fix: support both flat and nested LiteFS status JSON and add robust type checking

entrypoint.sh

@@ -16,11 +16,11 @@ NAVIDROME_PID=0
 # Check if this node is the LiteFS Primary
 check_primary() {
   # Use the local LiteFS API to get the most accurate status
-  # LiteFS 0.5 status is nested under the 'info' object
-  local status=$(curl -s http://localhost:20202/status || echo '{"info": {}}')
+  local status=$(curl -s http://localhost:20202/status || echo "{}")
   
-  # Ensure we have valid JSON and extract isPrimary
-  local is_primary=$(echo "$status" | jq -r '.info.isPrimary // false' 2>/dev/null || echo "false")
+  # Support both LiteFS 0.5 (flat) and potential future/other versions (nested)
+  # We use jq to find the first truthy isPrimary value
+  local is_primary=$(echo "$status" | jq -r 'if type == "object" then (.isPrimary // .info.isPrimary // false) else false end' 2>/dev/null || echo "false")
   
   if [ "$is_primary" = "true" ]; then
     return 0 # We are the primary
@@ -34,9 +34,10 @@ wait_for_litefs() {
   local timeout=60
   local count=0
   while [ $count -lt $timeout ]; do
-    local status=$(curl -s http://localhost:20202/status || echo '{"info": {}}')
-    # If info.isPrimary is not null, LiteFS has determined its role
-    local is_primary_val=$(echo "$status" | jq -r '.info.isPrimary // "null"' 2>/dev/null || echo "null")
+    local status=$(curl -s http://localhost:20202/status || echo "null")
+    
+    # Check if we got a valid JSON object with a definitive isPrimary status
+    local is_primary_val=$(echo "$status" | jq -r 'if type == "object" then (.isPrimary // .info.isPrimary // "null") else "null" end' 2>/dev/null || echo "null")
     
     if [ "$is_primary_val" != "null" ]; then
       local role="replica"