Slack automation with `agent-slack`

1. Authenticate with Slack using `agent-slack auth`.

2. Identify the target message, channel, or user using Slack URLs or channel names.

3. Construct the appropriate `agent-slack` command with necessary parameters (e.g., `message get`, `message send`, `search`).

4. Execute the command using the CLI.

5. Parse the JSON output to extract relevant information.

6. Display the results to the user or use them in subsequent steps.