go.mod: upgrade to jsonschema v0.4.1

DO NOT SUBMIT

Visible changes:

- Inference on structs populates PropertyOrder

- An empty map for Schema.Properties marshals as "{}"

Author: jba

go.mod

@@ -5,7 +5,7 @@ go 1.23.0
 require (
 	github.com/golang-jwt/jwt/v5 v5.2.2
 	github.com/google/go-cmp v0.7.0
-	github.com/google/jsonschema-go v0.3.0
+	github.com/google/jsonschema-go v0.4.1
 	github.com/yosida95/uritemplate/v3 v3.0.2
 	golang.org/x/oauth2 v0.30.0
 	golang.org/x/tools v0.34.0

go.sum

@@ -4,6 +4,8 @@ github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
 github.com/google/jsonschema-go v0.3.0 h1:6AH2TxVNtk3IlvkkhjrtbUc4S8AvO0Xii0DxIygDg+Q=
 github.com/google/jsonschema-go v0.3.0/go.mod h1:r5quNTdLOYEz95Ru18zA0ydNbBuYoo9tgaYcxEYhJVE=
+github.com/google/jsonschema-go v0.4.1 h1:7Cq/xS+ykHvL5xMOjL0ONlOytAvAFcZTqDjXwrc4AtQ=
+github.com/google/jsonschema-go v0.4.1/go.mod h1:r5quNTdLOYEz95Ru18zA0ydNbBuYoo9tgaYcxEYhJVE=
 github.com/yosida95/uritemplate/v3 v3.0.2 h1:Ed3Oyj9yrmi9087+NczuL5BwkIc4wvTb5zIM+UJPGz4=
 github.com/yosida95/uritemplate/v3 v3.0.2/go.mod h1:ILOh0sOhIJR3+L/8afwt/kE++YT040gmv5BQTMR2HP4=
 golang.org/x/oauth2 v0.30.0 h1:dnDm7JmhM45NNpd8FDDeLhK6FwqbOf4MLCM9zb1BOHI=

mcp/server_test.go

@@ -812,10 +812,30 @@ func TestToolForSchemas(t *testing.T) {
 
 	var (
 		falseSchema = &schema{Not: &schema{}}
-		inSchema    = &schema{Type: "object", AdditionalProperties: falseSchema, Properties: map[string]*schema{"p": {Type: "integer"}}}
-		inSchema2   = &schema{Type: "object", AdditionalProperties: falseSchema, Properties: map[string]*schema{"p": {Type: "string"}}}
-		outSchema   = &schema{Type: "object", AdditionalProperties: falseSchema, Properties: map[string]*schema{"b": {Type: "boolean"}}}
-		outSchema2  = &schema{Type: "object", AdditionalProperties: falseSchema, Properties: map[string]*schema{"b": {Type: "integer"}}}
+		inSchema    = &schema{
+			Type:                 "object",
+			AdditionalProperties: falseSchema,
+			Properties:           map[string]*schema{"p": {Type: "integer"}},
+			PropertyOrder:        []string{"p"},
+		}
+		inSchema2 = &schema{
+			Type:                 "object",
+			AdditionalProperties: falseSchema,
+			Properties:           map[string]*schema{"p": {Type: "string"}},
+			PropertyOrder:        []string{"p"},
+		}
+		outSchema = &schema{
+			Type:                 "object",
+			AdditionalProperties: falseSchema,
+			Properties:           map[string]*schema{"b": {Type: "boolean"}},
+			PropertyOrder:        []string{"b"},
+		}
+		outSchema2 = &schema{
+			Type:                 "object",
+			AdditionalProperties: falseSchema,
+			Properties:           map[string]*schema{"b": {Type: "integer"}},
+			PropertyOrder:        []string{"b"},
+		}
 	)
 
 	// Infer both schemas.
@@ -850,6 +870,7 @@ func TestToolForSchemas(t *testing.T) {
 				"AsOf":    {Type: "string"},
 				"Source":  {Type: "string"},
 			},
+			PropertyOrder: []string{"Summary", "AsOf", "Source"},
 		},
 		"")
 }