docs(core): drop result-type-correlation claim from setNotificationHandler (returns void)

Author: felixweinberger

.changeset/export-protocol-spec.md

@@ -3,4 +3,4 @@
 '@modelcontextprotocol/server': minor
 ---
 
-Export the abstract `Protocol` class (was reachable in v1 via deep imports) and add `Protocol<ContextT, SpecT extends ProtocolSpec = McpSpec>` for typed custom-method vocabularies. Subclasses supplying a concrete `ProtocolSpec` get method-name autocomplete and result-type correlation on the typed `setRequestHandler`/`setNotificationHandler` overloads (handler param types come from the `paramsSchema` argument; `ProtocolSpec['params']` is informational).
+Export the abstract `Protocol` class (was reachable in v1 via deep imports) and add `Protocol<ContextT, SpecT extends ProtocolSpec = McpSpec>` for typed custom-method vocabularies. Subclasses supplying a concrete `ProtocolSpec` get method-name autocomplete on the typed `setRequestHandler`/`setNotificationHandler` overloads, and result-type correlation on `setRequestHandler` (handler param types come from the `paramsSchema` argument; `ProtocolSpec['params']` is informational).

packages/core/src/shared/protocol.ts

@@ -309,9 +309,9 @@ type TimeoutInfo = {
  * Declares the request and notification vocabulary a `Protocol` subclass speaks.
  *
  * Supplying a concrete `ProtocolSpec` as `Protocol`'s second type argument gives method-name
- * autocomplete and result-type correlation on the typed overloads of `setRequestHandler`
- * and `setNotificationHandler`. `Protocol` defaults to {@linkcode McpSpec}; using the bare
- * `ProtocolSpec` type leaves methods string-keyed and untyped.
+ * autocomplete on the typed overloads of `setRequestHandler` and `setNotificationHandler`, and
+ * result-type correlation on `setRequestHandler`. `Protocol` defaults to {@linkcode McpSpec};
+ * using the bare `ProtocolSpec` type leaves methods string-keyed and untyped.
  *
  * Only `requests[K].result` is enforced by the type system; `params` shapes are informational
  * (handler param types come from the `paramsSchema` you pass at the call site).