[WIP] Add Next.js middleware for casbin with tests and CI

[Copilot]

• Create package.json with dependencies (casbin, next)
• Create TypeScript configuration (tsconfig.json)
• Create main middleware code in src/
  • Create authorization middleware function
  • Export middleware utilities
• Create unit tests
  • Test middleware authorization
  • Test with different permissions
• Create CI workflow (.github/workflows/ci.yml)
  • Setup with semantic-release
  • Configure triggers for master branch and PRs
• Create README.md with badges and documentation
• Add Apache 2.0 headers (year 2026) to all source files
• Add linting configuration (.eslintrc.js, .prettierrc)
• Test build and lint commands
• Run final validation

Original prompt

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This section details on the original issue you should resolve

<issue_title>[feature] add the code for next-authz</issue_title>
<issue_description>need to develop the Next.js middleware for casbin in this repo

needs to have code (apache header year is 2026) and unit tests

need to have CI (use semantic-release and below trigger)

To:

on:
  push:
    branches:
      - master
  pull_request:
    branches:
      - master

need to have a README (with badges)

about how to implement, refer to a similar repo: https://github.com/node-casbin/typeorm-adapter</issue_description>

Comments on the Issue (you are @copilot in this section)

@hsluoyz @nodece @Shivansh-yadav13

• Fixes [feature] add the code for next-authz #1

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[hsluoyz]

@nodece @Shivansh-yadav13 please review

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