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# PhoenixKit.Migrations.Postgres.V34 (phoenix_kit v1.7.87)

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PhoenixKit V34 Migration: AI Endpoints System

This migration replaces the Accounts + Slots architecture with a unified Endpoints system where each endpoint contains credentials, model selection, and generation parameters in a single entity.

## Architecture Change

### Before (V32)

- Accounts Table: Provider credentials only
- Slots: Stored in Settings as JSON (4 types × 3 slots each)
- Slots referenced account_id for credentials
- Fallback chain: tries slot 0 → 1 → 2

### After (V34)

- Endpoints Table: Unified configuration
  - Provider credentials (name, api_key, base_url, provider_settings)
  - Model selection (single model per endpoint)
  - Generation parameters (temperature, max_tokens, etc.)
- No type categorization (user decides endpoint purpose)
- No fallback chain (explicit endpoint targeting)

## Changes

### New Table: phoenix_kit_ai_endpoints

- Unified configuration combining account + slot fields
- All generation parameters in one place
- Sort order for display

### Modified Table: phoenix_kit_ai_requests

- Added endpoint_id for new requests
- Added endpoint_name for denormalized history
- Kept account_id/slot_index for backward compatibility

### Cleanup

- Remove slot Settings entries (ai_text_processing_slots, etc.)
- Keep ai_enabled setting
- Keep accounts table for historical request references

## Summary

### Functions

down(opts)

Rollback the V34 migration.

up(opts)

Run the V34 migration to add the AI Endpoints system.

## Functions

# down(opts)

Rollback the V34 migration.

# up(opts)

Run the V34 migration to add the AI Endpoints system.