fix(gateway): surface bootstrap failures to stderr instead of silently swallowing

gateway/run.py

@@ -499,21 +499,21 @@ try:
     if isinstance(_network_cfg, dict) and _network_cfg.get("force_ipv4"):
         apply_ipv4_preference(force=True)
 except Exception:
-    pass
+    print("  Warning: IPv4 preference application failed", file=sys.stderr)
 
 # Validate config structure early — log warnings so gateway operators see problems
 try:
     from hermes_cli.config import print_config_warnings
     print_config_warnings()
 except Exception:
-    pass
+    print("  Warning: config validation failed", file=sys.stderr)
 
 # Warn if user has deprecated MESSAGING_CWD / TERMINAL_CWD in .env
 try:
     from hermes_cli.config import warn_deprecated_cwd_env_vars
     warn_deprecated_cwd_env_vars()
 except Exception:
-    pass
+    print("  Warning: deprecation check failed", file=sys.stderr)
 
 # Gateway runs in quiet mode - suppress debug output and use cwd directly (no temp dirs)
 os.environ["HERMES_QUIET"] = "1"