Add changelog for 0.2.0 (#187)

CHANGELOG.md

@@ -7,6 +7,12 @@ All notable changes to `mcp/sdk` will be documented in this file.
 
 * Make `Protocol` stateless by decouple if from `TransportInterface`. Removed `Protocol::getTransport()`.
 * Change signature of `Builder::addLoaders(...$loaders)` to `Builder::addLoaders(iterable $loaders)`.
+* Removed `ClientAwareInterface` in favor of injecting a `RequestContext` with argument injection.
+* The `ClientGateway` cannot be injected with argument injection anymore. Use `RequestContext` instead.
+* Removed `ClientAwareTrait`
+* Removed `Protocol::getTransport()`
+* Added parameter for `TransportInterface` to `Protocol::processInput()`
+
 
 0.1.0
 -----

src/Capability/Discovery/SchemaGenerator.php

@@ -12,7 +12,6 @@
 namespace Mcp\Capability\Discovery;
 
 use Mcp\Capability\Attribute\Schema;
-use Mcp\Server\ClientGateway;
 use Mcp\Server\RequestContext;
 use phpDocumentor\Reflection\DocBlock\Tags\Param;
 
@@ -416,7 +415,7 @@ class SchemaGenerator
             if ($reflectionType instanceof \ReflectionNamedType && !$reflectionType->isBuiltin()) {
                 $typeName = $reflectionType->getName();
 
-                if (is_a($typeName, ClientGateway::class, true) || is_a($typeName, RequestContext::class, true)) {
+                if (is_a($typeName, RequestContext::class, true)) {
                     continue;
                 }
             }

src/Server/ClientGateway.php

@@ -43,7 +43,8 @@ use Mcp\Server\Session\SessionInterface;
  *
  * Example usage in a tool:
  * ```php
- * public function analyze(string $text, ClientGateway $client): string {
+ * public function analyze(string $text, RequestContext $context): string {
+ *     $client = $context->getClientGateway();
  *     // Send progress notification
  *     $client->notify(new ProgressNotification("Starting analysis..."));
  *