Use new sdk in hello-world

[martmull]

as title

[greptile-apps]

Greptile Overview

Greptile Summary

This PR migrates the hello-world app from twenty-sdk 0.0.6 to 0.1.2, updating imports to use the new SDK barrel exports pattern and adding npm scripts for easier development workflow.

Key changes:

• Updated all imports from twenty-sdk/application to twenty-sdk (now using barrel exports)
• Renamed ServerlessFunctionConfig type to FunctionConfig
• Added development scripts (dev, generate, sync, uninstall, auth) to package.json
• Upgraded SDK version from 0.0.6 to 0.1.2 with corresponding yarn.lock updates

The migration is straightforward and follows the new SDK structure. The code references a generated directory (via import { createClient } from '../../generated') which is created by the SDK's code generation process during development or sync.

Confidence Score: 5/5

• This PR is safe to merge with no identified issues
• The changes are a straightforward SDK version upgrade with clean import path updates and type renames. All imports are correctly aligned with the new SDK structure (verified by checking /packages/twenty-sdk/src/application/index.ts). The addition of npm scripts enhances developer experience without affecting runtime behavior.
• No files require special attention

Important Files Changed

File Analysis

Filename	Score	Overview
packages/twenty-apps/hello-world/application.config.ts	5/5	Updated import from twenty-sdk/application to twenty-sdk to use new SDK barrel export
packages/twenty-apps/hello-world/package.json	5/5	Upgraded twenty-sdk from 0.0.6 to 0.1.2, added npm scripts for development and app management
packages/twenty-apps/hello-world/src/actions/create-new-post-card.ts	5/5	Changed type from ServerlessFunctionConfig to FunctionConfig with new SDK import path
packages/twenty-apps/hello-world/src/objects/postCard.ts	5/5	Updated imports from twenty-sdk/application to twenty-sdk to use new SDK barrel export

Sequence Diagram

sequenceDiagram
    participant Dev as Developer
    participant App as Hello World App
    participant SDK as Twenty SDK 0.1.2
    participant API as Twenty API

    Note over Dev,SDK: SDK Migration Flow
    
    Dev->>App: Import types from 'twenty-sdk'
    App->>SDK: ApplicationConfig (from barrel export)
    App->>SDK: FunctionConfig (renamed from ServerlessFunctionConfig)
    App->>SDK: Field decorators & types
    
    Note over Dev,API: Runtime Execution Flow
    
    Dev->>App: Trigger create-new-post-card function
    App->>SDK: Use createClient() from generated code
    SDK->>API: GraphQL mutation with API key
    API-->>SDK: Return created PostCard
    SDK-->>App: Return result
    App-->>Dev: Success response

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[greptile-apps]

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[twenty-eng-sync]

Hey @martmull! After you've done the QA of your Pull Request, you can mark it as done here. Thank you!