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.
Adds Seedance 2.0 reference-media constraints and forbids video data URLs; updates docs/decision-log and pitfalls to record the new rules. Introduces typed audio params (type: one-shot|loop, tempo: number|null), generator-specific placeholder styles/avoidance and UI changes for generation panels. Implements related front-end changes (new crop/ raster edit components, many image-editor models, tests and workflow hooks) and server-side contract/handler updates across api-server, shared-contracts, platform-audio, platform-image and vector_engine_audio_generation to support the new submission/asset flow and validations.
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