Post a draft
Publish a previously generated draft to a channel.
marketing post --channel <channel> --project <name> --file <path-to-draft> [--dry-run]
Channels: bluesky, devto, hashnode, mastodon
Always confirm with the user before posting without --dry-run. Show them the draft content first.
On success, the command prints the post URL and tracks it in the manifest for engagement reporting.