[fix] correct logging, async stream handling, and agent task formatting

[harshithvh]

Summary

• Fixed incorrect logging of content.name → content.url
• Fixed collection of streamed responses from self.arun using async for loop
• Removed redundant model_response.extra assignment in Claude model
• Fixed typo in method name _formate_member_agent_task → _format_member_agent_task

Type of change

• Bug fix
• New feature
• Breaking change
• Improvement
• Model update
• Other:

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Checklist

• Code complies with style guidelines
• Ran format/validation scripts (./scripts/format.sh and ./scripts/validate.sh)
• Self-review completed
• Documentation updated (comments, docstrings)
• Examples and guides: Relevant cookbook examples have been included or updated (if applicable)
• Tested in clean environment
• Tests added/updated (if applicable)

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Additional Notes

Add any important context (deployment instructions, screenshots, security considerations, etc.)