@langchain/google@0.2.15

Patch Changes

• #12219 bef937b Thanks @afirstenberg! - - Add gemini-4-hydrogen model profile.

  • Support the xhigh (XHIGH) thinking level (clamping to HIGH on models
    that do not support XHIGH and passing through future thinking levels on level-based models).

• #12189 571a1b4 Thanks @hntrl! - fix(google): add Gemini 4 Carbon model capability profile