Crawl4ai tool refactoring #155

Job	Run time
test (browser-use, openai, 3.11, ubuntu-latest)	2m 17s
test (browser-use, gemini, 3.11, ubuntu-latest)	1m 26s
test (browser-use, anthropic, 3.11, ubuntu-latest)	1m 36s
test (browser-use, deepseek, 3.11, ubuntu-latest)	56s
test (crawl4ai, openai, 3.11, ubuntu-latest)	2m 25s
test (crawl4ai, gemini, 3.11, ubuntu-latest)	56s
test (crawl4ai, anthropic, 3.11, ubuntu-latest)	54s
test (crawl4ai, deepseek, 3.11, ubuntu-latest)	50s
test (interop, openai, 3.11, ubuntu-latest)	1m 8s
test (interop, gemini, 3.11, ubuntu-latest)	59s
test (interop, anthropic, 3.11, ubuntu-latest)	59s
test (interop, deepseek, 3.11, ubuntu-latest)	1m 5s
integration-test-check	2s
	15m 33s

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