[Bug]: Image Processing Error with Firebase File Strategy

[lurkerCha]

What happened?

When attempting to use the Nano Banana feature with Firebase configured as the file storage strategy, image processing fails with the following error:
Something went wrong. Here's the specific error message we encountered: An error occurred while processing the request: Please provide image as base64 encoded data URL

Version Information

211b39f

Steps to Reproduce

1. Create an agent and add Gemini Image Tools for the tool.
2. Select the agent and attach an image together with the prompt

What browsers are you seeing the problem on?

Chrome

Relevant log output

error: [api/server/controllers/agents/client.js #sendCompletion] Operation aborted Please provide image as base64 encoded data URL
error: [api/server/controllers/agents/client.js #sendCompletion] Unhandled error type Please provide image as base64 encoded data URL

Screenshots

No response

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