feat: warn about context-cache loss when switching model or thinking effort - #1763
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This was referenced Jul 16, 2026
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…effort (MoonshotAI#1763) * feat: warn about context-cache loss when switching model or thinking effort * chore: polish the switch warning copy * feat: wrap the switch warning instead of truncating it * chore: bold /new in the switch warning * Revert "chore: bold /new in the switch warning" This reverts commit a438e87. * chore: align the changeset with the warning copy
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…effort (MoonshotAI#1763) * feat: warn about context-cache loss when switching model or thinking effort * chore: polish the switch warning copy * feat: wrap the switch warning instead of truncating it * chore: bold /new in the switch warning * Revert "chore: bold /new in the switch warning" This reverts commit a438e87. * chore: align the changeset with the warning copy
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Related Issue
No linked issue — see the problem described below.
Problem
Once a conversation has started, switching the model or thinking effort resends the accumulated context, invalidating the provider's prompt cache and increasing token usage. The /model and /effort pickers gave no indication of this cost, so users would switch mid-conversation without realizing it gets more expensive.
What changed
warningoption, keeping components purely presentational.Checklist
gen-changesetsskill, or this PR needs no changeset.gen-docsskill: no doc update needed — this is an informational line in an existing dialog, no commands or configuration changed.