chore: increase granularity of RecvError reason code (#259)

Author: brandonskiser

crates/chat-cli/src/cli/chat/parser.rs

@@ -40,7 +40,12 @@ impl RecvError {
 
 impl ReasonCode for RecvError {
     fn reason_code(&self) -> String {
-        "RecvError".to_string()
+        match &self.source {
+            RecvErrorKind::Client(_) => "RecvErrorApiClient".to_string(),
+            RecvErrorKind::Json(_) => "RecvErrorJson".to_string(),
+            RecvErrorKind::StreamTimeout { .. } => "RecvErrorStreamTimeout".to_string(),
+            RecvErrorKind::UnexpectedToolUseEos { .. } => "RecvErrorUnexpectedToolUseEos".to_string(),
+        }
     }
 }