WIP theming

tests/test_config.py

@@ -7,6 +7,7 @@ from pydantic import ValidationError
 
 from transcription.config import Provider
 from transcription.config import Settings
+from transcription.config import parse_cli_settings
 
 
 def _make_settings(**overrides) -> Settings:
@@ -31,6 +32,30 @@ class TestSettingsLoading:
         with pytest.raises(ValidationError):
             Settings(_env_file=None)
 
+    def test_ignores_process_cli_arguments(self, monkeypatch):
+        """Ordinary settings construction does not consume tooling arguments."""
+        monkeypatch.setattr("sys.argv", ["pytest", "--rootdir=/tmp/project"])
+
+        settings = _make_settings()
+
+        assert settings.port == 8000
+
+    def test_explicit_cli_parser_reads_arguments(self):
+        """The executable settings boundary accepts application CLI flags."""
+        settings = parse_cli_settings(
+            [
+                "--openrouter-api-key",
+                "test-key",
+                "--port",
+                "8123",
+                "--reload",
+            ]
+        )
+
+        assert settings.openrouter_api_key == "test-key"
+        assert settings.port == 8123
+        assert settings.reload is True
+
 
 class TestProviderSettings:
     """Verify provider enum defaults and validation."""