feat: runtime manager

game/openapi_contract_test.go

@@ -58,6 +58,13 @@ func TestGameOpenAPISpecFreezesResponseSchemas(t *testing.T) {
 			status:  http.StatusOK,
 			wantRef: "#/components/schemas/StateResponse",
 		},
+		{
+			name:    "healthz probe",
+			path:    "/healthz",
+			method:  http.MethodGet,
+			status:  http.StatusOK,
+			wantRef: "#/components/schemas/HealthzResponse",
+		},
 	}
 
 	for _, tt := range tests {
@@ -108,6 +115,19 @@ func TestGameOpenAPISpecFreezesCommandRequest(t *testing.T) {
 	require.Equal(t, uint64(1), cmdSchema.Value.MinItems, "CommandRequest.cmd minItems must be 1")
 }
 
+func TestGameOpenAPISpecHealthzStatusEnum(t *testing.T) {
+	t.Parallel()
+
+	doc := loadOpenAPISpec(t)
+	schema := componentSchemaRef(t, doc, "HealthzResponse")
+
+	assertRequiredFields(t, schema, "status")
+
+	statusSchema := schema.Value.Properties["status"]
+	require.NotNil(t, statusSchema, "HealthzResponse.status schema must exist")
+	require.Equal(t, []any{"ok"}, statusSchema.Value.Enum, "HealthzResponse.status enum must be [\"ok\"]")
+}
+
 func TestGameOpenAPISpecCommandTypeEnumIsComplete(t *testing.T) {
 	t.Parallel()