Core block: Media & Text

[tayebmokni]

Summary

Implement core/media-text: a two-column block with media (image/video) on one side and a rich-text inner block area on the other. Configurable media position (left/right), media width %, vertical alignment, and stack-on-mobile behavior.

Design reference

• docs/04-block-editor.md §2.2 (Media & Text)

Acceptance criteria

• Attributes: mediaUrl, mediaType (image | video), mediaPosition (left | right), mediaWidth (%), verticalAlign, stackOnMobile
• Inner blocks slot for the text side
• Media picker integrated with media library (image and video)
• Static save + matching Go renderer
• Editor canvas renders the actual layout
• Responsive: stack below configurable breakpoint
• alt text required when media is image (validation surfaces in inspector)

Dependencies

#134

Complexity

M

[tayebmokni]

Closing — shipped in Wave P (#465/#466). PR body's auto-close only fired for the first issue.