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SQ# core types — SqValue, SqArray, SqHashMap, SqCode, SqError, bytecode types, and binary serializer.

SQ# lexer, Pratt parser, and AST node types.

SQ# AST-to-bytecode compiler (single-pass recursive walk).

SQ# stack-based bytecode VM with 29 opcodes and builtin command support.

SQ# cooperative fiber scheduler with time-budgeted execution and multi-scheduler support.

SQ# host API — central entry point for embedding SQ# in .NET applications. Command registration, state save/load, scheduler management.

SQ# standard library commands.

SQ# legacy SQF preprocessor (opt-in).