* Rename the 'Identity' node to 'Passthrough' internally
* Rename the 'Memoize' node to 'Cache' internally
* Let skip_impl proto nodes auto-generate as document node definitions
* Remove the wrapper 'Passthrough' node from document_node_definitions.rs
* Remove the wrapper 'Cache' node from document_node_definitions.rs
* Remove the wrapper 'Monitor' node from document_node_definitions.rs
* Remove the wrapper 'Noise Pattern' node from document_node_definitions.rs
* Remove the wrapper 'Brush' node from document_node_definitions.rs
* Remove the wrapper 'Transform' node from document_node_definitions.rs
* Code review improvements
* Rename Cache node back to Memoize
* More code review
* Rename "editor:layer" to "editor:layer_path" and centralize it in a const
* Centralize "editor:merged_layers" in a const
* Centralize all other attributes in consts
* Rename consts with ATTR_ prefix
* Format
* Fix click target propagation with the Rasterize node
* Add the 'Write Attribute' node
* Remove tag_layer in favor of the new Write Attribute node, prune redundant attribute writes
* Replace the Vector<Upstream> type argument with the "editor:merged_layers" attribute
* Feature-gate serde derives behind cfg_attr in all runtime node graph type crates
* Refactor Table to move its hard-coded fields into an attributes field
* Encapsulate TableRow/TableRowRef/TableRowMut attribute fields behind accessor methods
* Remove TaggedValue::GraphicUnused
* Refactor Table<T> to use dynamic attributes instead fixed names
* Fix code review soundness concerns
* Add todo work
* Replace row-oriented Table<T> API with column-oriented access
* Fix attribute propagation bugs
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* Rename 'Image Value' node to 'Image' and have its input value be Image<Color> not Table<Raster<CPU>>
* Add a Properties panel widget labeling "width x height" for images in the Image node
* Add Image<Color> node registry entry for MonitorNode
* Code review
* Refactor transform decomposition API with skew support, add Decompose Skew node, and fix stroke transform interpolation
* Fix bug in master with skew changing Area node calculated value
* Code review simplification
* More code review fixes
* Rename cases where "shear" terminology was used in place of "skew"
* Replace the title attribute with custom FloatingMenu tooltips
* Separate tooltip labels and descriptions into two styled blocks
* Move keyboard shortcut tooltips to a separate section at the bottom
* Update shortcut key styling in tooltips and hints bar
* Fix .to_string()
