initial release

ConfigManager.cs

@@ -0,0 +1,63 @@
+namespace OpenQuery;
+
+public class AppConfig
+{
+    public string ApiKey { get; set; } = "";
+    public string Model { get; set; } = "qwen/qwen3.5-flash-02-23";
+    public int DefaultQueries { get; set; } = 3;
+    public int DefaultChunks { get; set; } = 3;
+    public int DefaultResults { get; set; } = 5;
+}
+
+public static class ConfigManager
+{
+    private static string GetConfigPath()
+    {
+        var home = Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);
+        var configDir = Path.Combine(home, ".config", "openquery");
+        if (!Directory.Exists(configDir))
+        {
+            Directory.CreateDirectory(configDir);
+        }
+        return Path.Combine(configDir, "config");
+    }
+
+    public static AppConfig Load()
+    {
+        var config = new AppConfig();
+        var path = GetConfigPath();
+        if (File.Exists(path))
+        {
+            var lines = File.ReadAllLines(path);
+            foreach (var line in lines)
+            {
+                var parts = line.Split('=', 2);
+                if (parts.Length == 2)
+                {
+                    var key = parts[0].Trim();
+                    var val = parts[1].Trim();
+                    if (key == "ApiKey") config.ApiKey = val;
+                    if (key == "Model") config.Model = val;
+                    if (key == "DefaultQueries" && int.TryParse(val, out var q)) config.DefaultQueries = q;
+                    if (key == "DefaultChunks" && int.TryParse(val, out var c)) config.DefaultChunks = c;
+                    if (key == "DefaultResults" && int.TryParse(val, out var r)) config.DefaultResults = r;
+                }
+            }
+        }
+        return config;
+    }
+
+    public static void Save(AppConfig config)
+    {
+        var path = GetConfigPath();
+        var lines = new List<string>
+        {
+            $"ApiKey={config.ApiKey}",
+            $"Model={config.Model}",
+            $"DefaultQueries={config.DefaultQueries}",
+            $"DefaultChunks={config.DefaultChunks}",
+            $"DefaultResults={config.DefaultResults}"
+        };
+        File.WriteAllLines(path, lines);
+    }
+}