Cairn

Fallback chain lost on model switch bug

NousResearch/hermes-agent · cluster 103788 · agent

Data as of

3 open items. Fix attempted, not merged.

The short answer

1open issue
2open PRs
4items grouped
Known?
Yes. 4 related items grouped here, 0 issues already closed.
Fix event
No fix has been merged to main. 1 PR closed without merging; see the attempts below.
Tracker
The maintainers' tracker marks this unresolved. That is separate from the fix event.
Still open
1 issue and 2 PRs.

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.

Open issues1

  • Issue#103788[Bug]: switch_model() silently empties fallback_providers chain when entries use bare 'custom' provider

Open PRs2

  • PR#103804fix(agent): keep custom fallbacks available after model switches
  • PR#103817fix(agent): preserve custom fallback chain entries during model switch (#103788)

1 PR closed without merging

From the close comments: superseded by another PR 1

  • #103819 fix(switch_model): prune fallback chain by endpoint identity, not provider string · superseded by another PR → #103788, #103804, #103817, #103819
How this cluster was grouped
  • Link evidence (structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
  • Pairwise link density 0.50: the share of item pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36. 1.00 means every pair is linked.

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At a glance

Subsystem
agent
Closed issues
0
Attempts
1 PR closed without merging

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