rf: use single, shared importer for each Snapshot#52
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The rf tool was failing with spurious type errors when refactoring projects with complex dependencies, such as the build repository. The issue was caused by the tool creating a new types.Importer instance for every external package it loaded from export data. This led to multiple, incompatible types.Package objects for the same package (like context), causing type mismatches even for identical types.
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The rf tool was failing with spurious type errors when refactoring projects with complex dependencies, such as the build repository. The issue was caused by the tool creating a new types.Importer instance for every external package it loaded from export data. This led to multiple, incompatible types.Package objects for the same package (like context), causing type mismatches even for identical types.