refactor!: rename the project from Monitor to MoShiro [CI]

Namespaces, assemblies, solution, binaries, images, systemd units, config paths, environment variables, protocol methods and the Linux user are all renamed. Breaking: existing databases, node identities and installed units must be recreated.

backend/src/MoShiro.Backend.Api/Common/EndpointConventions.cs

@@ -0,0 +1,25 @@
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Http;
+
+namespace MoShiro.Backend.Api;
+
+public static class EndpointConventions
+{
+    /// <summary>每个端点都必须有 operationId（snake_case，资源_动作）、summary 和 tag。</summary>
+    public static RouteHandlerBuilder Api(this RouteHandlerBuilder builder, string operationId, string summary, string tag) =>
+        builder.WithName(operationId).WithSummary(summary).WithTags(tag);
+
+    public static RouteHandlerBuilder Returns<T>(this RouteHandlerBuilder builder, int status = StatusCodes.Status200OK) =>
+        builder.Produces<T>(status);
+
+    /// <summary>登记该端点可能返回的错误状态（problem+json），让 OpenAPI 文档完整。</summary>
+    public static RouteHandlerBuilder ProducesProblems(this RouteHandlerBuilder builder, params int[] statuses)
+    {
+        foreach (int status in statuses)
+        {
+            builder.Produces<ProblemDto>(status, Problems.ContentType);
+        }
+
+        return builder;
+    }
+}