feat(i18n): replace hardcoded Chinese strings with i18n calls across … #267

Job	Run time
build-docreader	4m 19s
build-app (amd64, linux/amd64, ubuntu-latest)	4m 54s
build-ui	9m 9s
build-sandbox	33s
build-app (arm64, linux/arm64, ubuntu-24.04-arm)	4m 40s
merge	23s
	23m 58s

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