Operating System

macOS

Environment (if applicable)

Chrome

Firebase SDK Version

12.11.0

Firebase SDK Product(s)

AI

Project Tooling

any

Detailed Problem Description

Using responseSchema or responseJsonSchema in the generationConfig of an AI model causes it to throw the error: "responseMimeType must be set if responseSchema or responseJsonSchema are set."

This was introduced by #9693

See user comment for more details: #9693 (comment)

Steps and code to reproduce issue

Call a GenerativeModel method while setting responseSchema or responseJsonSchema.