Reactions and Mentions

Reactions use Graph behavior that may vary by tenant and API version.

teams message react --team "$TEAM_ID" --channel "$CHANNEL_ID" --message-id "$MESSAGE_ID" --reaction like
teams message unreact --team "$TEAM_ID" --channel "$CHANNEL_ID" --message-id "$MESSAGE_ID" --reaction like

Mention rendering should be validated in a test tenant before using it in customer workflows.