fix: handle image value correctly for mcp BlobResourceContents

[Soulter]

---

Motivation / 动机

修复错误

Modifications / 改动点

修复 mcp EmbeddedResource 下 BlobResourceContents 的值引用错误。

应该是 resource.blob 而不是 res.content[0].data

Verification Steps / 验证步骤

Screenshots or Test Results / 运行截图或测试结果

Compatibility & Breaking Changes / 兼容性与破坏性变更

• 这是一个破坏性变更 (Breaking Change)。/ This is a breaking change.
• 这不是一个破坏性变更。/ This is NOT a breaking change.

---

Checklist / 检查清单

• 😊 如果 PR 中有新加入的功能，已经通过 Issue / 邮件等方式和作者讨论过。/ If there are new features added in the PR, I have discussed it with the authors through issues/emails, etc.
• 👀 我的更改经过了良好的测试，并已在上方提供了“验证步骤”和“运行截图”。/ My changes have been well-tested, and "Verification Steps" and "Screenshots" have been provided above.
• 🤓 我确保没有引入新依赖库，或者引入了新依赖库的同时将其添加到了 requirements.txt 和 pyproject.toml 文件相应位置。/ I have ensured that no new dependencies are introduced, OR if new dependencies are introduced, they have been added to the appropriate locations in requirements.txt and pyproject.toml.
• 😮 我的更改没有引入恶意代码。/ My changes do not introduce malicious code.

Sourcery 总结

Bug 修复：

• 将对 res.content[0].data 的错误引用替换为 resource.blob，用于工具循环代理运行器中的图像数据处理。

Original summary in English

Summary by Sourcery

Bug Fixes:

• Replace incorrect reference to res.content[0].data with resource.blob for image data handling in tool loop agent runner.

[sourcery-ai]

嘿，你好！我已经审阅了你的更改，它们看起来很棒！

---

Sourcery 对开源项目免费 - 如果你喜欢我们的评论，请考虑分享它们 ✨

• X
• Mastodon
• LinkedIn
• Facebook

_{帮我变得更有用！请在每条评论上点击 👍 或 👎，我将利用这些反馈来改进你的评论。}

Original comment in English

Hey there - I've reviewed your changes and they look great!

---

Sourcery is free for open source - if you like our reviews please consider sharing them ✨

• X
• Mastodon
• LinkedIn
• Facebook

_{Help me be more useful! Please click 👍 or 👎 on each comment and I'll use the feedback to improve your reviews.}