Evaluate Schema-driven autocomplete / IntelliSense #228

Description

Depends on:
#209
#211

Evaluate current intellisense features with report Cheryl created for the potential intellisense features. Document gaps and differences to see if we want to implement Post MVP

Motivation

Continuously improve the UX of product

Proposed Implementation

No response

Definition of Done

• Implementation: Fully implemented according to the Serverless Workflow spec.
• Unit Tests: Comprehensive unit tests are included and passing.
• Integration Tests: Verified within the monorepo and target environments (Web/VS Code).
• Documentation: Updated README.md, ADRs, or official docs.
• Performance: No significant regression in editor responsiveness.
• Accessibility: UI changes comply with accessibility standards.