fix(ci): move marker filter from command line to pytest config

Move '-m not external_deps and not benchmark' to addopts to avoid
shell quoting issues in CI environments

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <[email protected]>

Author: MementoRC

pyproject.toml

@@ -220,8 +220,8 @@ install-editable = "python -m pip install -e ."
 dev-setup = "python -m pip install -e ."
 
 # TIER 1: Core Quality Gates (ZERO-TOLERANCE)
-# Note: exclude external_deps and benchmark tests that require PostgreSQL or heavy dependencies
-test = "pytest tests/ -v -x -m 'not external_deps and not benchmark'"
+# Note: exclude external_deps and benchmark tests via addopts in pytest config
+test = "pytest tests/ -v -x"
 test-fast = "pytest tests/unit/ -v --maxfail=5"
 test-cov = "pytest tests/ --cov=src/uckn --cov-report=html --cov-report=term --cov-report=xml --cov-report=json -m 'not external_deps and not benchmark'"
 test-all = "pytest tests/ -v"
@@ -306,6 +306,7 @@ addopts = [
     "--tb=short",
     "--strict-markers",
     "--timeout-method=thread",  # More robust for async/code with subprocesses
+    "-m", "not external_deps and not benchmark",  # Exclude tests requiring external deps
 ]
 # CI-specific configuration removed - using standard configuration with runtime environment detection
 timeout = 120  # 2 minutes default timeout for all tests (pytest-timeout)