feat: merge google-docs-quality feature branch [INTEG-3527]

[Harika Kondur (harikakondur)]

Summary

This PR updates the Google Docs Contentful app to improve the developer testing flow

What changed

• Confirm Prompt modal is a temporary testing modal

  • Shows Document ID, Content Type IDs, and OAuth token in a compact, copy-friendly format

• Workflow agent is the new path

  • The app now triggers google-docs-workflow-agent for this testing flow (instead of the legacy preview-generation path)

• useGeneratePreview is not used anymore

  • The legacy hook remains in the repo but is no longer used by the current UI flow

• Temporary workaround

  • Content type IDs are treated/displayed as a single comma-separated string for this testing workflow

Files changed (apps)

• apps/google-docs/src/locations/Page/components/modals/step_2/SelectContentTypeModal.tsx
  • Updated selection flow to support the CSV content-type-id workaround (old approach left commented for easy switch-back)
• apps/google-docs/src/locations/Page/components/mainpage/ModalOrchestrator.tsx
  • Updated wiring for the step-2 modal → confirm prompt modal flow
• apps/google-docs/src/locations/Page/components/modals/step_2b/ConfirmPromptModal.tsx
  • Testing UX improvements + CT IDs as a single CSV string + Mastra playground link + uses workflow-agent hook
• apps/google-docs/src/hooks/useWorkflowAgent.ts
  • Starts + polls the workflow agent run
• apps/google-docs/src/hooks/useGeneratePreview.ts
  • Legacy hook retained but no longer used

Follow-ups

• When the Mastra UI issue is fixed, revert content type IDs back to string[] and remove the temporary CSV plumbing + legacy hook.