[Refactor] Move auxiliary files out of the repository root (#58572)

Signed-off-by: mgoin <mgoin64@gmail.com>

pyproject.toml

@@ -130,6 +130,54 @@ markers = [
     "optional: optional tests that are automatically skipped, include --optional to run them",
 ]
 
+[tool.coverage.run]
+# Track the installed vllm package (this is what actually gets imported during tests)
+# Use wildcard pattern to match the installed location
+source = ["vllm", "*/dist-packages/vllm", "*/site-packages/vllm"]
+omit = [
+    "*/tests/*",
+    "*/test_*",
+    "*/__pycache__/*",
+    "*/build/*",
+    "*/dist/*",
+    "*/vllm.egg-info/*",
+    "*/third_party/*",
+    "*/examples/*",
+    "*/benchmarks/*",
+    "*/docs/*",
+]
+
+[tool.coverage.paths]
+# Map all possible vllm locations to a canonical "vllm" path
+# This ensures coverage.combine properly merges data from different test runs
+source = [
+    "vllm",
+    "/vllm-workspace/src/vllm",
+    "/vllm-workspace/vllm",
+    "*/site-packages/vllm",
+    "*/dist-packages/vllm",
+]
+
+[tool.coverage.report]
+exclude_lines = [
+    'pragma: no cover',
+    'def __repr__',
+    'if self.debug:',
+    'if settings.DEBUG',
+    'raise AssertionError',
+    'raise NotImplementedError',
+    'if 0:',
+    'if __name__ == .__main__.:',
+    'class .*\bProtocol\):',
+    '@(abc\.)?abstractmethod',
+]
+
+[tool.coverage.html]
+directory = "htmlcov"
+
+[tool.coverage.xml]
+output = "coverage.xml"
+
 [tool.ty.src]
 respect-ignore-files = true