## Summary Fixes #19422. Self-hosted users hitting "No AI models are available" after configuring API keys via the admin panel were victims of a stale `AiModelRegistryService` cache. Only the four `addAiProvider` / `removeAiProvider` / `addModelToProvider` / `removeModelFromProvider` mutations called `refreshRegistry()` — setting an API key through `set/update/deleteDatabaseConfigVariable` left the registry pointing at the pre-mutation provider state. Rather than patch each mutation site (and re-introduce the same class of bug on the next one), the registry now invalidates lazily based on the LLM config-group hash, mirroring the pattern `WebSearchDriverFactory` already uses via `DriverFactoryBase`. Any mutation to an LLM-tagged config variable is picked up automatically on the next read — callers never have to remember to refresh. - Extracted `getConfigGroupHash` into a shared util reused by both `DriverFactoryBase` and `AiModelRegistryService` (and switched the hash to `JSON.stringify` so object-typed config vars like `AI_PROVIDERS` actually contribute meaningfully). - `AiModelRegistryService` gates all internal `Map` access behind private getters that call `ensureFresh()`, so future read paths can't accidentally observe stale state. Build path uses underscored backing fields directly to avoid recursing. - Dropped the now-redundant `refreshRegistry()` public method and its four call sites in `admin-panel.resolver.ts`. ## Test plan - [x] `nx typecheck twenty-server` passes - [x] Existing admin-panel + ai-models specs pass (79 tests) - [ ] Manual: on a self-hosted instance, set `OPENAI_API_KEY` (or another provider key) via the admin panel `setDatabaseConfigVariable` mutation and confirm AI features work without a server restart - [ ] Manual: existing flows (`addAiProvider`, `addModelToProvider`, etc.) still pick up new providers on the next read 🤖 Generated with [Claude Code](https://claude.com/claude-code) --------- Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
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Why Twenty
We built Twenty for three reasons:
CRMs are too expensive, and users are trapped. Companies use locked-in customer data to hike prices. It shouldn't be that way.
A fresh start is required to build a better experience. We can learn from past mistakes and craft a cohesive experience inspired by new UX patterns from tools like Notion, Airtable or Linear.
We believe in open-source and community. Hundreds of developers are already building Twenty together. Once we have plugin capabilities, a whole ecosystem will grow around it.
What You Can Do With Twenty
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Below are a few features we have implemented to date:
- Personalize layouts with filters, sort, group by, kanban and table views
- Customize your objects and fields
- Create and manage permissions with custom roles
- Automate workflow with triggers and actions
- Emails, calendar events, files, and more
Personalize layouts with filters, sort, group by, kanban and table views
Customize your objects and fields
Create and manage permissions with custom roles
Automate workflow with triggers and actions
Emails, calendar events, files, and more
Stack
- TypeScript
- Nx
- NestJS, with BullMQ, PostgreSQL, Redis
- React, with Jotai, Linaria and Lingui
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