feat: add tool execution properties to Tool (#567)

closes #543 

## How Has This Been Tested?
unit

## Breaking Changes
binary compatibility in the Tool class

## Types of changes
- [ ] Bug fix (non-breaking change which fixes an issue)
- [x] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to change)
- [ ] Documentation update

## Checklist
- [x] I have read the [MCP
Documentation](https://modelcontextprotocol.io)
- [x] My code follows the repository's style guidelines
- [x] New and existing tests pass locally
- [ ] I have added appropriate error handling
- [ ] I have added or updated documentation as needed

---------

Co-authored-by: Konstantin Pavlov <1517853+kpavlov@users.noreply.github.com>

kotlin-sdk-server/src/commonMain/kotlin/io/modelcontextprotocol/kotlin/sdk/server/Server.kt

@@ -38,6 +38,7 @@ import io.modelcontextprotocol.kotlin.sdk.types.SubscribeRequest
 import io.modelcontextprotocol.kotlin.sdk.types.TextContent
 import io.modelcontextprotocol.kotlin.sdk.types.Tool
 import io.modelcontextprotocol.kotlin.sdk.types.ToolAnnotations
+import io.modelcontextprotocol.kotlin.sdk.types.ToolExecution
 import io.modelcontextprotocol.kotlin.sdk.types.ToolSchema
 import io.modelcontextprotocol.kotlin.sdk.types.UnsubscribeRequest
 import kotlinx.coroutines.CancellationException
@@ -313,6 +314,7 @@ public open class Server(
      * @param inputSchema The expected input schema for the tool.
      * @param outputSchema The optional expected output schema for the tool.
      * @param toolAnnotations Optional additional tool information.
+     * @param execution Optional execution-related properties, such as task-augmented execution support.
      * @param meta Optional metadata as a [JsonObject].
      * @param handler A suspend function that handles executing the tool when called by the client.
      * @throws IllegalStateException If the server does not support tools.
@@ -325,6 +327,7 @@ public open class Server(
         title: String? = null,
         outputSchema: ToolSchema? = null,
         toolAnnotations: ToolAnnotations? = null,
+        execution: ToolExecution? = null,
         meta: JsonObject? = null,
         handler: suspend ClientConnection.(CallToolRequest) -> CallToolResult,
     ) {
@@ -335,6 +338,7 @@ public open class Server(
             description = description,
             title = title,
             annotations = toolAnnotations,
+            execution = execution,
             meta = meta,
         )
         addTool(tool, handler)