{"repo":"NousResearch/hermes-agent","public_id":"103788","display_label":"Fallback chain lost on model switch bug","summary":"These issues and PRs concern a bug where switching models causes custom fallback chain entries to be silently dropped or pruned. The work focuses on preserving user-defined fallback configurations across model switches.","subsystem":"agent","counts":{"members":4,"open_issues":1,"open_issues_distinct":1,"open_prs":2,"closed_issues":0,"merged_prs":0,"attempt_prs":3},"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":0.5},"fix_edges":[],"members":[{"kind":"issue","number":103788,"title":"[Bug]: switch_model() silently empties fallback_providers chain when entries use bare 'custom' provider","url":null,"state":"open"},{"kind":"pr","number":103804,"title":"fix(agent): keep custom fallbacks available after model switches","url":null,"state":"open","close_reason":{"category":"partial_fix","implication":"needs_llm"},"merged":false},{"kind":"pr","number":103817,"title":"fix(agent): preserve custom fallback chain entries during model switch (#103788)","url":null,"state":"open","close_reason":{"category":"implemented_elsewhere","implication":"superseded"},"merged":false},{"kind":"pr","number":103819,"title":"fix(switch_model): prune fallback chain by endpoint identity, not provider string","url":null,"state":"closed","close_reason":{"refs":[{"kind":"pr","value":"#103788","number":103788},{"kind":"pr","value":"#103804","number":103804},{"kind":"pr","value":"#103817","number":103817},{"kind":"pr","value":"#103804","number":103804},{"kind":"pr","value":"#103819","number":103819},{"kind":"pr","value":"#103817","number":103817}],"category":"superseded_by_pr","implication":"superseded"},"merged":false}],"trust":{"default_tier":"verified","includes_suggested":false}}