python/v0.2.4

Breaking

• Remove source_task_id and mask_indices from the Image 2.0 direct edit request contract.
  Migration: Replace them with one to five source_image_urls and an aspect_ratio; prompt is optional.

Added

• Add typed Image 2.0 text-to-image, segment-map, and segment-backed image editing support.
• Accept public image_url inputs for Image 2.0 segment-map requests.

Changed

• Correct Image 2.0 edit requests to use one to five source_image_urls and an aspect_ratio.

Deprecated

• Deprecate source_task_id for Image 2.0 segment-map requests.
  Replacement: Send image_url instead; source_task_id remains accepted for compatibility.