feat: Reduce LLM temperature to 0

src/pipelines/pipeline-executor.ts

@@ -32,7 +32,7 @@ export class PipelineExecutor {
     const tools = await this._getOrLoadTools();
     const llm = new ChatOpenAI({
       model: 'gpt-4.1-2025-04-14',
-      temperature: 0.2,
+      temperature: 0,
       openAIApiKey: openAIApiKey,
       callbacks: [
         {