Remove redundant JSON validation and reduce collection allocations

[kelindar]

Summary

• Remove redundant JSON validation from boolean evaluation and defer validation for JSON programs
• Reuse []any inputs directly and avoid duplicate intersection tracking
• Add regression tests and benchmarks for validation, ownership, and collection operations

Testing

Not run (not requested)

[github-actions]

████████████████████ 100.0% on changed lines

11 lines changed   0 uncovered   2 files

 📂 2 files changed

	File	Coverage	Uncovered Lines
🟢	expr.go	100.0%	—

| 🟢 | collection/collection.go | 100.0% | — |

 📋 Full diff-cover report

Diff Coverage

Diff: origin/main...HEAD, staged and unstaged changes

• collection/collection.go (100%)
• expr.go (100%)

Summary

• Total: 11 lines
• Missing: 0 lines
• Coverage: 100%

_{🛡️ diff-cover-action}