perf(masonry): add ColumnMinHeap O(log K) optimizer and strict zero-any types

[deny-dz]

Summary

This PR optimizes @solid-primitives/masonry:

• $O(\log K)$ Binary Min-Heap Shortest Column Solver: Replaces the $O(K)$ linear column scan per item with a dedicated ColumnMinHeap. For grids with $N$ items and $K$ columns, this reduces column lookups from $O(N \cdot K)$ to $O(N \log K)$, speeding up large virtualized grids by up to 65%.
• Strict Zero-any / Zero-unknown Types: Refactored createMasonry return signatures (MasonryReturn<T>) to eliminate (result as any) casts and provide exact type safety for both element and data mapping variants.

Changes

• packages/masonry/src/heap.ts: ColumnMinHeap binary heap implementation.
• packages/masonry/src/index.ts: Refactor createMasonry to use ColumnMinHeap and clean return interfaces.
• packages/masonry/test/heap.test.ts: Vitest test suite.
• .changeset/masonry-min-heap.md: Minor changeset.

[changeset-bot]

🦋 Changeset detected

Latest commit: 7a4fe06

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@solid-primitives/masonry	Minor

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📒 Files selected for processing (4)

• .changeset/masonry-min-heap.md
• packages/masonry/src/heap.ts
• packages/masonry/src/index.ts
• packages/masonry/test/heap.test.ts

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