Upgrade Next.js dependencies and harden contributor fetch

[minorcell]

Summary

• bump Next.js-related dependencies to 15.1.4 and align npm/pnpm lockfiles
• standardize npm registry configuration on npmjs for consistent installs
• add resilient GitHub contributor fetching with revalidation to avoid build failures when offline

Testing

• CI=1 pnpm build

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Codex Task

✨ PR Description

Purpose: Upgrade Next.js from 15.0.4 to 15.1.4 to patch RCE vulnerability and improve contributor fetch resilience with proper error handling.

Main changes:

• Updated Next.js and @next/mdx dependencies to version 15.1.4 to address security vulnerability
• Added comprehensive error handling in getContributors with try-catch and HTTP status validation
• Configured .npmrc with explicit registry settings to prevent dependency confusion attacks
• Implemented hourly revalidation cache strategy to reduce GitHub API rate limit pressure

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Project	Deployment	Preview	Comments	Updated (UTC)
perfedge	Error			Dec 5, 2025 7:43am

[linearb]

✨ PR Review

LGTM

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