Fix: Security Scan Vulnerabilities (#136)

[HarshavardhanVemali]

Resolves #136.

This PR introduces fixes for the security vulnerabilities reported:

1. Removed hardcoded debug mode in Flask frontend.
2. Added missing request timeouts across Python agents.
3. Removed silent exception suppression in video-to-map agents.
4. Ran npm audit fix to update vulnerable frontend-integration dependencies.

Testing completed:

• Bandit shows 0 high/medium/low severity vulnerabilities.
• npm run build succeeds successfully on frontend.

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GSSoC Labels Requested:

• level:intermediate
• type:bug
• type:security
• quality:clean

[HarshavardhanVemali]

Hello Mentors / Maintainers! As per the GSSoC contribution guidelines, could you please review this PR and add the appropriate labels?

Suggested labels:

• level:intermediate
• type:bug
• type:security

Once reviewed, please also consider adding the gssoc:approved and mentor:username labels so the contribution counts towards GSSoC. Thank you!