pyproject(coverage): Add exclusions for noise lines

why: Improve coverage accuracy by excluding non-functional lines
what:
- Exclude ellipsis-only lines (protocol stubs)
- Exclude pass statements
- Exclude assert statements (debug-only)
- Exclude logger statements

Author: tony

pyproject.toml

@@ -152,6 +152,10 @@ exclude_lines = [
   'class .*\bProtocol\):',
   "from __future__ import annotations",
   "import typing as t",
+  "^\\s*\\.\\.\\.$",
+  "^\\s*pass$",
+  "^\\s*assert ",
+  "^\\s*logger\\.",
 ]
 
 [tool.ruff]