diff --git a/src/honker/goose.py b/src/honker/goose.py
index 68b3186..0a69b9a 100644
--- a/src/honker/goose.py
+++ b/src/honker/goose.py
@@ -223,7 +223,12 @@ class GooseConnection:
             client_info=Implementation(name="honker", version="0.1.0"),
             client_capabilities=ClientCapabilities(),
         )
-        log.info("ACP initialized: %s", resp)
+        log.info(
+            "ACP initialized (protocol_version=%s, agent=%s)",
+            resp.protocol_version,
+            resp.agent_info,
+        )
+        log.debug("ACP full init response: %s", resp)
 
     async def stop(self) -> None:
         """Shut down the ACP connection and goose process."""
diff --git a/src/honker/main.py b/src/honker/main.py
index fe1c63d..dc18785 100644
--- a/src/honker/main.py
+++ b/src/honker/main.py
@@ -1,6 +1,7 @@
 import argparse
 import asyncio
 import logging
+import os
 import signal
 import sys
 from pathlib import Path
@@ -84,6 +85,13 @@ def main() -> None:
     if args.debug:
         log.debug("Debug mode enabled — process logs will be written to %s", args.debug)
 
+    if "DBUS_SESSION_BUS_ADDRESS" not in os.environ:
+        log.warning(
+            "DBUS_SESSION_BUS_ADDRESS is not set — Goose may not be able to "
+            "access its keyring for API keys. If you see authentication errors, "
+            "ensure you're running in a session with D-Bus available."
+        )
+
     asyncio.run(run(args))