[NOT-650] Add profile duplication command

[leo-notte]

Summary

• add notte profiles duplicate --profile-id <id>
• accept an optional --name
• use the authenticated API client transport
• cover method, path, payload, and output

Companion to nottelabs/monorepo#1918.

Linear: NOT-650 https://linear.app/nottelabsinc/issue/NOT-650/notte-cli-pr-53-add-profile-duplication-command

[greptile-apps]

Greptile Summary

Adds profile duplication support:

• Registers notte profiles duplicate with required --profile-id and optional --name flags.
• Sends the duplication request through the authenticated API client transport and formats the returned profile.
• Adds a unit test covering the request method, path, payload, and command output.

Confidence Score: 5/5

The PR appears safe to merge.

No blocking failure remains.

Important Files Changed

Filename	Overview
internal/cmd/profiles.go	Adds and registers the profile duplication command, builds its authenticated POST request, handles API errors, and prints the duplicated profile.
internal/cmd/profiles_test.go	Adds focused coverage for the duplicate command's HTTP method, endpoint, optional name payload, and rendered profile output.

_{Reviews (3): Last reviewed commit: "feat: add profile duplication command" | Re-trigger Greptile}