Prefer configured theme OpenAI provider over incomplete WP AI Client stubs,
return clearer status codes/messages for summary generation, and improve
block-editor content collection for AI 摘要 on post-new.
update_option returns false when values are identical, which made
POST /ai/settings respond 400 with "保存失败" on no-op saves and
masked-key re-saves. Normalize config, accept no-op as success, and
only send a new API key from the admin form when entered.
kate522
Claude Code