TSP example, Configuration, Minor fixes

Author: strangecreator

examples/tsp_tour_minimization/config.yaml

@@ -10,7 +10,7 @@ llm:
   primary_model: "deepseek-reasoner"
   primary_model_weight: 1.0
   api_base: "https://api.deepseek.com"
-  api_key: "sk-9331bbe39c714bb588528a0f71afc802"
+  api_key: "<your-api-key>"
   temperature: 0.5
   max_tokens: 64000
   timeout: 600