fix 3 optimize systemMsg and model default config values

config/retriex/model.yaml

@@ -2,16 +2,16 @@
 parameters:
   retriex.model.default_name: 'mto-model'
   retriex.model.default_stream: false
-  retriex.model.default_temperature: 0.1
+  retriex.model.default_temperature: 0.7
   retriex.model.default_top_k: 20
-  retriex.model.default_top_p: 0.8
-  retriex.model.default_repeat_penalty: 1.05
-  retriex.model.default_num_ctx: 4096
+  retriex.model.default_top_p: 0.1
+  retriex.model.default_repeat_penalty: 1.15
+  retriex.model.default_num_ctx:  32768
   retriex.model.default_retrieval_max_chunks: 25
-  retriex.model.default_retrieval_vector_top_k: 25
+  retriex.model.default_retrieval_vector_top_k: 50
 
-  retriex.model.guardrail_min_num_ctx: 512
+  retriex.model.guardrail_min_num_ctx: 1024
   retriex.model.guardrail_max_retrieval_chunks: 200
   retriex.model.guardrail_max_vector_top_k: 200
 
-  retriex.llm.timeout_seconds: 600
+  retriex.llm.timeout_seconds: 300

src/Agent/AgentRunner.php

@@ -778,15 +778,14 @@ final readonly class AgentRunner
         }
 
         return match ($type) {
-            'answer' => $msg,
+            'answer' => ' '.$msg,
             'err' => sprintf($this->agentRunnerConfig->getErrorHtmlTemplate(), $msg),
             'think' => sprintf($this->agentRunnerConfig->getThinkHtmlTemplate(), $msg),
             'info' => sprintf($this->agentRunnerConfig->getInfoHtmlTemplate(), $msg),
             'debug' => sprintf(
                 $this->agentRunnerConfig->getDebugHtmlTemplate(),
                 htmlspecialchars($msg, ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8')
-            ),
-            default => $msg,
+            )
         };
     }
 }