fix: add .catch() to promise chains

[saurabhhhcodes]

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[github-actions]

GSSoC Label Checklist 🏷️

@Priyanshu-byte-coder — please apply the appropriate labels before merging:

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• level:beginner — 20 pts
• level:intermediate — 35 pts
• level:advanced — 55 pts
• level:critical — 80 pts

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• quality:clean — ×1.2 multiplier
• quality:exceptional — ×1.5 multiplier

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Points formula: (difficulty × quality_multiplier) + type_bonus

[Priyanshu-byte-coder]

Closing — the change is incorrect. It moves the radix argument into the wrong function:

- parseInt(req.nextUrl.searchParams.get("days") ?? "90", 10)
+ parseInt(req.nextUrl.searchParams.get("days", 10) ?? "90", 10)

URLSearchParams.get() takes exactly one argument, so this breaks the build (TS2554: Expected 1 arguments, but got 2). And it wasn't needed — parseInt already had its radix 10 as the second argument, which is the correct place for it.

Note the title doesn't match the diff either. Please run pnpm type-check locally before pushing.