feat: graceful multiple imports exit + `transform` and `refine` #2350

Job	Run time
Run Vitest in codemod/zod-to-valibot	25s
Install packages	25s
Publish library via pkg.pr.new	27s
Run ESLint in library	55s
Run Prettier in library	43s
Run ESLint in website	32s
Run Vitest in library	42s
Run Prettier in packages/to-json-schema	22s
Run ESLint in packages/to-json-schema	36s
Run Vitest in packages/to-json-schema	27s
Run Prettier in website	47s
	6m 21s

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