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ADDED Requirements

Requirement: Image-First PPT Generation

The system SHALL generate PPT pages as slide Frames whose primary visual content is a complete 16:9 generated image containing the page text, layout, background, and visual design.

Scenario: Generate PPT pages from content

  • GIVEN the user invokes PPT generation from a topic or mindmap
  • WHEN the system creates the PPT pages
  • THEN it SHALL create one Frame per page
  • AND it SHALL associate each Frame with the whole-slide generation prompt
  • AND it SHALL generate or enqueue one full-slide image for each page
  • AND it SHALL insert the resulting image into the corresponding Frame as the primary slide image

Scenario: Page image generation fails

  • GIVEN a PPT page image generation task fails
  • WHEN the PPT editing panel shows the page
  • THEN the page SHALL remain available with its original generation prompt
  • AND the user SHALL be able to regenerate that page without recreating the whole PPT

Requirement: PPT Editing Panel

The system SHALL present Frame-based PPT pages through a PPT editing panel that previews and manages pages in deck order.

Scenario: Preview PPT pages

  • GIVEN the current canvas contains PPT Frames
  • WHEN the user opens the PPT editing panel
  • THEN each PPT page SHALL show a page card with its index, name, dimensions, and preview image when available
  • AND clicking a page card SHALL focus/select the corresponding Frame on the canvas

Scenario: Hide obsolete PPT actions

  • GIVEN the current canvas contains PPT Frames
  • WHEN the PPT editing panel renders actions
  • THEN it SHALL NOT show PPT background image controls
  • AND it SHALL NOT show single-page PPT export actions
  • AND it SHALL keep full-deck PPT export available

Requirement: PPT Page Regeneration

The system SHALL replace single-page PPT export with page regeneration that uses the existing page image as a reference.

Scenario: Open regeneration dialog

  • GIVEN a PPT page has a stored generation prompt
  • WHEN the user clicks “重新生成” for that page
  • THEN the AI image generation dialog SHALL open with the stored prompt prefilled
  • AND the current primary slide image SHALL be attached as a reference image when available
  • AND the target Frame id and dimensions SHALL be passed for automatic回填

Scenario: Regeneration succeeds

  • GIVEN a PPT page regeneration task completes successfully
  • WHEN the generated image is inserted back into the target Frame
  • THEN the previous primary slide image SHALL be replaced by the new image
  • AND the page preview SHALL show the new image
  • AND the Frame SHALL remain in the same deck order

Scenario: Regeneration fails or is cancelled

  • GIVEN a PPT page regeneration task fails or is cancelled
  • WHEN the task finishes without a usable image
  • THEN the previous primary slide image SHALL remain unchanged
  • AND the page SHALL remain available for another regeneration attempt