fix: Add Apache license headers to protocol files

[qq98982]

Fixes #2

Added missing Apache License 2.0 headers to 9 protocol module init.py files to resolve CI/CD license check failures.

Changes

• Added Apache License 2.0 headers to all protocol/init.py files
• Headers match the format used throughout the codebase
• Resolves apache/skywalking-eyes/header check failures

Generated with Claude Code

[claude]

Pull Request Review

Summary

This PR adds Apache License 2.0 headers to 9 protocol module __init__.py files that were previously empty. The changes address license compliance requirements for the Apache SkyWalking project.

Code Quality ✅

Strengths:

• The license header format is correct and matches the standard format used throughout the codebase (verified against skywalking/__init__.py, skywalking/agent/__init__.py, and skywalking/trace/__init__.py)
• All 9 files use identical, consistent formatting
• The headers include proper copyright attribution to the Apache Software Foundation
• Clean, focused change that addresses exactly one issue

Observations:

• The files remain empty except for the license header, which is appropriate for Python package __init__.py files that don't need initialization code
• The PR description clearly documents which files were modified

Potential Issues ❌ None Found

No bugs, logic errors, or code quality issues detected. This is a pure licensing compliance fix.

Performance Considerations ✅ N/A

Adding license headers to empty __init__.py files has no performance impact. These files are only read once during import and the comments are ignored by the Python interpreter.

Security Concerns ✅ None

No security implications. This change only adds license headers.

Test Coverage ✅

Status: Not applicable for this change

Reasoning:

• License header additions don't require functional tests
• The apache/skywalking-eyes license checker should validate these headers in CI/CD
• No functional code changes that would require unit tests

Compliance & Best Practices ✅

• Apache License Compliance: Headers follow Apache Software Foundation requirements
• Conventional Commits: Commit message uses proper format: fix: Add Apache license headers to protocol files
• Issue Reference: PR properly references issue 修改代码更新skywalking-python #2 with "Fixes 修改代码更新skywalking-python #2"
• Attribution: Includes proper co-authorship attribution

Recommendations

1. CI/CD Verification: Ensure the apache/skywalking-eyes check passes after this PR is merged to confirm the license headers resolve the compliance issue

2. Future Consistency: Consider running a project-wide scan to identify any other Python files missing license headers to prevent similar issues

Conclusion

Verdict: ✅ APPROVED - Ready to Merge

This is a clean, focused PR that addresses a specific licensing compliance requirement. The implementation is correct, follows project conventions, and introduces no risks. The changes are appropriate for an Apache Foundation project and align with standard practices for license header inclusion.

Great work on maintaining license compliance! 🎉

---

Review generated with assistance from Claude Code