ci: sanity check for prize submissions

[siddarthkay]

Summary

• This is a level 1 check for basic mistakes that can be part of the prize submissions.
• The github actions workflow will comment on the PR and will re-run when a PR is updated.

[github-actions]

❌ Validation failed

Fix before review:

• ❌ Wrong title. Rename to Solution: LP-0099 <description>.
• ❌ Solution PRs must only touch solutions/. Outside files: .github/scripts/validate-submission.sh .github/workflows/validate-submission.yml.
• ❌ Missing sections in solutions/LP-0099.md: ## Summary, ## Repository, ## Approach, ## Success Criteria Checklist, ## FURPS Self-Assessment, ### Functionality, ### Usability, ### Reliability, ### Performance, ### Supportability, ## Terms & Conditions.
• ❌ Missing repo link.
• ❌ Missing T&C acknowledgment.
• ❌ No success-criteria checklist. Mirror the criteria from the prize spec.
• ❌ Prize LP-0099 not found in prizes/. Check the ID.

Warnings (non-blocking):

• ⚠️ ### Functionality: only template prompt text. Fill in your assessment.
• ⚠️ ### Usability: only template prompt text. Fill in your assessment.
• ⚠️ ### Reliability: only template prompt text. Fill in your assessment.
• ⚠️ ### Performance: only template prompt text. Fill in your assessment.
• ⚠️ ### Supportability: only template prompt text. Fill in your assessment.

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Automated check. See solution template and TERMS.

[siddarthkay]

@mart1n-xyz : good enough for basic PR sanity checks?

[siddarthkay]

I would remove 15ca791 and merge this PR and we can tweak this workflow as it reviews actual PR submissions

[mart1n-xyz]

Thanks, @siddarthkay. Please apply any changes if desired, and we're ready to merge.