Use structured output for interior_design app

[yanxi0830]

🚀 The feature, motivation and pitch

• interior_design_assistant app expects JSON structured output, however model output may not be valid JSON.
• Use response_format to generate structured output into valid JSON format.

Alternatives

No response

Additional context

No response

[Anirudh2112]

Hi @yanxi0830, I would like to work on this. Could you assign this to me?

[yanxi0830]

Hi @yanxi0830, I would like to work on this. Could you assign this to me?

Of course! Thanks!

[Anirudh2112]

I have made the changes and committed a PR. Please go through it and let me know if something is wrong or if any changes are required