optimize weigths by rag and shop

src/Config/PromptBuilderConfig.php

@@ -37,7 +37,7 @@ class PromptBuilderConfig{
      * The shop search may return many candidates, but the LLM should only see
      * the most relevant top subset after local reranking.
      */
-    public const MAX_SHOP_RESULTS_IN_PROMPT = 10;
+    public const MAX_SHOP_RESULTS_IN_PROMPT = 8;
 
     /**
      * Technical product prompts should be answered like documentation,
@@ -75,6 +75,8 @@ class PromptBuilderConfig{
         'wasserhärte',
         'hardness',
         'testomat',
+        'chlor',
+        'chlormessung',
     ];
 
     public const ACCESSORY_REQUEST_KEYWORDS = [
@@ -92,5 +94,4 @@ class PromptBuilderConfig{
         'ergänzung',
         'ergaenzung',
     ];
-
 }