chore: bump TypeSpec dependencies to latest stable (#3932)

* Initial plan

* chore: bump TypeSpec dependencies to latest stable versions

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Co-authored-by: v-jiaodi <80496810+v-jiaodi@users.noreply.github.com>

* fix: apply clientDefaultValue to model property serialization and regenerate client-default-value

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Co-authored-by: v-jiaodi <80496810+v-jiaodi@users.noreply.github.com>

* update

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: v-jiaodi <80496810+v-jiaodi@users.noreply.github.com>
Co-authored-by: Jiao Di (MSFT) <v-jiaodi@microsoft.com>

Author: Copilot

packages/typespec-test/package.json

@@ -7,8 +7,8 @@
     "@typespec/openapi": "^1.11.0",
     "@azure-tools/typespec-autorest": "^0.67.0",
     "@typespec/openapi3": "^1.11.0",
-    "@azure-tools/typespec-azure-core": "^0.67.0",
-    "@azure-tools/typespec-client-generator-core": "^0.67.2",
+    "@azure-tools/typespec-azure-core": "^0.67.1",
+    "@azure-tools/typespec-client-generator-core": "^0.67.3",
     "@azure-tools/typespec-azure-resource-manager": "^0.67.1",
     "@azure-tools/typespec-azure-rulesets": "^0.67.0",
     "@typespec/compiler": "^1.11.0",

packages/typespec-ts/package.json

@@ -65,15 +65,15 @@
   "license": "MIT",
   "devDependencies": {
     "@azure-rest/core-client": "^2.3.1",
-    "@typespec/http-specs": "0.1.0-alpha.36-dev.3",
-    "@typespec/spector": "0.1.0-alpha.25-dev.5",
-    "@typespec/spec-api": "0.1.0-alpha.14-dev.4",
+    "@typespec/http-specs": "0.1.0-alpha.37-dev.3",
+    "@typespec/spector": "0.1.0-dev.4",
+    "@typespec/spec-api": "0.1.0-dev.3",
     "@typespec/tspd": "0.74.1",
-    "@azure-tools/azure-http-specs": "0.1.0-alpha.40-dev.4",
+    "@azure-tools/azure-http-specs": "0.1.0-alpha.40-dev.6",
     "@azure-tools/typespec-autorest": "^0.67.0",
-    "@azure-tools/typespec-azure-core": "^0.67.0",
+    "@azure-tools/typespec-azure-core": "^0.67.1",
     "@azure-tools/typespec-azure-resource-manager": "^0.67.1",
-    "@azure-tools/typespec-client-generator-core": "^0.67.2",
+    "@azure-tools/typespec-client-generator-core": "^0.67.3",
     "@azure/abort-controller": "^2.1.2",
     "@azure/core-auth": "^1.6.0",
     "@azure/core-lro": "^3.1.0",
@@ -110,8 +110,8 @@
     "js-yaml": "^4.1.0"
   },
   "peerDependencies": {
-    "@azure-tools/typespec-azure-core": "^0.67.0",
-    "@azure-tools/typespec-client-generator-core": "^0.67.2",
+    "@azure-tools/typespec-azure-core": "^0.67.1",
+    "@azure-tools/typespec-client-generator-core": "^0.67.3",
     "@typespec/compiler": "^1.11.0",
     "@typespec/http": "^1.11.0",
     "@typespec/rest": "^0.81.0",

packages/typespec-ts/src/modular/helpers/operationHelpers.ts

@@ -2318,12 +2318,20 @@ export function getSerializationExpression(
       skipDiscriminatedUnionSuffix: false
     }
   );
+
+  // Apply clientDefaultValue for model properties that have one
+  const defaultValueSuffix =
+    property.clientDefaultValue !== undefined &&
+    isDefaultValueTypeMatch(property, property.clientDefaultValue)
+      ? ` ?? ${formatDefaultValue(property.clientDefaultValue)}`
+      : "";
+
   if (serializeFunctionName) {
-    return `${nullOrUndefinedPrefix}${serializeFunctionName}(${propertyFullName})`;
+    return `${nullOrUndefinedPrefix}${serializeFunctionName}(${propertyFullName})${defaultValueSuffix}`;
   } else if (isAzureCoreErrorType(context.program, property.type.__raw)) {
-    return `${nullOrUndefinedPrefix}${propertyFullName}`;
+    return `${nullOrUndefinedPrefix}${propertyFullName}${defaultValueSuffix}`;
   } else {
-    return serializeRequestValue(
+    const baseExpr = serializeRequestValue(
       context,
       property.type,
       propertyFullName,
@@ -2332,6 +2340,7 @@ export function getSerializationExpression(
       getPropertySerializedName(property),
       propertyPath === "" ? true : false
     );
+    return `${baseExpr}${defaultValueSuffix}`;
   }
 }
 
@@ -2880,11 +2889,11 @@ export function getAllAncestors(type: SdkType): SdkType[] {
 }
 
 /**
- * Checks if a clientDefaultValue type matches the parameter type.
- * Returns true if the default value type is compatible with the parameter type.
+ * Checks if a clientDefaultValue type matches a parameter or model property type.
+ * Returns true if the default value type is compatible with the target type.
  */
 function isDefaultValueTypeMatch(
-  param: SdkHttpParameter | SdkBodyParameter,
+  param: SdkHttpParameter | SdkBodyParameter | SdkModelPropertyType,
   defaultValue: unknown
 ): boolean {
   const defaultType = typeof defaultValue;