Add tests

README.md

@@ -75,7 +75,33 @@ Install the built wheel elsewhere:
 uv pip install dist/*.whl
 ```
 
+## Testing
+
+Run the included unit tests with the standard library `unittest` runner.
+
+```bash
+# Using uv
+uv run python -m unittest discover -s tests -v
+
+# Or with an activated venv
+python -m unittest discover -s tests -v
+```
+
+Run a single test file:
+
+```bash
+uv run python -m unittest tests/test_api.py -v
+```
+
+## Development
+
+Run directly from source without installing (useful while iterating):
+
+```bash
+PYTHONPATH=src uv run python -m hysteria_panel
+```
+
 ## Troubleshooting
 
-- No module named `hysteria-panel`: ensure the project is installed (`uv sync` or `pip install -e .`).
+- No module named `hysteria_panel`: ensure the project is installed (`uv sync` or `pip install -e .`).
 - Cannot connect: verify host/port/secret and whether HTTPS is required.