AI Content Agent should use Brave Search

[srirambv]

Description

AI Content Agent should use Brave Search

Steps to reproduce

1. Enable Content AI
2. Ask a query that performs Search and generates the response
3. Doesn't use Brave Search

Actual result

Doesn't use Brave Search

Expected result

Should use Brave Search

Reproduces how often

Easily reproduced

Brave version (brave://version info)

Brave	1.86.2 Chromium: 142.0.7444.34 (Official Build) nightly (64-bit)
Revision	465baab9ff529e31f608746ab90c4a5ed18a424a
OS	Linux

Channel information

• release (stable)
• beta
• nightly

Reproducibility

• with Brave Shields disabled
• with Brave Rewards disabled
• in the latest version of Chrome

Miscellaneous information

cc: @mattmcalister @petemill

[porteron]

Should be a simple fix. @petemill We could update the client side tool definitions to include some details about preferring Brave Search. Possible there is a reason we are not using it? I have not heard of one.