{"id":"vis-mkt-email-header-sale","audience":"marketing","category":"image-video","track":"visual","technique":"grounding","title":"Get an email header image with the right sale number","free":false,"task":"You're sending the Copperleaf Home winter sale email and need the header image from Gemini. Get Claude to write one paste-ready prompt, plain text, under 110 words: a prompt paragraph and a last line starting \"Avoid:\". It must say a wide 3:1 banner, allow only the text \"WINTER SALE 25% OFF\" (the current discount), name both hex colors, and keep the products to throws and pillows only.","materialLabel":"The brief (attached to your prompt automatically)","material":"Copperleaf Home - Winter sale email (sends Dec 2)\n\nSale: 30% off all throws and pillows. UPDATE from finance, Nov 20: the discount is 25%, not 30%. The 30% figure is in the old deck; ignore it.\n\nWhat's on sale: knit throws, wool throws, linen pillows, velvet pillows. Not on sale: rugs, lamps, candles.\n\nHeader image idea: a cozy armchair corner with a chunky knit throw and two pillows, frosty window behind, soft morning light, a few snowflakes outside.\n\nColors: copper #B5651D, cream #F3EDE2.\n\nEmail header slot: 1200 x 400 pixels. Text in the image must be big enough to read on a phone.\n\nFrom the team:\n- \"Put a lamp and a rug in the scene, it looks more complete.\" (They're not on sale.)\n- \"Could we show the sale code WARM25 and the end date too?\"\n- \"Last year's header had a dog on the chair; people loved it.\" (We don't have a dog photo release.)","rules":[{"type":"maxWords","max":110},{"type":"plainText"}],"mistakes":[{"title":"Using the outdated discount","why":"The brief still says 30% up top, and the AI may use it.","fix":"Add: \"The only text is WINTER SALE 25% OFF.\"","checks":["r0"]},{"title":"Too much text","why":"The AI adds the code and date, which image tools garble.","fix":"Add: \"No other words.\"","checks":["r0"]},{"title":"Showing products that aren't on sale","why":"The AI adds the lamp and rug to make the scene feel complete.","fix":"Add: \"Only throws and pillows. Avoid: rug, lamp, candles.\"","checks":["r2"]},{"title":"Colors by name","why":"The AI says \"warm copper tones\" without the codes.","fix":"Add: \"Use #B5651D and #F3EDE2.\"","checks":["r1"]},{"title":"Headings and tips","why":"The AI writes a design brief, not a prompt.","fix":"Add: \"Output only the prompt and the Avoid line, plain text.\"","checks":["plainText","maxWords"]}],"promptHints":[{"label":"Sets the banner shape","patterns":["3\\s*:\\s*1","wide"]},{"label":"Gives the exact text","patterns":["25\\s*%","WINTER SALE"]},{"label":"Gives the hex colors","patterns":["#B5651D","hex"]},{"label":"Limits the products","patterns":["only (throws|pillows)","no (rug|lamp)"]},{"label":"Adds an Avoid line","patterns":["avoid"]}],"hint":"The brief has an outdated number and extra products in the mood ideas. Tell the AI the current discount, the one line of text, and which items can appear.","rubricLabels":["States a wide 3:1 banner and allows only the text 'WINTER SALE 25% OFF' (not 30%, no sale code or date)","Names both hex codes (#B5651D and #F3EDE2)","Shows only throws and pillows as products (no rug, lamp or candles), and ends with an 'Avoid:' line"]}