feat: add resume session endpoint

Author: andrepimpao

src/Resource/AssistantResource.php

@@ -10,7 +10,7 @@
 class AssistantResource extends Resource
 {
     /**
-     * Start a new session with the Weather AI Assistant
+     * Start a new session (create a news conversation) with the Weather AI Assistant
      *
      * @throws ClientExceptionInterface
      */
@@ -26,4 +26,24 @@ public function startSession(string $prompt): Answer
 
         return new Answer($data);
     }
+
+    /**
+     * Resume a session (continue a conversation) with the Weather AI Assistant
+     *
+     * @throws ClientExceptionInterface
+     */
+    public function resumeSession(string $sessionId, string $prompt): Answer
+    {
+        $this->api->setAuthentication(new Header('X-Api-Key', $this->api->apiKey));
+
+        $data = $this->api->request(
+            method: Method::POST,
+            path: $this->api->buildPath('/assistant/session/{sessionId}', [
+                'sessionId' => $sessionId
+            ]),
+            body: json_encode(['prompt' => $prompt])
+        );
+
+        return new Answer($data);
+    }
 }