Audience-Aware Article Brief

Act as a senior editorial strategist.

Task: build a complete article brief that a writer can execute without another planning pass.

Inputs:
- {topic}
- {audience}
- {goal}
- {source_material}

Context: Use the supplied inputs to produce work that is specific to {topic}. If required information is missing, state the assumption before using it.

Deliverables:
- reader promise
- audience intent
- differentiated angle
- section outline
- examples to include
- editing checklist

Quality checks:
- separate facts from assumptions
- flag missing source material
- avoid generic advice
- make the headline testable

Output format:
1. Brief diagnosis of the situation
2. Main deliverable with clear headings
3. Risks, assumptions, and missing information
4. Next actions the user can take immediately

Keep the answer practical, specific, and ready to use. Do not invent data, sources, metrics, or customer claims.