test(agent): Add unit tests for agent-core and fix clippy warnings

crates/tools/web/src/lib.rs

@@ -82,9 +82,10 @@ impl WebFetchClient {
         let status = response.status().as_u16();
 
         // Handle redirects manually
-        if status >= 300 && status < 400 {
-            if let Some(location) = response.headers().get("location") {
-                let location_str = location.to_str()?;
+        if (300..400).contains(&status)
+            && let Some(location) = response.headers().get("location")
+        {
+            let location_str = location.to_str()?;
 
                 // Parse the redirect URL (may be relative)
                 let redirect_url = if location_str.starts_with("http") {
@@ -111,7 +112,6 @@ impl WebFetchClient {
                     url,
                     redirect_url
                 ));
-            }
         }
 
         let content_type = response