tts-server: normalizza i numeri interi 5+ cifre in parole italiane (Qwen3-TTS li leggeva cifra per cifra)

tools/tts-server.cpp

@@ -7,6 +7,7 @@
 
 #include "qwen.h"
 #include "rvq-file.h"
+#include "text-normalize.h"
 #include "version.h"
 
 #include <cmath>
@@ -222,7 +223,9 @@ int main(int argc, char ** argv) {
     be.synthesize = [q, &lang](const tts_request & req, const tts_sink & sink, std::string & err) -> int {
         struct qt_tts_params p;
         qt_tts_default_params(&p);
-        p.text = req.input.c_str();
+        std::string normalized = req.input;
+        text_normalize::normalize_numbers(normalized);
+        p.text = normalized.c_str();
         p.lang = lang.c_str();
 
         // Copy the registered voice latents out under the lock: the