Make Tailscale connection non-blocking in Convos entrypoint

Invalid auth key was causing tailscale up to hang indefinitely,
preventing Convos from starting. Now runs in background subshell
so Convos starts regardless of Tailscale auth status.

Author: perigrin

convos/entrypoint.sh

@@ -17,10 +17,14 @@ mkdir -p /var/lib/tailscale
 /usr/local/bin/tailscaled --state=/var/lib/tailscale/tailscaled.state &
 sleep 2
 
-# Connect to Tailscale if auth key is provided
+# Connect to Tailscale if auth key is provided (non-blocking)
+# Run in background so Convos starts even if Tailscale auth fails
 if [ -n "${TAILSCALE_AUTHKEY}" ]; then
-    /usr/local/bin/tailscale up --auth-key=${TAILSCALE_AUTHKEY} --hostname=magnet-convos --ssh --accept-dns=false
-    echo "Connected to Tailscale as magnet-convos"
+    (
+        /usr/local/bin/tailscale up --auth-key=${TAILSCALE_AUTHKEY} --hostname=magnet-convos --ssh --accept-dns=false && \
+        echo "Connected to Tailscale as magnet-convos" || \
+        echo "Tailscale connection failed (non-fatal)"
+    ) &
 else
     echo "TAILSCALE_AUTHKEY not set, skipping Tailscale"
 fi