Unify UI aliases for the Nanobanana image model by mapping display and legacy names to the real model ID (gemini-3.1-flash-image-preview). Added normalizeEditorImageModel and used it across generation, dialog, submission and workflow code paths to ensure consistent model selection and pricing. Server-side editor_generation_config and editor_project were updated to accept the display alias (nanobanana2) and legacy alias (nano-banana) for validation/pricing. Tests and docs were added/updated to cover alias normalization and related UI behavior; minor code formatting tweaks included.
JenkenB
991fea965f