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Charis
cd6afdd8b2
## Summary Each assistant tool's identity and contract is currently written in up to nine places that nothing ties together at compile time. This PR adds a contract/server split and migrates `update_notebook`, the tool with the most copies, as the first proof of the design. - **Contract** (`lib/ai/tools/update-notebook.ts`): isomorphic file with the input and output schemas, approval flag, minimum opt-in level, and `toModelOutput`, the single rule for what the model may see. - **Server** (`update-notebook.server.ts`): the executable tool, built with `approvalGatedToolFromContract`. - **Registry** (`registry.ts`): collects contracts, derives a typed `StudioUIMessage`, and provides `sanitizeContractPart` for history replay. - **Shared types** (`types.ts`): `ToolContract`, `ToolContext`, `ToolFactory`, plus a single `getAuthHeaders` replacing three variants. - **Approval gate** (`approval-gate.ts`): approval-gated tools get `acceptUntrustedSql` / `acceptUntrustedLogsSql` through a gate passed to `execute`, and `*.server.ts` files can't import the raw functions (ESLint). - **Opt-in level**: `update_notebook` is gated by its contract's `minOptInLevel`. `TOOL_CATEGORY_MAP` is now typed against `ToolName` and excludes migrated tools, which exposed `get_active_incidents` missing from the name enum. Removed duplicates: the `update_notebook` sanitizer in `tool-sanitizer.ts`, the client-side `stripNotebookSnapshot`, and the copied update schemas in `Message.utils.ts`. ## Behavior changes - The client no longer strips `previous_content` from `update_notebook` outputs before sending history, so requests carry the previous notebook snapshot. The server still strips it before the model sees it. - On history replay, an `update_notebook` output that doesn't match its schema is dropped instead of passed through minus `previous_content`. ## Testing - New `registry.test.ts` (typed parts, replay sanitizer) and a contract case in `tool-filter.test.ts`. - Studio typecheck, lint ratchet, knip, Prettier and the affected vitest suites pass.
Supabase
Supabase is the Postgres development platform. We're building the features of Firebase using enterprise-grade open source tools.
- Hosted Postgres Database. Docs
- Authentication and Authorization. Docs
- Auto-generated APIs.
- Functions.
- File Storage. Docs
- AI + Vector/Embeddings Toolkit. Docs
- Dashboard
Watch "releases" of this repo to get notified of major updates.
Documentation
For full documentation, visit supabase.com/docs
To see how to Contribute, visit Getting Started
Community & Support
- Community Forum. Best for: help with building, discussion about database best practices.
- GitHub Issues. Best for: bugs and errors you encounter using Supabase.
- Email Support. Best for: problems with your database or infrastructure.
- Discord. Best for: sharing your applications and hanging out with the community.
How it works
Supabase is a combination of open source tools. We’re building the features of Firebase using enterprise-grade, open source products. If the tools and communities exist, with an MIT, Apache 2, or equivalent open license, we will use and support that tool. If the tool doesn't exist, we build and open source it ourselves. Supabase is not a 1-to-1 mapping of Firebase. Our aim is to give developers a Firebase-like developer experience using open source tools.
Architecture
Supabase is a hosted platform. You can sign up and start using Supabase without installing anything. You can also self-host and develop locally.
- Postgres is an object-relational database system with over 30 years of active development that has earned it a strong reputation for reliability, feature robustness, and performance.
- Realtime is an Elixir server that allows you to listen to PostgreSQL inserts, updates, and deletes using websockets. Realtime polls Postgres' built-in replication functionality for database changes, converts changes to JSON, then broadcasts the JSON over websockets to authorized clients.
- PostgREST is a web server that turns your PostgreSQL database directly into a RESTful API.
- GoTrue is a JWT-based authentication API that simplifies user sign-ups, logins, and session management in your applications.
- Storage a RESTful API for managing files in S3, with Postgres handling permissions.
- pg_graphql a PostgreSQL extension that exposes a GraphQL API.
- postgres-meta is a RESTful API for managing your Postgres, allowing you to fetch tables, add roles, and run queries, etc.
- Envoy is a cloud-native, high-performance edge and service proxy.
Client libraries
Our approach for client libraries is modular. Each sub-library is a standalone implementation for a single external system. This is one of the ways we support existing tools.
| Language | Client | Feature-Clients (bundled in Supabase client) | ||||
|---|---|---|---|---|---|---|
| Supabase | PostgREST | GoTrue | Realtime | Storage | Functions | |
| ⚡️ Official ⚡️ | ||||||
| JavaScript (TypeScript) | supabase-js | postgrest-js | auth-js | realtime-js | storage-js | functions-js |
| Flutter | supabase-flutter | postgrest | supabase_auth | supabase_realtime | supabase_storage | supabase_functions |
| Swift | supabase-swift | postgrest-swift | auth-swift | realtime-swift | storage-swift | functions-swift |
| Python | supabase-py | postgrest-py | gotrue-py | realtime-py | storage-py | functions-py |
| 💚 Community 💚 | ||||||
| C# | supabase-csharp | postgrest-csharp | gotrue-csharp | realtime-csharp | storage-csharp | functions-csharp |
| Go | - | postgrest-go | gotrue-go | - | storage-go | functions-go |
| Java | - | - | gotrue-java | - | storage-java | - |
| Kotlin | supabase-kt | postgrest-kt | auth-kt | realtime-kt | storage-kt | functions-kt |
| Ruby | supabase-rb | postgrest-rb | - | - | - | - |
| Rust | - | postgrest-rs | - | - | - | - |
| Godot Engine (GDScript) | supabase-gdscript | - | - | - | - | - |
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<a href="https://supabase.com">
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height="30"
src="https://supabase.com/badge-made-with-supabase-dark.svg"
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