initial commit

AnchorConfig.cs

@@ -0,0 +1,40 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace AnchorCli;
+
+internal sealed class AnchorConfig
+{
+    public string ApiKey { get; set; } = "";
+    public string Model { get; set; } = "qwen/qwen3.5-27b";
+
+    // ── Persistence ──────────────────────────────────────────────────────
+
+    private static string ConfigPath =>
+        Path.Combine(
+            Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
+            "anchor", "config.json");
+
+    public static AnchorConfig Load()
+    {
+        try
+        {
+            if (File.Exists(ConfigPath))
+            {
+                var json = File.ReadAllText(ConfigPath);
+                return JsonSerializer.Deserialize(json, AppJsonContext.Default.AnchorConfig)
+                    ?? new AnchorConfig();
+            }
+        }
+        catch { /* fall through to defaults */ }
+
+        return new AnchorConfig();
+    }
+
+    public void Save()
+    {
+        Directory.CreateDirectory(Path.GetDirectoryName(ConfigPath)!);
+        var json = JsonSerializer.Serialize(this, AppJsonContext.Default.AnchorConfig);
+        File.WriteAllText(ConfigPath, json);
+    }
+}