fix: update function signature to match spec

Author: stark-cybertech

server/matching/generated-client/src/test/java/org/openapitools/client/api/GenAiApiTest.java

@@ -42,7 +42,7 @@ public class GenAiApiTest {
     @Test
     public void getApiV2GenaiConversationStarterTest() throws ApiException {
         UserCollection userCollection = null;
-        ConversationStarterCollection response = api.getApiV2GenaiConversationStarter(userCollection);
+        ConversationStarterCollection response = api.postApiV2GenaiConversationStarter(userCollection);
         // TODO: test validations
     }
 

server/matching/src/main/java/meet_at_mensa/matching/client/GenAiClient.java

@@ -52,7 +52,7 @@ public ConversationStarterCollection getPrompts(UserCollection users) {
             org.openapitools.client.model.ConversationStarterCollection clientCollection;
 
             // try to fetch prompts from ConversationStarter
-            clientCollection = apiInstance.getApiV2GenaiConversationStarter(
+            clientCollection = apiInstance.postApiV2GenaiConversationStarter(
 
                 // convert from server-type to client-type
                 convertServerUserCollectionToClientUserCollection(users)

server/user/generated-client/src/test/java/org/openapitools/client/api/GenAiApiTest.java

@@ -42,7 +42,7 @@ public class GenAiApiTest {
     @Test
     public void getApiV2GenaiConversationStarterTest() throws ApiException {
         UserCollection userCollection = null;
-        ConversationStarterCollection response = api.getApiV2GenaiConversationStarter(userCollection);
+        ConversationStarterCollection response = api.postApiV2GenaiConversationStarter(userCollection);
         // TODO: test validations
     }