Stage the real active hook and boundary helper next to a fixture-owned CommonJS Electron package so preload and exercise resolve the same module. Remove NODE_PATH reliance, retain capacity/preload/fatal-exit coverage, and prove isolation against a conflicting ancestor package. Fixes #3473 Co-authored-by: Kaoru0822 <[email protected]> Co-authored-by: gensokyo-dev <[email protected]>