Add name collision detection for flat module compilation (#110)#188
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When two imported modules define a function, data type, or constructor with the same name, the compiler now reports a clear error (E608/E609/ E610) listing both conflicting modules. Previously, the first module registered silently won and the second was ignored. - Provenance tracking in _register_modules detects cross-module collisions - New error codes: E608 (function), E609 (ADT type), E610 (constructor) - Local definitions shadow imports without error; same-module duplicates are not collisions - 7 new tests in TestNameCollisionDetection (1,344 total) - Follow-up issue #187 tracks qualified-call disambiguation via mangling - Documentation updates: SKILLS.md, vera/README.md, spec/11-compilation.md, CHANGELOG, README, TESTING - Version 0.0.57 Closes #110 Co-Authored-By: Claude <noreply@anthropic.invalid>
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Summary
_register_modulesdetects collisions across functions, ADT types, and constructorsFiles changed (13)
vera/codegen/modules.pyvera/errors.pytests/test_codegen_modules.pySKILLS.mdvera/README.mdspec/11-compilation.mdCHANGELOG.mdREADME.mdTESTING.mdvera/__init__.pypyproject.tomltests/test_readme.pyscripts/check_readme_examples.pyTest plan
pytest tests/ -q)mypy vera/)python scripts/check_examples.py)python scripts/check_version_sync.py)Closes #110
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