Move editor generation pricing to backend: remove priceMudPoints from public request schemas and docs, require backend to compute model prices and perform pre-charge via execute_billable_asset_operation_with_cost. Update character animation and video handlers to use authenticated owner IDs and wrap generation requests in billing; remove client-side price validation. Adjust OpenAPI, project-memory docs, pricing management docs, and related tests to reflect that front-end only displays prices and must not submit priceMudPoints. Also document new user registration reward and wallet refund outbox behavior. Code and test changes applied across api-server handlers, shared contracts, and image-editor client/tests.
Add unified placement and UI updates for canvas generation: docs require ImageCanvasGenerationPlacementModel to compute placeholder positions (avoid overlaps, center viewport on placement) and limit frontend video model entries. Refactor UI components and tests: expose div props on PlatformFloatingMenu, make PlatformInlineOptionButton forwardRef, replace inline placeholder actions with ImageCanvasGenerationImageOptionsView in basic generation composer, enhance character animation panel with parameter menu portal and option choices, add reference chip UI, and update many tests to match new interactions and labels. These changes align generation workflows, accessibility labels, and positioning behavior across editor panels.