Goal: Deliver a full written draft of the new documentation.

Description:

• Rewrite content for all four core personas.
• Integrate AI-first structure (semantic headings, metadata, OpenAPI/JSON refs).
• Add updated quickstarts for AI Jobs and Transcoding Jobs.
• Migrate or deprecate Studio content with redirect notes.
• Add tutorials, migration guides, and updated SDK/API/CLI references.
• Conduct stakeholder review and RFC process for the written draft.

Outcome:
Complete written draft of stakeholder-focused documentation ready for final integration.