_schema response_format so title generation stops 400ing","url":null,"state":"open","close_reason":{"refs":[{"kind":"pr","value":"#121980","number":121980}],"category":"wontfix_bydesign","implication":"wontfix"},"merged":false},{"kind":"pr","number":121980,"title":"fix(aux): hear OpenCode's bare model-echo 400 rejecting json_schema","url":null,"state":"open","close_reason":{"refs":[{"kind":"pr","value":"#121980","number":121980},{"kind":"pr","value":"#121975","number":121975}],"category":"merged_via","implication":"superseded"},"merged":false}],"trust":{"default_tier":"verified","includes_suggested":false}}