fix: optimization issues #125, #127, #126#439

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justrach wants to merge 3 commits intomainfrom

fix/consolidated-optimization-issues

Commits on Apr 11, 2026

fix: graph cache + indexed lookups — eliminate process-per-call and quadratic scans (#125)
justrach
committed
refactor: replace global mutable state in cache.zig with injected CacheState struct (#127)
justrach
committed
refactor: decompose tools.zig — extract repo config and graph handlers (#126)
justrach
committed