fix: piper 加 ESPEAK_DATA_PATH 环境变量 (espeak-ng-data 目录)

src/main.rs

@@ -52,6 +52,7 @@ fn main() -> Result<()> {
     let ai_whisper_lib_dir = config.ai.whisper_lib_dir.clone();
     let ai_piper_lib_dir = config.ai.piper_lib_dir.clone();
     let ai_piper_config = config.ai.piper_config.clone();
+    let ai_espeak_data_dir = config.ai.espeak_data_dir.clone();
     let ai_tmp_dir = config.ai.tmp_dir.clone();
     let ai_context_window = config.ai.context_window;
 
@@ -85,6 +86,7 @@ fn main() -> Result<()> {
         ai_whisper_lib_dir,
         ai_piper_lib_dir,
         ai_piper_config,
+        ai_espeak_data_dir,
         ai_tmp_dir,
         ai_context_window,
     );