- Updated `block_range_at` to query a one-column span from `col` to `col + 1` instead of a zero-width point, preventing zero-width separator nodes from trapping resolution to enclosing scopes.
- Added regression tests for Swift computed properties and top-level declarations after blank lines so the resolver now returns the expected block boundaries.
- Documented the fix in the package changelog under the `Fixed` section for native tooling block-range operations.
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