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src/LLMOrbiter.js

@@ -200,16 +200,23 @@ class LLMOrbiter {
 
             const toolCalls = completion.tool_calls;
             const content = completion.content;
+            const hasToolCalls = Array.isArray(toolCalls) && toolCalls.length > 0;
+            const hasContent = typeof content === 'string' && content.trim().length > 0;
+
+            // When there is no response (neither tool calls nor content), the loop shall continue.
+            if (!hasToolCalls && !hasContent) {
+                continue;
+            }
 
             // Push assistant message
             messages.push({
                 role: 'assistant',
                 content: content || null,
-                ...(toolCalls?.length ? { tool_calls: toolCalls } : {}),
+                ...(hasToolCalls ? { tool_calls: toolCalls } : {}),
             });
 
             // No tool calls → done
-            if (!toolCalls?.length) {
+            if (!hasToolCalls) {
                 finalContent = content;
                 break;
             }