diff --git a/network-poc/native-node/src/inference.rs b/network-poc/native-node/src/inference.rs
index 64420d2..0ce6810 100644
--- a/network-poc/native-node/src/inference.rs
+++ b/network-poc/native-node/src/inference.rs
@@ -79,7 +79,8 @@ impl LlmEngine {
     }
 
     pub async fn generate(&self, prompt: &str, max_tokens: usize) -> Result<GenerateResult, String> {
-        let system = "You are a coding assistant. Respond with ONLY code. No explanations, no markdown fences, no 'Please note' or 'Here is' text. Only working code with proper imports.";
+        // System prompt tulee agentin konfiguraatiosta (frontend lähettää sen osana promptia).
+        // Tässä ei yliajeta sitä — Ollama saa vain prompt-kentän.
         let model = self.model.borrow().clone();
 
         let start = Instant::now();
@@ -87,7 +88,6 @@ impl LlmEngine {
             .json(&serde_json::json!({
                 "model": model,
                 "prompt": prompt,
-                "system": system,
                 "stream": false,
                 "options": {
                     "num_predict": max_tokens,