[codex] Fix photo-only generation manifest

[similaitw]

What changed

• upgraded generation task manifests to v4 with mutually exclusive photo, catalog, and custom subjects
• made uploaded photos the only appearance source in photo mode and instructed providers to stop when a photo cannot be read
• removed known legacy Taiwan black bear defaults while preserving custom creator directions
• kept inactive catalog selections when importing a photo-mode task
• added unit and browser coverage for both ChatGPT and Gemini Markdown exports

Root cause

Photo-mode Markdown still serialized the complete inactive subjectProfile, including the default Taiwan black bear IDs. Migrated projects could also retain the old black bear prompt in extraDetails, creating conflicting instructions for ChatGPT and Gemini.

User impact

Newly downloaded photo-mode Markdown contains no inactive catalog subject. Existing users must reload the site, download a new Markdown file, and upload it with their photos in a new provider conversation.

Validation

• npm run typecheck
• npm test (31 passed)
• npm run build
• npm run test:e2e (1 passed)

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Project	Deployment	Actions	Updated (UTC)
line_sticker	Ready	Preview, Comment	Jun 22, 2026 11:33am