Add default authorization header for gitea api (remove query string)

Add review cost

src/open_router.rs

@@ -2,6 +2,11 @@ use std::time::Duration;
 
 use openrouter_rs::{Message, api::chat::ChatCompletionRequest};
 
+pub struct ChatResult {
+    pub message: String,
+    pub cost: Option<f64>,
+}
+
 pub struct OpenRouterClient {
     client: openrouter_rs::OpenRouterClient,
     model: String,
@@ -22,21 +27,21 @@ impl OpenRouterClient {
         })
     }
 
-    pub async fn chat(&self, msg: &str) -> anyhow::Result<String> {
+    pub async fn chat(&self, msg: &str) -> anyhow::Result<ChatResult> {
         let request = ChatCompletionRequest::builder()
             .model(&self.model)
             .enable_reasoning()
-            .messages(vec![Message::new(
-                openrouter_rs::types::Role::Developer,
-                msg,
-            )])
+            .messages(vec![Message::new(openrouter_rs::types::Role::User, msg)])
             .build()?;
 
         let response = self.client.chat().create(&request).await?;
 
-        response.choices[0]
-            .content()
-            .map(|msg| String::from(msg))
-            .ok_or(anyhow::anyhow!("No content"))
+        Ok(ChatResult {
+            message: response.choices[0]
+                .content()
+                .map(|msg| String::from(msg))
+                .ok_or(anyhow::anyhow!("No content"))?,
+            cost: response.usage.and_then(|u| u.cost),
+        })
     }
 }