feat(frontend): Allow duplicate progress steps to support cyclical worker loops and retries

frontend/src/services/chat.ts

@@ -185,9 +185,11 @@ export const ChatService = {
         const lastMsg = { ...newMessages[lastMsgIndex] }
 
         if (lastMsg && lastMsg.role === "assistant") {
-          // Avoid duplicate start messages
-          if (!(lastMsg.steps || []).includes(startStatusMap[name])) {
-            lastMsg.steps = [...(lastMsg.steps || []), startStatusMap[name]]
+          const currentSteps = lastMsg.steps || []
+          // Allow duplicate steps if it's a retry (cycle), 
+          // but avoid spamming the same active step multiple times in a row
+          if (currentSteps[currentSteps.length - 1] !== startStatusMap[name]) {
+            lastMsg.steps = [...currentSteps, startStatusMap[name]]
             newMessages[lastMsgIndex] = lastMsg
             return newMessages
           }