diff --git a/mempalace/__init__.py b/mempalace/__init__.py
index d7a138d..78d760b 100644
--- a/mempalace/__init__.py
+++ b/mempalace/__init__.py
@@ -1,6 +1,21 @@
 """MemPalace — Give your AI a memory. No API key required."""
 
-from .cli import main
-from .version import __version__
+import logging
+import os
+import platform
+
+from .cli import main  # noqa: E402
+from .version import __version__  # noqa: E402
+
+# ChromaDB 0.6.x ships a Posthog telemetry client whose capture() signature is
+# incompatible with the bundled posthog library, producing noisy stderr warnings
+# on every client operation ("Failed to send telemetry event … capture() takes
+# 1 positional argument but 3 were given").  Silence just that logger.
+logging.getLogger("chromadb.telemetry.product.posthog").setLevel(logging.CRITICAL)
+
+# ONNX Runtime's CoreML provider segfaults during vector queries on Apple Silicon.
+# Force CPU execution unless the user has explicitly set a preference.
+if platform.machine() == "arm64" and platform.system() == "Darwin":
+    os.environ.setdefault("ORT_DISABLE_COREML", "1")
 
 __all__ = ["main", "__version__"]