feat: Add autonomous overnight generation system with Google Vertex AI integration

AUTONOMOUS_SETUP.md

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+# 🤖 FULL AUTONOMOUS GENERATION - How It Works
+
+**Date:** 30.12.2025 03:35
+
+---
+
+## 🎯 CONCEPT
+
+**Instead of you asking me to generate each image,** you run a Python script that:
+
+1. **Directly calls Google Imagen API** (same AI I use)
+2. **Runs completely independently** in background
+3. **No need for conversation** - script does everything
+4. **Can run overnight** while you sleep
+
+---
+
+## 🔧 HOW IT WORKS
+
+### Current Method (Through Me):
+```
+You → Ask Antigravity → Antigravity calls generate_image → Imagen API → Image saved
+```
+**Limitation:** Needs your input, conversation-based
+
+### Direct Script Method:
+```
+You → Run Python script → Script calls Imagen API directly → Images saved
+```
+**Advantage:** Fully automated, runs in background!
+
+---
+
+## 📋 REQUIREMENTS
+
+### 1. Google Cloud Account
+- Free tier available (first 300 credits free)
+- Need to enable "Vertex AI API" or "Imagen API"
+
+### 2. API Key / Service Account
+- Create service account in Google Cloud Console
+- Download JSON credentials file
+
+### 3. Python Libraries
+```bash
+pip install google-cloud-aiplatform pillow requests
+```
+
+---
+
+## 🚀 SETUP STEPS
+
+### Step 1: Google Cloud Setup
+1. Go to: https://console.cloud.google.com/
+2. Create new project (or use existing)
+3. Enable "Vertex AI API"
+4. Create Service Account:
+   - IAM & Admin → Service Accounts → Create
+   - Grant role: "Vertex AI User"
+5. Download JSON key file → Save as `credentials.json`
+
+### Step 2: Install Dependencies
+```bash
+cd /Users/davidkotnik/repos/novafarma
+pip3 install google-cloud-aiplatform Pillow
+```
+
+### Step 3: Run Script
+```bash
+export GOOGLE_APPLICATION_CREDENTIALS="/path/to/credentials.json"
+python3 scripts/autonomous_generation.py
+```
+
+**Script will:**
+- Generate all 422 base assets
+- Save to `assets/images/`
+- Add white backgrounds
+- Create git commits every 20 images
+- Run overnight (8-12 hours)
+- Log progress to file
+
+---
+
+## 💰 COST ESTIMATE
+
+**Google Imagen API Pricing:**
+- ~$0.02 per image (paid tier)
+- Free tier: First 1,000 images FREE (if eligible)
+
+**For 422 assets:**
+- Free tier: $0 (if within quota)
+- Paid tier: ~$8.44 total
+
+**For 11,000 assets:**
+- ~$220 total (paid tier)
+- Or use free tier + daily quotas
+
+---
+
+## ⚡ ADVANTAGES
+
+✅ Fully automated - run overnight  
+✅ No conversation needed  
+✅ Batch processing  
+✅ Automatic retries on failures  
+✅ Progress logging  
+✅ Git auto-commits  
+
+---
+
+## ⚠️ CONSIDERATIONS
+
+❌ Requires Google Cloud setup (15 min)  
+❌ Need API credentials  
+❌ Possible costs (can use free tier)  
+❌ Less control during generation  
+❌ Can't easily adjust style mid-run  
+
+---
+
+## 📊 COMPARISON
+
+| Method | Speed | Cost | Control | Setup |
+|:---|:---:|:---:|:---:|:---:|
+| **Through Me** | Medium | Free | High | None |
+| **Direct Script** | Fast | Low | Medium | 15 min |
+
+---
+
+## 🎯 RECOMMENDATION
+
+**For 422 base assets:**
+→ Use Direct Script (one-time setup worth it)
+
+**For animations later:**
+→ Can use same script, just update queue
+
+---
+
+**READY TO SET UP?** I'll create the complete script now! 🚀
+
+---
+
+**Created:** 30.12.2025 03:35