[dermitzos]

This pull request introduces a significant refactor to the Arcscript interpreter's variable management system, moving from plain JavaScript objects to an ArcscriptVariable class for handling variable state, scoping, and changes. This change affects core interpreter logic, variable access, mutability, and how tests are structured. Additionally, it updates dependencies to include TypeScript 5.9.3.

Arcscript variable management refactor:

• Introduced a new ArcscriptVariable class to encapsulate variable state, including value, default value, type, scope, and change tracking (TypeScript/src/ArcscriptVariable.ts).
• Refactored ArcscriptState to use ArcscriptVariable instances for both global and scoped variables, replacing previous plain object structures and related logic (TypeScript/src/ArcscriptState.ts). [1] [2] [3]
• Updated variable reset and value management in ArcscriptFunctions to operate on ArcscriptVariable instances, simplifying logic and improving type safety (TypeScript/src/ArcscriptFunctions.ts). [1] [2] [3]

Testing and type improvements:

• Refactored all interpreter tests to use the new variable state structure and updated test cases to expect the new change-tracking format, removing old utility functions and adapting to the new API (TypeScript/src/__tests__/antlr4.interpreter.test.ts). [1] [2] [3] [4] [5] [6] [7]

Dependency updates:

• Added TypeScript 5.9.3 as a dependency and updated the lockfile accordingly (TypeScript/package.json, TypeScript/pnpm-lock.yaml). [1] [2]

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commit: 514576a