frp: add enable switch - #30484

Checking PR #30484: frp: add enable switch (Formalities Audit)

✅ Pull request originates from a dedicated feature branch (frp-add-enable-switch)

Commit c040f46 - frp: add enable switch configuration:

✅ Author and committer identities are valid
✅ Commit is not a merge commit
✅ Commit subject layout and length are valid: "frp: add enable switch configuration"
✅ Commit description lines adhere to width formatting rules
✅ Commit contains a valid 'Signed-off-by:' line matching author or committer
⚠️ Warning: No reference link (e.g., upstream release notes, changelog, or history URL) detected in description.
⚠️ Warning: Commit is unsigned or cryptographic signature verification failed (Reason: unsigned). Signing commits is a recommended best practice for verifying identity, but is not mandatory.

Commit fd5489d - frp: add enable switch:

✅ Author and committer identities are valid
✅ Commit is not a merge commit
✅ Commit subject layout and length are valid: "frp: add enable switch"
✅ Commit description lines adhere to width formatting rules
✅ Commit contains a valid 'Signed-off-by:' line matching author or committer
⚠️ Warning: No reference link (e.g., upstream release notes, changelog, or history URL) detected in description.
⚠️ Warning: Commit is unsigned or cryptographic signature verification failed (Reason: unsigned). Signing commits is a recommended best practice for verifying identity, but is not mandatory.

Commit 173747f - Merge branch 'openwrt:master' into frp-add-enable-switch:

✅ Commit description lines adhere to width formatting rules
✅ Excellent! Commit contains a valid cryptographic signature (GPG/SSH). Thank you for signing your work! (GPG Key ID: B5690EEEBB952194)
❌ Author name format is invalid ('kissingers'). Please set your full name (first and last, e.g. 'Jane Doe').
❌ Author email must not be a GitHub noreply address ('33601959+kissingers@users.noreply.github.com'). Please use a real email address that is linked to your GitHub account.
❌ Merge commits are not allowed within the pull request
❌ Commit subject must start with <package name or prefix>:
❌ Commit description body is empty or contains only trailers (e.g. Signed-off-by). Please provide a meaningful description of what this change does and why
❌ Missing 'Signed-off-by:' line. Please add a line at the end of the commit message in the format 'Signed-off-by: Your Name your@email.com', matching your commit author or committer identity.