router(grpc): Implement route for chat_cmpl endpoint (#10761)

sgl-router/src/tokenizer/tiktoken.rs

@@ -170,6 +170,10 @@ impl TokenizerTrait for TiktokenTokenizer {
         // We can only decode IDs to text
         None
     }
+
+    fn as_any(&self) -> &dyn std::any::Any {
+        self
+    }
 }
 
 #[cfg(test)]