debug(entrypoint): add logging to check_primary

entrypoint.sh

@@ -16,12 +16,13 @@ PRIMARY_TAGS='["navidrome","web","traefik.enable=true","urlprefix-/navidrome","t
 # Check if this node is the LiteFS Primary
 # LiteFS 0.5 status API returns a flat object: {"isPrimary": true, ...}
 check_primary() {
-  local status=$(curl -s http://localhost:20202/info || echo "{}")
+  local status=$(curl -s http://localhost:20202/info || echo "{\"error\": \"curl failed\"}")
   local is_primary=$(echo "$status" | jq -r 'if type == "object" then (.isPrimary // false) else false end' 2>/dev/null || echo "false")
   
   if [ "$is_primary" = "true" ]; then
     return 0 # We are the primary
   fi
+  echo "check_primary: Not primary. Status: $status"
   return 1 # We are a replica
 }