Update to rmcp 1.1.0 (#7619)

Co-authored-by: Alex Hancock <alexhancock@block.xyz>

crates/goose-server/src/routes/agent.rs

@@ -968,11 +968,12 @@ async fn call_tool(
         _ => None,
     };
 
-    let tool_call = CallToolRequestParams {
-        meta: None,
-        task: None,
-        name: payload.name.into(),
-        arguments,
+    let tool_call = {
+        let mut params = CallToolRequestParams::new(payload.name);
+        if let Some(args) = arguments {
+            params = params.with_arguments(args);
+        }
+        params
     };
 
     let tool_result = agent

crates/goose-server/src/routes/sampling.rs

@@ -62,11 +62,13 @@ async fn create_message(
 
     let text = response.as_concat_text();
 
-    Ok(Json(CreateMessageResult {
-        model: usage.model,
-        stop_reason: Some(CreateMessageResult::STOP_REASON_END_TURN.to_string()),
-        message: SamplingMessage::new(Role::Assistant, SamplingMessageContent::text(&text)),
-    }))
+    Ok(Json(
+        CreateMessageResult::new(
+            SamplingMessage::new(Role::Assistant, SamplingMessageContent::text(&text)),
+            usage.model,
+        )
+        .with_stop_reason(CreateMessageResult::STOP_REASON_END_TURN),
+    ))
 }
 
 fn content_to_message(base: Message, content: &SamplingContent<SamplingMessageContent>) -> Message {