style: rustfmt server engine files

crates/xserv-server/src/tp_engine.rs

@@ -346,7 +346,12 @@ pub fn run_tp(
 /// Returns false if the send would block (client too slow) or the client is
 /// gone — the caller stops generating so the serial coordinator thread is free
 /// to admit the next request instead of blocking on one slow consumer.
-fn emit_text(tokenizer: &Tokenizer, req: &GenerateRequest, token_id: u32, buf: &mut Vec<u8>) -> bool {
+fn emit_text(
+    tokenizer: &Tokenizer,
+    req: &GenerateRequest,
+    token_id: u32,
+    buf: &mut Vec<u8>,
+) -> bool {
     if tokenizer.is_eos(token_id) {
         return true;
     }