Add macOS support by looking for espeak-ng from Homebrew

engine.py

@@ -228,17 +228,25 @@ def load_model() -> bool:
 
         # Auto-configure eSpeak for Linux by finding the system-installed library
         elif os.name == "posix":  # Linux/macOS
-            logger.info("Checking for system-installed eSpeak NG on Linux...")
+            logger.info("Checking for system-installed eSpeak NG on Linux/Mac...")
             # By setting the library path, we let phonemizer handle finding the data path, which is more robust.
-            espeak_lib_path = "/usr/lib/x86_64-linux-gnu/libespeak-ng.so"
-            if Path(espeak_lib_path).exists():
-                os.environ["PHONEMIZER_ESPEAK_LIBRARY"] = espeak_lib_path
+            possible_paths = [
+                Path("/usr/lib/x86_64-linux-gnu/libespeak-ng.so"),
+                Path("/opt/homebrew/lib/libespeak-ng.dylib"),
+            ]
+            espeak_found = False
+            for espeak_lib_path in possible_paths:
+                if not espeak_lib_path.exists():
+                    continue
+                os.environ["PHONEMIZER_ESPEAK_LIBRARY"] = str(espeak_lib_path)
                 logger.info(
                     f"Found and configured system eSpeak NG library: {espeak_lib_path}"
                 )
-            else:
+                espeak_found = True
+                break
+            if not espeak_found:
                 logger.warning(
-                    f"Could not find system eSpeak NG library at {espeak_lib_path}. "
+                    f"Could not find system eSpeak NG library at {possible_paths}. "
                     "Please ensure 'espeak-ng' is installed via your package manager."
                 )