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## 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.
Writing pages
Rough guidelines
- Try to break down your pages into smaller building blocks - components which are tightly coupled to a page can be placed within the folder
components/interfaces/xxx/...(Refer to the README.md under the components folder) - Keep to using
useStatehooks for any UI related logic, do not create MobX local stores to handle UI logic.
Template for building pages
import { NextPage } from 'next'
import { withAuth } from 'hooks/misc/withAuth'
// Import the corresponding layout based on the page
import { Layout } from 'components/layouts'
// Import the main building blocks of the page
import { ... } from 'components/interfaces/xxx'
// Import reusable UI components if needed
import { ... } from 'components/ui/xxx'
// Name your page accordingly
const Page: NextPage = () => {
return (
<Layout>
<div>Page content</div>
</Layout>
)
}
export default withAuth(Page)