feat: v2 module system — import/export with multi-file compilation
Syntax:
import { Counter, shared_count } from "./shared"
export let shared_count = 0
export component Counter = ...
Implementation:
- Lexer: Import, Export keywords
- AST: ImportDecl(names, source), Export(name, inner_decl)
- Parser: parse_import_decl, parse_export_decl
- CLI: resolve_imports() — recursive file resolution, dedup, inline
Resolves relative paths, adds .ds extension, handles transitive imports.
110 tests, 0 failures.
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