Self-Hosted Compiler Architecture

The Zyra compiler is 100% self-hosted and written in pure Zyra.

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Compiler Pipeline

1. lexer.zy: Pure Zyra tokenizer emitting Token structures.
2. parser.zy: Pure Zyra recursive descent AST parser.
3. checker.zy: Semantic checker and diagnostic reporter.
4. zyra.zy: Entry point compiler CLI driver.