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+# Agent Guidelines for Documenso
+
+## Build/Test/Lint Commands
+
+- `npm run build` - Build all packages
+- `npm run lint` - Lint all packages
+- `npm run lint:fix` - Auto-fix linting issues
+- `npm run test:e2e` - Run E2E tests with Playwright
+- `npm run test:dev -w @documenso/app-tests` - Run single E2E test in dev mode
+- `npm run test-ui:dev -w @documenso/app-tests` - Run E2E tests with UI
+- `npm run format` - Format code with Prettier
+- `npm run dev` - Start development server for Remix app
+
+## Code Style Guidelines
+
+- Use TypeScript for all code; prefer `type` over `interface`
+- Use functional components with `const Component = () => {}`
+- Never use classes; prefer functional/declarative patterns
+- Use descriptive variable names with auxiliary verbs (isLoading, hasError)
+- Directory names: lowercase with dashes (auth-wizard)
+- Use named exports for components
+- Never use 'use client' directive
+- Never use 1-line if statements
+- Structure files: exported component, subcomponents, helpers, static content, types
+
+## Error Handling & Validation
+
+- Use custom AppError class when throwing errors
+- When catching errors on the frontend use `const error = AppError.parse(error)` to get the error code
+- Use early returns and guard clauses
+- Use Zod for form validation and react-hook-form for forms
+- Use error boundaries for unexpected errors
+
+## UI & Styling
+
+- Use Shadcn UI, Radix, and Tailwind CSS with mobile-first approach
+- Use `<Form>` `<FormItem>` elements with fieldset having `:disabled` attribute when loading
+- Use Lucide icons with longhand names (HomeIcon vs Home)
+
+## TRPC Routes
+
+- Each route in own file: `routers/teams/create-team.ts`
+- Associated types file: `routers/teams/create-team.types.ts`
+- Request/response schemas: `Z[RouteName]RequestSchema`, `Z[RouteName]ResponseSchema`
+- Only use GET and POST methods in OpenAPI meta
+- Deconstruct input argument on its own line
+- Prefer route names such as get/getMany/find/create/update/delete
+- "create" routes request schema should have the ID and data in the top level
+- "update" routes request schema should have the ID in the top level and the data in a nested "data" object
+
+## Translations & Remix
+
+- Use `<Trans>string</Trans>` for JSX translations from `@lingui/react/macro`
+- Use `t\`string\`` macro for TypeScript translations
+- Use `(params: Route.Params)` and `(loaderData: Route.LoaderData)` for routes
+- Directly return data from loaders, don't use `json()`
+- Use `superLoaderJson` when sending complex data through loaders such as dates or prisma decimals