luci-app-51ddns: add remote access agent interface - #8960

Checking PR #8960: luci-app-51ddns: add remote access agent interface (Makefile Audit)

Commit aeb92ae - luci-app-51ddns: add remote access agent interface:

✅ Mandatory structural metadata present: 'PKG_MAINTAINER'
✅ Mandatory structural metadata present: 'PKG_LICENSE'
✅ Mandatory structural metadata present: 'PKG_LICENSE_FILES'
✅ PKG_MAINTAINER email address format is valid: '21hkcloud@gmail.com'
✅ PKG_LICENSE uses no deprecated or informal SPDX identifiers
✅ Makefile does not assign per-package variables at the top level
✅ Makefile contains valid assignment operators and no spaces after ':='
✅ No feed package forces its own inclusion into buildbot default images via DEFAULT+BUILDBOT
✅ Makefile does not reuse PKG_NAME in call, define, or eval lines
✅ File additions contain clean UNIX (LF) line termination
✅ All modified files contain a trailing newline
✅ Filtered out style/packaging issues already present in upstream commit
✅ Filtered out configuration format issues already present in upstream commit