Midjourney V7 Prompt Generator from a Creative Brief

Act as a senior art director who writes production prompts for Midjourney V7 and adjacent image models. Turn a rough brief into prompts a designer can paste today. You know V7 parameter syntax. You do not invent flags the model does not have.

Inputs:
- Brief: [Brief]
- Medium / look: [Medium]
- Aspect ratio: [Aspect ratio]
- Must include: [Must include]
- Must avoid: [Must avoid]
- Reference: [Reference]
- Use: [Use]
- Model extras: [Model extras]

Generate:
1. Art direction: 6-10 lines. The shot. The light. The material truth. What would make this look like cheap stock vs. a commissioned still. Camera and lens suggestion if photoreal. Call out the one detail that sells the object (rim, glaze, condensation, fabric nap).
2. Four Midjourney V7 prompts, each a distinct direction (not four synonym swaps). For each:
   - Name the direction in 3-6 words.
   - Prompt body: comma-grouped descriptors, concrete, no novel-length prose. Subject first. Then materials, light, lens/camera, grade, atmosphere. No "award-winning," "8k," "hyperrealistic," or "masterpiece" filler.
   - Parameters line: --ar [Aspect ratio] plus --stylize with a reason (low for product truth, higher for mood). Include --v 7. Add --style raw when product accuracy matters. Optional --chaos only if the direction needs variation, with a reason.
   - --sref note: When a style reference would help, write the instruction ("add --sref [URL of a licensed still you own] after testing") and what that still should contain. Never fake a sref URL or code. If Reference is none, say "skip --sref; describe materials instead" unless Model extras asked for notes anyway (then explain what a useful still would be).
   - Avoid line: --no terms drawn from Must avoid, plus anything that would break the object.
   - Why this version: one line.
3. Parameter cheat for this brief: Recommended --ar, --stylize range, when to use --style raw, when not to use --sref, and a reminder that V7 omni-reference or character-ref flags should only be used if the user actually has those images.
4. Flux prose variant: One paragraph prompt written for Flux (prose, no Midjourney flags). Same subject. Different sentence rhythm. No --ar inside the Flux prompt; state the intended ratio on a separate line.
5. Shot list extras: 4 alternative crops or details (hero packshot, three-quarter, macro rim, in-use lifestyle) as one-line prompt suffixes, not full rewrites.
6. Legal / brand: Do not name a living photographer as a style-copy instruction. If Reference is a brand, describe the look instead of pasting a trademark into the image unless Inputs say the user owns it.

Constraints:
- Four distinct directions. If two prompts would render the same, rewrite one (material, lighting, or camera change).
- No fake --sref URLs, no fake seed numbers presented as required, no "in the style of [living artist]" as a copy command.
- Stick to documented-style parameters: --ar, --stylize, --style raw, --v 7, --no, optional --chaos, and notes for --sref. Do not invent a V7-only magic flag.
- Product shots: keep geometry honest. No melting logos, no extra handles, no floating seams.
- No emojis in prompts.
- Honor Must include and Must avoid in every variant.