# NousResearch/hermes-agent · Session model mismatch causing per-turn agent rebuild

## Open now

- 1 issue, 0 PRs open on GitHub.
- #105979: \[Bug\] Agent rebuilt on every turn after /model switching to a model with a different api_mode route than the configured default

These items address a bug where the session model was not being passed as the target model during credential refresh, causing the agent to rebuild on every turn after switching to a model with a different API mode route. Fixes were applied in both CLI and agent layers.

## TL;DR

- 3 member(s): 1 open issue(s), 0 closed issue(s), 0 open PR(s), 0 merged PR(s), 2 PR(s) closed without merging.
- No fix has been merged to main; one or more PRs were attempted (see below).
- **Recommended:** review the prior/competing PR(s) below. A fix was attempted but not merged; your case may extend or revive that work.

## Maintainer resolution verdict

- Internal-tracker verdict over this cluster's issue members: `unresolved`. This is distinct from the fix status above. Weigh it yourself.

## How this cluster was grouped

- Link evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
- Pairwise link density `0.67`: the share of member 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.

## Open related issues

- #105979: \[Bug\] Agent rebuilt on every turn after /model switching to a model with a different api_mode route than the configured default

## Prior & competing PRs

- **#106296: fix(agent): pass session model as target_model in credential refresh to prevent per-turn agent rebuild**. closed without merge
  - maintainer direction: category `uncategorized`; implication `needs_llm`
- **#127689: fix(cli): pass session model as target_model in credential refresh**. closed without merge
  - maintainer direction: category `silent_close`; implication `active`

## Fix status

- No merged fix on record.
- Subsystem: `hermes_cli`