Document Export JSON flyout for dashboards

[florent-leborgne]

Summary

Adds a new 'Export JSON' option to the dashboard Export menu that opens a flyout showing an API-capable JSON export of the dashboard. The flyout validates the export, warns about unsupported panels, and provides a button to open Kibana's Dev Tools Console pre-populated with a Create Dashboard API request. This is a new user-visible workflow in the dashboard sharing/export UI that complements the existing NDJSON export. The current docs describe only PDF, PNG, CSV, and NDJSON export options and do not mention JSON/API export.

Why this needs docs: A new export option visible in the dashboard toolbar UI is a user-facing feature that needs documenting in the sharing/export workflow pages.

Resources

• PR #255382 — [Dashboards as Code] Show/Export Dashboard API JSON in flyout
• Product issue: [Dashboards as code] Add show source UX kibana#192913

Screenshots from PR

Availability

Channel	Details
Stack	v9.4.0
Serverless	Apr 6–Apr 10
Feature status	Technical Preview
Feature flag	None — active by default

Suggested edits

Sharing dashboards > Export dashboards

• What the docs say: The section only describes exporting dashboards as NDJSON files via Stack Management > Saved Objects and using the Export saved objects API. There is no mention of Export JSON from the dashboard toolbar.
• What to change: Should document the new 'Export JSON' option available from the dashboard Export menu, including the flyout workflow, warnings about unsupported panels, and the Dev Tools Console integration for the Dashboard API.

Reporting and sharing > Export as a file

• What the docs say: Lists export formats as PDF, PNG, CSV Reports, CSV Download, and Download as JSON (Canvas workpads only). Dashboard export is not listed as a JSON option.
• What to change: Should add the new 'Export JSON' option for dashboards alongside the existing file export types, noting it produces API-compatible JSON and integrates with Dev Tools Console.