Fix syntax error, add ngrok skip header

src/inference/qwen.rs

@@ -22,8 +22,7 @@ pub async fn generate(redacted_prompt: &str) -> Result<(String, String, String)>
         }))
         .send()
         .await;
-    // ... rest unchanged ...
-}
+
     match resp {
         Ok(r) if r.status().is_success() => {
             let json: Value = r.json().await?;
@@ -52,4 +51,4 @@ pub async fn generate(redacted_prompt: &str) -> Result<(String, String, String)>
             ))
         }
     }
-}
+}