Cursor rule

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2description: 
3globs: 
4alwaysApply: true
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61. while addressing fail tests, always have a mindset that there must be main program core error to fix rather than make test less strict!!
72. Test cases should be isolated and clean no left over even on sigterm
83. Test should use bun:test describe,it,afterAll,beforeAll,afterEach,beforeEach without mock
94. Create challenging, thorough test cases that fully verify implementation
105. Test cases should match expected requirements
116. Do not create test of tricks, simulation, stub, mock, etc. you should produce code of real algorithm
127. Do not create any new file for helper,script etc. just do what prompted.
138. test files should only be located outside src at test/unit or test/e2e
149. test should use/modify test/test.util.ts for reusability