Write a Feature Adoption Email Brief

Write a feature adoption email brief from the following inputs:

Product: [PRODUCT NAME]
Feature: [FEATURE NAME]
Who should adopt it: [SEGMENT]
Job to be done: [JOB]
Activation milestone: [FIRST SUCCESS ACTION]
Known friction: [FRICTION POINTS]
Offer or incentive (if any): [NONE OR DETAILS]
Channels: [EMAIL ONLY OR EMAIL + IN-APP]

Requirements:
1. Brief a single adoption email (or short 2-email nudge) focused on one success action.
2. Explain the feature in plain language. No jargon stacks.
3. Do not invent capabilities. Stick to the feature description provided.
4. Include subject, preview, body outline, CTA, and success metrics to watch.
5. Add a note for when not to send (wrong segment, incomplete feature, policy limits).

Deliverables:
1. Email brief with audience, message, CTA, and success metric.
2. Draft subject lines (3) and body outline with placeholders.
3. QA checklist before send (segment, links, claims, unsubscribe).