* Remove dead Gemini 1.5 models, and clean up
* Remove dead models (error 404): Gemini 1.5, `gemini-2.5-pro-exp-03-25`, `gemini-2.5-flash-preview-04-17`
* Adjust the Gemini → descriptions
* Assign default models to 2.5 Pro and Sonnet 4.5 (3.5 and 3.7 will be retiring soon)
* Add `gemini-2.5-flash-image`
* Don't forget learnlm-1.5-pro
* Update default claude
* Vertex: Clean-up 2.5 preview models
* Disable thinking for 2.5-flash-image
* Bring back banana preview
* Update defaults in more places
* Add gemini preview-09-2025 and robotics-er
* unbrick my last commit
* Add gemini-robotics-er to captions
* Set max context for gemini-robotics-er
dang
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Co-authored-by: Cohee <18619528+Cohee1207@users.noreply.github.com>
cloak1505
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