lsp: avoid expensive type resolution in large attribute completions #2298
+32
−21
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Summary
This PR improves LSP attribute completion performance for large modules (e.g. import polars as pl; pl.) by avoiding eager per-attribute type/docstring resolution when the completion candidate set is large. For smaller completion sets, we still compute and return rich completion metadata (kinds, type details, and documentation) to preserve existing behavior.
Fixes #2296
Test Plan
cargo fmt --all
cargo test -p pyrefly completion -- --nocapture