feat: add fallback chat model chain in tool loop runner#5109

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Soulter merged 3 commits intomasterfrom

feat/fallback-chat-models

Feb 15, 2026

Commits on Feb 15, 2026

feat: implement fallback provider support for chat models and update configuration
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feat: enhance provider selection display with count and chips for selected providers
Soulter
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feat: update fallback chat providers to use provider settings and add warning for non-list fallback models
Soulter
committed