Backport: fix: Bedrock Claude Opus structured output fails after multi-step tool calls

[github-actions]

This is an automated backport of #17222 to the release-v6.0 branch. FYI @aayush-kapoor
This backport has conflicts that need to be resolved manually.

git cherry-pick output

Auto-merging packages/amazon-bedrock/src/bedrock-chat-language-model.test.ts
CONFLICT (content): Merge conflict in packages/amazon-bedrock/src/bedrock-chat-language-model.test.ts
Auto-merging packages/amazon-bedrock/src/bedrock-chat-language-model.ts
CONFLICT (content): Merge conflict in packages/amazon-bedrock/src/bedrock-chat-language-model.ts
error: could not apply b0e9d24110... fix: Bedrock Claude Opus structured output fails after multi-step tool calls (#17222)
hint: After resolving the conflicts, mark them with
hint: "git add/rm <pathspec>", then run
hint: "git cherry-pick --continue".
hint: You can instead skip this commit with "git cherry-pick --skip".
hint: To abort and get back to the state before "git cherry-pick",
hint: run "git cherry-pick --abort".
hint: Disable this message with "git config set advice.mergeConflict false"

[github-actions]

🚀 Published in:

Package	Version
ai	6.0.226 github npm
@ai-sdk/alibaba	1.0.38 github npm
@ai-sdk/amazon-bedrock	4.0.135 github npm
@ai-sdk/angular	2.0.227 github npm
@ai-sdk/anthropic	3.0.97 github npm
@ai-sdk/anthropic-aws	1.0.19 github npm
@ai-sdk/assemblyai	2.0.46 github npm
@ai-sdk/azure	3.0.89 github npm
@ai-sdk/baseten	1.0.63 github npm
@ai-sdk/black-forest-labs	1.0.47 github npm
@ai-sdk/bytedance	1.0.28 github npm
@ai-sdk/cerebras	2.0.66 github npm
@ai-sdk/cohere	3.0.48 github npm
@ai-sdk/deepgram	2.0.45 github npm
@ai-sdk/deepinfra	2.0.64 github npm
@ai-sdk/deepseek	2.0.48 github npm
@ai-sdk/elevenlabs	2.0.45 github npm
@ai-sdk/fal	2.0.46 github npm
@ai-sdk/fireworks	2.0.68 github npm
@ai-sdk/gateway	3.0.150 github npm
@ai-sdk/gladia	2.0.45 github npm
@ai-sdk/google	3.0.92 github npm
@ai-sdk/google-vertex	4.0.160 github npm
@ai-sdk/groq	3.0.52 github npm
@ai-sdk/huggingface	1.0.62 github npm
@ai-sdk/hume	2.0.45 github npm
@ai-sdk/klingai	3.0.30 github npm
@ai-sdk/langchain	2.0.234 github npm
@ai-sdk/llamaindex	2.0.226 github npm
@ai-sdk/lmnt	2.0.45 github npm
@ai-sdk/luma	2.0.45 github npm
@ai-sdk/mcp	1.0.62 github npm
@ai-sdk/mistral	3.0.49 github npm
@ai-sdk/moonshotai	2.0.36 github npm
@ai-sdk/open-responses	1.0.28 github npm
@ai-sdk/openai	3.0.85 github npm
@ai-sdk/openai-compatible	2.0.60 github npm
@ai-sdk/perplexity	3.0.46 github npm
@ai-sdk/prodia	1.0.44 github npm
@ai-sdk/provider-utils	4.0.39 github npm
@ai-sdk/quiverai	1.0.12 github npm
@ai-sdk/react	3.0.228 github npm
@ai-sdk/replicate	2.0.45 github npm
@ai-sdk/revai	2.0.45 github npm
@ai-sdk/rsc	2.0.226 github npm
@ai-sdk/svelte	4.0.226 github npm
@ai-sdk/togetherai	2.0.65 github npm
@ai-sdk/valibot	2.0.40 github npm
@ai-sdk/vercel	2.0.62 github npm
@ai-sdk/voyage	1.0.16 github npm
@ai-sdk/vue	3.0.226 github npm
@ai-sdk/xai	3.0.107 github npm