Initial upload: DevDash CLI with TUI dashboard

tests/test_config.py

@@ -0,0 +1,29 @@
+import pytest
+import tempfile
+import os
+from pathlib import Path
+from src.config.config_manager import ConfigManager
+from src.config.settings import Settings
+
+
+class TestConfigManager:
+    def test_load_config_default(self, tmp_path, monkeypatch):
+        config_file = tmp_path / "config.json"
+        monkeypatch.setenv("DEVDASH_CONFIG", str(config_file))
+        manager = ConfigManager()
+        config = manager.load_config()
+        assert config.refresh_interval == 30
+        assert config.theme == "dark"
+
+    def test_save_and_load_config(self, tmp_path, monkeypatch):
+        config_file = tmp_path / "config.json"
+        monkeypatch.setenv("DEVDASH_CONFIG", str(config_file))
+        manager = ConfigManager()
+        settings = Settings(
+            github_token="test_token",
+            refresh_interval=60,
+        )
+        manager.save_config(settings)
+        loaded = manager.load_config()
+        assert loaded.github_token == "test_token"
+        assert loaded.refresh_interval == 60