Marketing and advertising content creation skill. Use when the user wants to create content specifically for ads, campaigns, social commerce, or marketing purposes. Trigger on: "create an ad", "make a TikTok ad", "Instagram ad", "Facebook ad", "product promo", "ad creative", "marketing content", "ecommerce content", "TikTok Shop", "Instagram Shop", "social media campaign", "ad for my product", "promote my product", "sales video", "ad banner", "product announcement". Also trigger when the user mentions: ad creatives, ROAS, ad spend, campaign assets, product page. Do NOT trigger for: general video creation without commercial intent (use media-content-creation), general writ…