V4.5 Complete - Enhanced trancription context, added option to restranscribe source under different models.

tests/test_config.py

@@ -12,7 +12,7 @@ from transcription.config import parse_cli_settings
 
 def _make_settings(**overrides) -> Settings:
     """Build a Settings instance with a dummy API key unless overridden."""
-    defaults = {"openrouter_api_key": "test-key-abc123"}
+    defaults = {"openrouter_api_key": "test-key-abc123", "provider_models": None}
     defaults.update(overrides)
     return Settings(**defaults)
 
@@ -106,6 +106,31 @@ class TestProviderSettings:
         settings = Settings(openrouter_api_key="test-key-abc123")
         assert settings.provider_model == "google/gemini-2.5-flash"
 
+    def test_provider_models_defaults_to_default_model(self):
+        settings = _make_settings(provider_model="vendor/default")
+
+        assert settings.provider_models == ("vendor/default",)
+
+    def test_provider_models_are_default_first_trimmed_and_deduplicated(self):
+        settings = _make_settings(
+            provider_model=" vendor/default ",
+            provider_models=["vendor/alternate", "vendor/default", " vendor/other "],
+        )
+
+        assert settings.provider_models == ("vendor/default", "vendor/alternate", "vendor/other")
+
+    def test_provider_models_rejects_empty_list(self):
+        with pytest.raises(ValidationError):
+            _make_settings(provider_models=[])
+
+    def test_provider_models_loads_json_from_environment(self, monkeypatch):
+        monkeypatch.setenv("PROVIDER_MODEL", "vendor/default")
+        monkeypatch.setenv("PROVIDER_MODELS", '["vendor/alternate","vendor/default"]')
+
+        settings = Settings(openrouter_api_key="test-key-abc123")
+
+        assert settings.provider_models == ("vendor/default", "vendor/alternate")
+
 
 class TestPathSettings:
     """Verify filesystem path field types."""