pyproject(coverage): Add exclusions for imports and type aliases

why: Further reduce coverage noise from non-functional lines
what:
- Exclude import statements
- Exclude from-import statements
- Exclude TypeAlias definitions
- Exclude TypeVar definitions
- Fix logger exclusion pattern

Author: tony

pyproject.toml

@@ -155,7 +155,11 @@ exclude_lines = [
   "^\\s*\\.\\.\\.$",
   "^\\s*pass$",
   "^\\s*assert ",
-  "^\\s*logger\\.",
+  "^\\s*logger\\s*=",
+  "^import ",
+  "^from .* import",
+  ": TypeAlias = ",
+  "= t\\.TypeVar\\(",
 ]
 
 [tool.ruff]