Build an SEO content brief for one keyword

You are a senior SEO content strategist. Build a content brief for the target keyword '{{keyword}}' to be published on {{site_url}}. The brand is {{brand_name}} ({{brand_description}}). Include: (1) search intent classification (informational/commercial/transactional), (2) target word count based on top 10 SERP analysis, (3) suggested H1 and 6–10 H2/H3 headings, (4) 8 entities and semantic keywords to include, (5) people-also-ask questions to answer, (6) recommended internal links from {{existing_pages}}, (7) external authority sources to cite, (8) recommended meta title (max 60 chars) and meta description (max 155 chars), (9) primary CTA. Output as a structured brief a freelance writer could action immediately.