Updated SetVariableNode to support reference value variables and array variables.

[lextatic]

Changed

• Updated SetVariableNode to support reference value variables and array variables.

[Copilot]

Pull request overview

Updates SetVariableNode so it can write to the existing target variable kind instead of only scalar Variant128 graph/shared variables.

Changes:

• Added runtime reference/reference-array lookup and mutation helpers.
• Expanded SetVariableNode execution to handle scalar values, value arrays, reference values, and reference arrays.
• Added tests and documentation for reference-variable support.

Reviewed changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
Forge/Statescript/Variables.cs	Adds runtime type helpers for reference variables and reference arrays.
Forge/Statescript/GraphContext.cs	Adds runtime type overloads for resolving reference values and arrays.
Forge/Statescript/Nodes/Action/SetVariableNode.cs	Resolves target kind and writes using the matching variable API.
Forge.Tests/Statescript/Nodes/Action/SetVariableNodeTests.cs	Adds SetVariableNode tests for reference values/arrays and shared reference targets.
docs/statescript/variables.md	Documents SetVariableNode target-kind behavior.
docs/statescript/nodes/action/set-variable-node.md	Updates SetVariableNode behavior notes.
.editorconfig	Changes default indentation style to tabs.

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