Add scoped expression evaluation

[j6k4m8]

Adds temporary scope resolution to typed references and propagates scope through scalar functions, arithmetic expressions, and compound comparisons while preserving normal graph resolution behavior.

[codspeed-hq]

Merging this PR will not alter performance

✅ 99 untouched benchmarks

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_{Comparing scoped-expression-evaluation (f7fb4c9) with master (ddcd2fe)}