fix: correct image upload field for ollama llama3.2-vision

[samurai00]

💻 变更类型 | Change Type

• ✨ feat
• 🐛 fix
• ♻️ refactor
• 💄 style
• 👷 build
• ⚡️ perf
• 📝 docs
• 🔨 chore

🔀 变更说明 | Description of Change

• Fix image data not being passed to correct field in API request for ollama
• Enable proper image recognition functionality for llama3.2-vision model

📝 补充信息 | Additional Information

fix #4642
Related #3888

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[arvinxx]

have you tried with client fetch?

[vercel]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.26%. Comparing base (32630fa) to head (34e4a6d).
Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4697      +/-   ##
==========================================
+ Coverage   92.44%   97.26%   +4.82%     
==========================================
  Files         524       27     -497     
  Lines       36893     3843   -33050     
  Branches     2518      168    -2350     
==========================================
- Hits        34104     3738   -30366     
+ Misses       2789      105    -2684     

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[samurai00]

have you tried with client fetch?

I found the imageUrlToBase64 method in anthropicHelpers.ts, which is used in Anthropic's agent-runtime. Looking at the implementation, it's just using fetch and then converting to base64.