refactor(env): use shared Hermes dotenv loader

scripts/discord-voice-doctor.py

@@ -176,9 +176,12 @@ def check_env_vars():
 
     # Load .env
     try:
-        from dotenv import load_dotenv
-        if ENV_FILE.exists():
-            load_dotenv(ENV_FILE)
+        from hermes_cli.env_loader import load_hermes_dotenv
+
+        load_hermes_dotenv(
+            hermes_home=ENV_FILE.parent,
+            project_env=PROJECT_ROOT / ".env",
+        )
     except ImportError:
         pass