django admin Groups reorg, Frontend udpates for site settings, #Migration runs
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docs/plans/4th-jan-refactor/final-model-schemas.md
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docs/plans/4th-jan-refactor/final-model-schemas.md
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# Final Model Schemas - Clean State
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## Overview
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This document defines the simplified, clean architecture for AI configuration and billing models.
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**Total Models**: 5 (down from 7)
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- IntegrationProvider (API keys)
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- AIModelConfig (model definitions + pricing)
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- AISettings (system defaults + account overrides) - *renamed from GlobalIntegrationSettings*
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- AccountSettings (generic key-value store)
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- CreditCostConfig (operation-level pricing)
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**Models Removed**:
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- IntegrationSettings (merged into AISettings/AccountSettings)
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- CreditCostConfig.tokens_per_credit (moved to AIModelConfig)
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---
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## 1. IntegrationProvider (API Keys Only)
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Centralized storage for ALL external service API keys.
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| Field | Type | Required | Notes |
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|-------|------|----------|-------|
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| `provider_id` | CharField(50) PK | Yes | openai, runware, stripe, paypal, resend |
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| `display_name` | CharField(100) | Yes | Human-readable name |
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| `provider_type` | CharField(20) | Yes | ai / payment / email / storage |
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| `api_key` | CharField(500) | No | Primary API key |
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| `api_secret` | CharField(500) | No | Secondary secret (Stripe, PayPal) |
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| `webhook_secret` | CharField(500) | No | Webhook signing secret |
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| `api_endpoint` | URLField | No | Custom endpoint (optional) |
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| `config` | JSONField | No | Provider-specific config |
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| `is_active` | BooleanField | Yes | Enable/disable provider |
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| `is_sandbox` | BooleanField | Yes | Test mode flag |
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| `updated_by` | FK(User) | No | Audit trail |
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| `created_at` | DateTime | Auto | |
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| `updated_at` | DateTime | Auto | |
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**Seeded Providers**:
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- `openai` - AI (text + DALL-E)
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- `runware` - AI (images)
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- `anthropic` - AI (future)
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- `stripe` - Payment
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- `paypal` - Payment
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- `resend` - Email
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---
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## 2. AIModelConfig (Single Source of Truth for Models)
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All AI models (text + image) with pricing and credit configuration.
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| Field | Type | Required | Notes |
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|-------|------|----------|-------|
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| `id` | AutoField PK | Auto | |
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| `model_name` | CharField(100) | Yes | gpt-5.1, dall-e-3, runware:97@1 |
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| `model_type` | CharField(20) | Yes | text / image |
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| `provider` | CharField(50) | Yes | Links to IntegrationProvider |
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| `display_name` | CharField(200) | Yes | Human-readable |
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| `is_default` | BooleanField | Yes | One default per type |
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| `is_active` | BooleanField | Yes | Enable/disable |
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| `cost_per_1k_input` | DecimalField | No | Provider cost (USD) - text models |
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| `cost_per_1k_output` | DecimalField | No | Provider cost (USD) - text models |
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| `tokens_per_credit` | IntegerField | No | Text: tokens per 1 credit (e.g., 1000) |
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| `credits_per_image` | IntegerField | No | Image: credits per image (e.g., 1, 5, 15) |
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| `quality_tier` | CharField(20) | No | basic / quality / premium |
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| `max_tokens` | IntegerField | No | Model token limit |
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| `context_window` | IntegerField | No | Model context size |
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| `capabilities` | JSONField | No | vision, function_calling, etc. |
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| `created_at` | DateTime | Auto | |
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| `updated_at` | DateTime | Auto | |
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**Credit Configuration Examples**:
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| Model | Type | tokens_per_credit | credits_per_image | quality_tier |
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|-------|------|-------------------|-------------------|--------------|
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| gpt-5.1 | text | 1000 | - | - |
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| gpt-4o-mini | text | 10000 | - | - |
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| runware:97@1 | image | - | 1 | basic |
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| dall-e-3 | image | - | 5 | quality |
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| google:4@2 | image | - | 15 | premium |
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---
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## 3. AISettings (Renamed from GlobalIntegrationSettings)
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System-wide AI defaults. Singleton (pk=1).
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| Field | Type | Required | Default | Notes |
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|-------|------|----------|---------|-------|
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| `id` | AutoField PK | Auto | 1 | Singleton |
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| `temperature` | FloatField | Yes | 0.7 | AI temperature (0.0-2.0) |
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| `max_tokens` | IntegerField | Yes | 8192 | Max response tokens |
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| `image_style` | CharField(30) | Yes | photorealistic | Default image style |
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| `image_quality` | CharField(20) | Yes | standard | standard / hd |
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| `max_images_per_article` | IntegerField | Yes | 4 | Max in-article images |
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| `image_size` | CharField(20) | Yes | 1024x1024 | Default image dimensions |
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| `updated_by` | FK(User) | No | | Audit trail |
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| `updated_at` | DateTime | Auto | | |
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**Removed Fields** (now elsewhere):
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- All `*_api_key` fields → IntegrationProvider
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- All `*_model` fields → AIModelConfig.is_default
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- `default_text_provider` → AIModelConfig.is_default where model_type='text'
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- `default_image_service` → AIModelConfig.is_default where model_type='image'
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**Image Style Choices**:
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- `photorealistic` - Ultra realistic photography
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- `illustration` - Digital illustration
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- `3d_render` - Computer generated 3D
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- `minimal_flat` - Minimal / Flat Design
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- `artistic` - Artistic / Painterly
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- `cartoon` - Cartoon / Stylized
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---
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## 4. AccountSettings (Per-Account Overrides)
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Generic key-value store for account-specific settings.
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| Field | Type | Required | Notes |
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|-------|------|----------|-------|
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| `id` | AutoField PK | Auto | |
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| `account` | FK(Account) | Yes | |
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| `key` | CharField(100) | Yes | Setting key |
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| `value` | JSONField | Yes | Setting value |
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| `created_at` | DateTime | Auto | |
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| `updated_at` | DateTime | Auto | |
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**Unique Constraint**: `(account, key)`
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**AI-Related Keys** (override AISettings defaults):
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| Key | Type | Example | Notes |
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|-----|------|---------|-------|
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| `ai.temperature` | float | 0.7 | Override system default |
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| `ai.max_tokens` | int | 8192 | Override system default |
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| `ai.image_style` | string | "photorealistic" | Override system default |
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| `ai.image_quality` | string | "hd" | Override system default |
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| `ai.max_images` | int | 6 | Override system default |
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| `ai.image_quality_tier` | string | "quality" | User's preferred tier |
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---
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## 5. CreditCostConfig (Operation-Level Pricing)
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Fixed credit costs per operation type.
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| Field | Type | Required | Notes |
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|-------|------|----------|-------|
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| `operation_type` | CharField(50) PK | Yes | Unique operation ID |
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| `display_name` | CharField(100) | Yes | Human-readable |
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| `base_credits` | IntegerField | Yes | Fixed credits per operation |
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| `is_active` | BooleanField | Yes | Enable/disable |
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| `description` | TextField | No | Admin notes |
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**Removed**: `tokens_per_credit` (now in AIModelConfig)
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---
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## Frontend Settings Structure
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### Content Generation Settings Tab
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```
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┌─────────────────────────────────────────────────────────────┐
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│ Content Generation Settings │
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├─────────────────────────────────────────────────────────────┤
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│ │
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│ AI Parameters │
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│ ┌─────────────────────────────────────────────────────┐ │
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│ │ Temperature [=====○====] 0.7 │ │
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│ │ More focused ←→ More creative │ │
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│ │ │ │
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│ │ Max Tokens [8192 ▼] │ │
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│ │ Response length limit │ │
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│ └─────────────────────────────────────────────────────┘ │
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│ │
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│ Image Generation │
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│ ┌─────────────────────────────────────────────────────┐ │
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│ │ Image Quality │ │
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│ │ ○ Basic (1 credit/image) - Fast, simple │ │
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│ │ ● Quality (5 credits/image) - Balanced │ │
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│ │ ○ Premium (15 credits/image) - Best quality │ │
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│ │ │ │
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│ │ Image Style [Photorealistic ▼] │ │
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│ │ │ │
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│ │ Images per Article [4 ▼] (max 8) │ │
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│ └─────────────────────────────────────────────────────┘ │
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│ │
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│ [Save Settings] │
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└─────────────────────────────────────────────────────────────┘
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```
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### Frontend API Response
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```
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GET /api/v1/accounts/settings/ai/
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Response:
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{
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"content_generation": {
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"temperature": 0.7,
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"max_tokens": 8192
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},
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"image_generation": {
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"quality_tiers": [
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{"tier": "basic", "credits": 1, "label": "Basic", "description": "Fast, simple images"},
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{"tier": "quality", "credits": 5, "label": "Quality", "description": "Balanced quality"},
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{"tier": "premium", "credits": 15, "label": "Premium", "description": "Best quality"}
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],
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"selected_tier": "quality",
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"styles": [
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{"value": "photorealistic", "label": "Photorealistic"},
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{"value": "illustration", "label": "Illustration"},
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{"value": "3d_render", "label": "3D Render"},
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{"value": "minimal_flat", "label": "Minimal / Flat"},
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{"value": "artistic", "label": "Artistic"},
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{"value": "cartoon", "label": "Cartoon"}
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],
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"selected_style": "photorealistic",
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"max_images": 4,
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"max_allowed": 8
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}
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}
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```
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### Save Settings Request
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```
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PUT /api/v1/accounts/settings/ai/
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Request:
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{
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"temperature": 0.8,
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"max_tokens": 4096,
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"image_quality_tier": "premium",
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"image_style": "illustration",
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"max_images": 6
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}
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```
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---
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## Data Flow
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```
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┌──────────────────┐ ┌──────────────────┐ ┌──────────────────┐
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│ IntegrationProv. │ │ AIModelConfig │ │ AISettings │
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│ │ │ │ │ (Singleton) │
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│ - API keys │◄────│ - Model list │ │ │
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│ - Provider info │ │ - Pricing │ │ - Defaults │
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└──────────────────┘ │ - Credits config │ │ - temperature │
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│ - quality_tier │ │ - max_tokens │
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└────────┬─────────┘ │ - image_style │
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│ └────────┬─────────┘
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│ │
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▼ ▼
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┌──────────────────────────────────────────┐
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│ AccountSettings │
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│ │
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│ Account-specific overrides: │
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│ - ai.temperature = 0.8 │
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│ - ai.image_quality_tier = "premium" │
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│ - ai.image_style = "illustration" │
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└──────────────────────────────────────────┘
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│
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▼
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┌──────────────────────────────────────────┐
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│ Frontend Settings UI │
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│ │
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│ GET /api/v1/accounts/settings/ai/ │
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│ - Merges AISettings + AccountSettings │
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│ - Returns effective values for account │
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└──────────────────────────────────────────┘
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```
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---
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## Migration Summary
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| From | To | Action |
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|------|----|--------|
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| GlobalIntegrationSettings.*_api_key | IntegrationProvider | Already done |
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| GlobalIntegrationSettings.*_model | AIModelConfig.is_default | Already done |
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| GlobalIntegrationSettings (remaining) | AISettings (rename) | Phase 3 |
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| IntegrationSettings | AccountSettings | Phase 3 - delete model |
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| CreditCostConfig.tokens_per_credit | AIModelConfig.tokens_per_credit | Already done |
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---
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## Phase 3 Implementation Steps
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1. **Rename Model**: GlobalIntegrationSettings → AISettings
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2. **Remove Fields**: All `*_api_key`, `*_model` fields from AISettings
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3. **Create API Endpoint**: `/api/v1/accounts/settings/ai/`
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4. **Update Frontend**: Load from new endpoint, use quality_tier picker
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5. **Delete Model**: IntegrationSettings (after migrating any data)
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6. **Cleanup**: Remove deprecated choices/constants
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---
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## Files to Modify (Phase 3)
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| File | Change |
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|------|--------|
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| `modules/system/global_settings_models.py` | Rename class, remove deprecated fields |
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| `modules/system/admin.py` | Update admin for AISettings |
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| `modules/system/views.py` | New AI settings API endpoint |
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| `modules/system/serializers.py` | AISettingsSerializer |
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| `settings.py` | Update admin sidebar |
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| `ai/ai_core.py` | Use AISettings instead of GlobalIntegrationSettings |
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| Frontend | New settings component with quality tier picker |
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