Refactor datatype with simpler design #344

Job	Run time
plugin_update_check	5s
test_plugin (mongodb)	1m 7s
test_plugin (ibis)	1m 47s
test_plugin (anthropic)	34s
test_plugin (vllm)	46s
test_plugin (sklearn)	1m 14s
test_plugin (cohere)	1m 10s
test_plugin (jina)	1m 7s
test_plugin (sentence_transformers)	2m 25s
test_plugin (openai)	37s
test_plugin (torch)	2m 27s
test_plugin (transformers)	2m 38s
	15m 57s

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