As a developer using Mix, what are the key commands and functionalities available through Hex tasks for managing packages beyond just publishing? Specifically, identify tasks for authentication, package re-publishing, and any other notable utility tasks.
Navigate to 'hex.pm'. Click on the 'Docs' link (ID 27). Click on the 'Tasks' link under the 'Mix' section (ID 43). Identify and list the `mix hex` tasks mentioned for authentication. Identify and list the `mix hex` tasks mentioned for re-publishing packages. Identify any other significant utility tasks described on the page. Summarize the identified tasks and their purposes.
The agent successfully navigates to the 'Mix Tasks' documentation page. The agent identifies `mix hex.user auth` or similar for authentication. The agent identifies `mix hex.publish --rebar` or similar for re-publishing. The agent lists at least two other notable utility tasks (e.g., `mix hex.package`, `mix hex.deps`, `mix hex.info`). The agent provides a brief description of the purpose of each identified task.