Build

refactor: replace bun run with tsx/pnpm across scripts and CI #4659

Job	Run time
Detect Changes	8s
Unit Tests	2m 43s
Validate generated files	25s
Lint & Typecheck	52s
Build npm Package (Node ${{ matrix.node }})	0s
CI Status	3s
Build Binary (${{ matrix.target }})	0s
Generate Delta Patches	0s
Build Docs	0s
E2E Tests	0s
Publish Nightly to GHCR	-1s
	4m 10s

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