Remove prefer sse stream

src/Transport/HttpTransport.php

@@ -24,7 +24,7 @@
  * Origin checks, complex ACK logic, and related session properties have been removed.
  * It primarily focuses on basic JSON-RPC via POST.
  */
-class HttpTransport extends AbstractTransport
+class HttpTransport implements TransportInterface
 {
     // Kept essential properties for basic POST JSON-RPC.
     /** @var ResponseInterface|null The PSR-7 response object being prepared. */

src/Transport/StdioTransport.php

@@ -13,7 +13,7 @@
  * Implements a transport using STDIN, STDOUT, and STDERR for line-based JSON messaging.
  * Each JSON-RPC message (or batch of messages) is expected to be on a single line.
  */
-class StdioTransport extends AbstractTransport
+class StdioTransport implements TransportInterface
 {
     /** @var resource The standard input stream. */
     private $stdin;

src/Transport/TransportInterface.php

@@ -50,16 +50,6 @@ public function receive(): ?array;
      */
     public function send(JsonRpcMessage|array $message): void;
 
-    /**
-     * Logs a message specific to the transport's operation.
-     *
-     * Example: For StdioTransport, this might write to STDERR.
-     * For HttpTransport, it might use a PSR-3 logger if integrated.
-     *
-     * @param string $message The message to log.
-     */
-    public function log(string $message): void;
-
     /**
      * Checks if the transport connection is considered closed.
      *
@@ -79,14 +69,4 @@ public function isClosed(): bool;
      * @return bool True if a stream is actively open, false otherwise.
      */
     public function isStreamOpen(): bool;
-
-    /**
-     * Hints to the transport that Server-Sent Events (SSE) are preferred for the response stream, if applicable.
-     *
-     * Transports that support SSE (e.g., HttpTransport) can use this to modify
-     * how they format and send responses. Transports that do not support SSE can ignore this hint.
-     *
-     * @param bool $prefer True to indicate a preference for SSE streaming, false otherwise.
-     */
-    public function preferSseStream(bool $prefer = true): void;
 }

tests/Util/MockTransport.php

@@ -80,12 +80,6 @@ public function log(string $message): void
         // error_log("MockTransport Log: " . $message); // For debugging tests
     }
 
-    public function preferSseStream(bool $prefer = true): void
-    {
-        // No-op for this mock implementation.
-        // Could store the preference if tests need to assert it was called.
-    }
-
     /**
      * Checks if the transport stream is currently open.
      * For this mock, defaults to false. Can be made configurable if needed.