Changelog

All notable changes to Arachne will be documented in this file. ## [Unreleased] ### Changed - **Provider Entity Refactor**: Converted Provider to use Single Table Inheritance (STI) - Refactored `Provider` entity into `ProviderBase` abstract class - Created `OpenAIProvider`, `AzureProvider`, `OllamaProvider` concrete classes - MikroORM discriminator column on `type` field for polymorphic queries - Type-specific validation in each provider class (`validate()` method) - Polymorphic `createClient()` and `sanitizeForTenant()` methods - Type-safe provider-specific fields (Azure deployment/apiVersion, Ollama baseUrl) ### Added - **Provider Entity Foundation**: Created Provider entity system for managing gateway and tenant-specific LLM providers - New `providers` table with support for gateway-wide and tenant-scoped providers - Gateway default provider seeded from environment variables - Provider entity with type safety replacing untyped JSONB configs - Comprehensive architecture documentation in `docs/provider-architecture.md`) - GitHub Epic #101 and User Stories #102-108 created for multi-provider system - **Gateway Provider Management** (Story 2): Admin API for managing gateway providers - `ProviderManagementService` with full CRUD operations for gateway providers - Admin API routes: `GET/POST/PUT/DELETE /v1/admin/providers` - `POST /v1/admin/providers/:id/default` - Set default provider (unsets others) - Provider DTOs: `ProviderViewModel`, `CreateProviderDto`, `UpdateProviderDto` - Type-specific validation on create/update (Azure requires deployment/apiVersion) - Provider view model includes type-specific fields based on discriminator ### Fixed - **Provider Cache Bug**: Fixed provider cache not being invalidated when agent configuration changes - Added `evictProvider(agentId)` call in `TenantManagementService.updateAgent()` - Provider configuration updates now take effect immediately without server restart ### Documentation - Added comprehensive provider architecture documentation (`docs/provider-architecture.md`) - Added detailed STI refactor + Story 2 implementation plan (`docs/sti-refactor-plan.md`) - Created GitHub Epic #101: Multi-Provider Management System - Created 7 user stories for vertical slice implementation (#102-108) --- ## Previous Releases [Previous changelog entries would go here]