[Demo] Rename vectorizer from openai_embeddings to openai

Simplified the vectorizer name by removing the redundant "_embeddings" suffix. The name "openai" is clearer and more concise.

Author: OskarStark

demo/config/packages/ai.yaml

@@ -55,7 +55,7 @@ ai:
  symfonycon:
  collection: 'symfony_blog'
  vectorizer:
- openai_embeddings:
+ openai:
  model:
  class: 'Symfony\AI\Platform\Bridge\OpenAi\Embeddings'
  name: !php/const Symfony\AI\Platform\Bridge\OpenAi\Embeddings::TEXT_ADA_002
@@ -65,7 +65,7 @@ ai:
  source: 'https://feeds.feedburner.com/symfony/blog'
  transformers:
  - 'Symfony\AI\Store\Document\Transformer\TextTrimTransformer'
- vectorizer: 'ai.vectorizer.openai_embeddings'
+ vectorizer: 'ai.vectorizer.openai'
  store: 'ai.store.chroma_db.symfonycon'
 
 services:
@@ -79,7 +79,7 @@ services:
  # $apiKey: '%env(SERP_API_KEY)%'
  Symfony\AI\Agent\Toolbox\Tool\Wikipedia: ~
  Symfony\AI\Agent\Toolbox\Tool\SimilaritySearch:
- $vectorizer: '@ai.vectorizer.openai_embeddings'
+ $vectorizer: '@ai.vectorizer.openai'
  $store: '@ai.store.chroma_db.symfonycon'
 
  Symfony\AI\Store\Document\Transformer\TextTrimTransformer: ~