feat: one-line install for agents and probes from one shared script (curl | bash, zsh, PowerShell) [CI]

backend/tests/MoShiro.Backend.Tests/ApiBasicsTests.cs

@@ -222,11 +222,12 @@ public sealed class ApiBasicsTests
     }
 
     [Fact]
-    public async Task InstallScripts_AreNotShippedYet()
+    public async Task InstallScripts_RequireAValidCode()
     {
+        // 一行安装脚本凭一次性代码获取；没有代码或代码不能用是 404（完整行为见 InstallTests）
         using HttpResponseMessage response = await _backend.Anonymous.GetAsync("/install.sh");
-        Assert.Equal(HttpStatusCode.NotImplemented, response.StatusCode);
-        Assert.Equal("not_implemented", JsonNode.Parse(await response.Content.ReadAsStringAsync())!["code"]!.GetValue<string>());
+        Assert.Equal(HttpStatusCode.NotFound, response.StatusCode);
+        Assert.Equal("not_found", JsonNode.Parse(await response.Content.ReadAsStringAsync())!["code"]!.GetValue<string>());
     }
 }