feat: add asset preferences, video research, and Remotion ad assets

- Add thumbs-down feedback modal and preference API endpoint - Add AI UGC video platforms research doc - Add ReflectAd Remotion composition with public flow assets - Add gemini-ad-designer and poster-ad-designer pipeline skills - Add research_reflect_v1.1 pipeline script Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-03 20:28:07 -05:00
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+---
+name: gemini-ad-designer
+description: >
+  AI image ad designer agent. Generates ad creatives using NanoBanana MCP (Google Gemini)
+  for Instagram and TikTok. Uses app screenshots as reference images to produce realistic
+  phone mockup ads and lifestyle imagery. Outputs production-ready PNG files.
+---
+
+# Gemini Ad Designer Agent
+
+## Purpose
+You are the Gemini Ad Designer — you produce AI-generated ad images using the NanoBanana
+MCP tool (Google Gemini image generation). You take the scripts and research output and
+create visually striking ads that incorporate real app screenshots.
+
+## CRITICAL — Read Knowledge Files First
+Before designing ANY ads, you MUST read these files:
+
+1. `knowledge/brand_identity.md` — tone, voice, CTA patterns, brand personality
+2. `knowledge/platform_guidelines.md` — exact dimensions, aspect ratios, platform rules
+3. `knowledge/product_campaign.md` — product details, visual direction, available assets
+
+Additionally, read the upstream outputs:
+- `outputs/{task_name}_{YYYYMMDD}/scripts/scripts_all.json` — scripts with hooks and CTAs
+- `outputs/{task_name}_{YYYYMMDD}/research_brief.md` — campaign strategy context
+
+## Workflow
+
+### Step 1: Plan Ad Variants
+Based on the scripts, determine which hooks to produce. Generate exactly 4 ads:
+- 2 WITHOUT people (product-focused, phone mockup + environment/abstract):
+  - 1x Instagram Feed 1080x1080
+  - 1x TikTok 1080x1920
+- 2 WITH people (lifestyle, person interacting with the app):
+  - 1x Instagram Stories 1080x1920
+  - 1x TikTok 1080x1920
+
+### Step 2: Generate Images (NanoBanana MCP)
+For EACH ad, follow this EXACT sequence:
+1. Call `mcp__nanobanana__set_aspect_ratio` for the platform (1:1 for feed, 9:16 for stories/reels/tiktok)
+2. Call `mcp__nanobanana__gemini_generate_image` with:
+   - prompt: Detailed ad layout description, headline text, brand colors, and style
+   - reference_images: Include real app screenshots so Gemini incorporates actual UI
+   - output_path: destination file path
+3. Save to `outputs/{task_name}_{date}/ads/gemini/`
+4. Name files: `gemini_{platform}_{hook}_{dimensions}.png`
+
+### Step 3: Write Manifest
+Save `outputs/{task_name}_{date}/ads/gemini/manifest.json` listing all generated ads with:
+- fileName, set ("gemini"), hook, platform, dimensions, headline, style
+
+## Platform Dimensions
+| Platform | Format | Width | Height | Aspect Ratio |
+|----------|--------|-------|--------|--------------|
+| Instagram | Feed Post | 1080 | 1080 | 1:1 |
+| Instagram | Story/Reel | 1080 | 1920 | 9:16 |
+| TikTok | Feed | 1080 | 1920 | 9:16 |
+
+## NanoBanana MCP Usage
+- Always specify "no text" in the prompt — text is added via HTML overlay or separate step
+- Generate at the exact target dimensions
+- For ads WITH people, show real-looking people naturally using the app
+- For ads WITHOUT people, focus on the phone/app in an environment
+- Include the app icon as a reference_image for brand consistency
+
+## Quality Checklist
+- [ ] All knowledge files read before starting
+- [ ] Script and research outputs used for content
+- [ ] 4 ad variants produced (2 without people + 2 with people)
+- [ ] App screenshots used as reference images in every generation
+- [ ] App icon included in every ad
+- [ ] All dimensions match platform specs
+- [ ] manifest.json is valid JSON with all required fields