Fix GitHub Pages deploy by exporting Next.js build to frontend/out

[Copilot]

The build-and-deploy workflow failed because actions/upload-pages-artifact expects ./frontend/out, but the frontend build produced only .next. This PR aligns Next.js output with the deploy workflow artifact path.

• Build output alignment

  • Enable static export in frontend/next.config.js so npm run build emits frontend/out (the directory uploaded by the Pages workflow).

• Dev-only API proxy behavior

  • Keep local /api/* proxy rewrites, but define them only in development to avoid export-time custom route incompatibilities.

• Config change (core)

  const nextConfig = {
    reactStrictMode: true,
    output: 'export',
    images: { domains: ['api.dicebear.com'] },
  }
  
  if (process.env.NODE_ENV === 'development') {
    nextConfig.rewrites = async () => [
      { source: '/api/:path*', destination: 'http://127.0.0.1:8000/api/:path*' },
    ]
  }

[Copilot]

🟡 Not ready to approve

output: 'export' is enabled unconditionally, which is incompatible with next start and breaks the repo’s Docker Compose/self-hosted deployment path.

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Pull request overview

This PR updates the Next.js configuration to produce a static export in frontend/out so the GitHub Pages workflow can upload the expected artifact, while keeping the /api/* proxy rewrites limited to local development.

Changes:

• Enable static export output (output: 'export') so npm run build can generate frontend/out.
• Move /api/:path* rewrite configuration behind a development-only guard to avoid export-time route incompatibilities.

File summaries

File	Description
frontend/next.config.js	Enables static export and scopes rewrites to development to support GitHub Pages artifact upload.

Review details

• Files reviewed: 1/1 changed files
• Comments generated: 1
• Review effort level: Lite

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