Add more eval examples + filtering examples by language + fix git concurrent usage (#28719)

Release Notes:

- N/A

---------

Co-authored-by: michael <michael@zed.dev>
Co-authored-by: agus <agus@zed.dev>

crates/anthropic/Cargo.toml

@@ -25,5 +25,4 @@ serde.workspace = true
 serde_json.workspace = true
 strum.workspace = true
 thiserror.workspace = true
-util.workspace = true
 workspace-hack.workspace = true

crates/anthropic/src/anthropic.rs

@@ -10,7 +10,6 @@ use http_client::{AsyncBody, HttpClient, Method, Request as HttpRequest};
 use serde::{Deserialize, Serialize};
 use strum::{EnumIter, EnumString};
 use thiserror::Error;
-use util::ResultExt as _;
 
 pub use supported_countries::*;
 
@@ -363,11 +362,25 @@ pub struct RateLimitInfo {
 
 impl RateLimitInfo {
     fn from_headers(headers: &HeaderMap<HeaderValue>) -> Self {
+        // Check if any rate limit headers exist
+        let has_rate_limit_headers = headers
+            .keys()
+            .any(|k| k.as_str().starts_with("anthropic-ratelimit-"));
+
+        if !has_rate_limit_headers {
+            return Self {
+                requests: None,
+                tokens: None,
+                input_tokens: None,
+                output_tokens: None,
+            };
+        }
+
         Self {
-            requests: RateLimit::from_headers("requests", headers).log_err(),
-            tokens: RateLimit::from_headers("tokens", headers).log_err(),
-            input_tokens: RateLimit::from_headers("input-tokens", headers).log_err(),
-            output_tokens: RateLimit::from_headers("output-tokens", headers).log_err(),
+            requests: RateLimit::from_headers("requests", headers).ok(),
+            tokens: RateLimit::from_headers("tokens", headers).ok(),
+            input_tokens: RateLimit::from_headers("input-tokens", headers).ok(),
+            output_tokens: RateLimit::from_headers("output-tokens", headers).ok(),
         }
     }
 }