Add FanControl.ChromeboxEC plugin, project background, ectool docs

- Add FanControl.ChromeboxEC plugin for Fan Control
- Add project background/缘由 in README (EN/zh)
- Add docs/ectool-commands-zh.md
- Update sln, appsettings, gitignore

Made-with: Cursor

FanControl.ChromeboxEC/PluginConfig.cs

@@ -0,0 +1,43 @@
+using System.Text.Json;
+
+namespace FanControl.ChromeboxEC;
+
+/// <summary>插件配置，对应 ectool 命令参数。参见 docs/ectool-commands-zh.md</summary>
+public sealed class PluginConfig
+{
+    /// <summary>ectool 可执行文件路径，默认 Coolstar 安装路径</summary>
+    public string EctoolPath { get; set; } = @"C:\Program Files\crosec\ectool.exe";
+
+    /// <summary>读取温度：ectool temps &lt;sensorid&gt;。默认 ["temps", "0"]，可用 tempsinfo 查本机传感器 ID</summary>
+    public string[] TempArgs { get; set; } = ["temps", "0"];
+
+    /// <summary>读取转速：ectool pwmgetfanrpm [index|all]。默认 ["pwmgetfanrpm", "0"]</summary>
+    public string[] FanRpmArgs { get; set; } = ["pwmgetfanrpm", "0"];
+
+    /// <summary>恢复自动风扇：ectool autofanctrl。禁用控制时调用</summary>
+    public string[] AutoFanCtrlArgs { get; set; } = ["autofanctrl"];
+
+    public static PluginConfig Load()
+    {
+        var paths = new[]
+        {
+            Path.Combine(AppContext.BaseDirectory, "FanControl.ChromeboxEC.json"),
+            Path.Combine(Path.GetDirectoryName(typeof(PluginConfig).Assembly.Location) ?? "", "FanControl.ChromeboxEC.json"),
+            Path.Combine(AppContext.BaseDirectory, "Plugins", "FanControl.ChromeboxEC.json"),
+        };
+        foreach (var configPath in paths)
+        {
+            if (string.IsNullOrEmpty(configPath) || !File.Exists(configPath))
+                continue;
+            try
+            {
+                var json = File.ReadAllText(configPath);
+                var cfg = JsonSerializer.Deserialize<PluginConfig>(json);
+                if (cfg != null)
+                    return cfg;
+            }
+            catch { /* try next path */ }
+        }
+        return new PluginConfig();
+    }
+}