refactor: extract reconcileConfirmedPrompt into dedicated module

Author: chriswritescode-dev

frontend/src/hooks/useOpenCode.ts

@@ -14,6 +14,7 @@ import { showToast } from "../lib/toast";
 import { useSendErrorStore } from "../stores/sendErrorStore";
 import { useSessionStatus } from "../stores/sessionStatusStore";
 import { invalidateSessionListCaches, messagesQueryKey } from "../lib/queryInvalidation";
+import { reconcileConfirmedPrompt } from "../lib/sendErrorReconcile";
 
 type AssistantMessage = components["schemas"]["AssistantMessage"];
 
@@ -156,34 +157,6 @@ export const useMessages = (opcodeUrl: string | null | undefined, sessionID: str
   });
 };
 
-const getUserMessageText = (message: MessageWithParts) => {
-  if (message.info.role !== 'user') return ''
-  return message.parts
-    .map((part) => part.type === 'text' ? part.text || '' : '')
-    .join('')
-    .trim()
-}
-
-const hasUserMessageText = (messages: MessageWithParts[], prompt: string) => {
-  const expected = prompt.trim()
-  if (!expected) return false
-  return messages.some((message) => getUserMessageText(message) === expected)
-}
-
-const reconcileConfirmedPrompt = (sessionID: string, messages: MessageWithParts[]) => {
-  const sendErrorStore = useSendErrorStore.getState()
-  const sendError = sendErrorStore.getError(sessionID)
-  const queuedPrompt = sendErrorStore.queuedPrompts[sessionID]
-
-  if (sendError?.kind === 'network' && sendError.failedPrompt && hasUserMessageText(messages, sendError.failedPrompt)) {
-    sendErrorStore.clearNetworkError(sessionID)
-  }
-
-  if (queuedPrompt && hasUserMessageText(messages, queuedPrompt)) {
-    sendErrorStore.clearQueuedPrompt(sessionID)
-  }
-}
-
 export const useCreateSession = (
   opcodeUrl: string | null | undefined,
   directory?: string,

frontend/src/lib/sendErrorReconcile.ts

@@ -0,0 +1,39 @@
+import type { MessageWithParts } from '../api/types'
+import { useSendErrorStore } from '../stores/sendErrorStore'
+
+const getUserMessageText = (message: MessageWithParts): string => {
+  if (message.info.role !== 'user') return ''
+  return message.parts
+    .map((part) => (part.type === 'text' ? part.text || '' : ''))
+    .join('')
+    .trim()
+}
+
+const hasUserMessageText = (messages: MessageWithParts[], prompt: string): boolean => {
+  const expected = prompt.trim()
+  if (!expected) return false
+  return messages.some((message) => getUserMessageText(message) === expected)
+}
+
+/**
+ * Strict backstop for clearing stale send state when a prompt is confirmed delivered.
+ *
+ * The SSE `message.updated` handler is the realtime authority and clears send errors
+ * unconditionally because it only receives message metadata (text parts stream in
+ * separately). This helper runs against a fully fetched message list — where text parts
+ * are present — and clears only when the failed/queued prompt text actually appears,
+ * recovering sessions whose confirming SSE events were missed (e.g. backgrounded tab).
+ */
+export const reconcileConfirmedPrompt = (sessionID: string, messages: MessageWithParts[]): void => {
+  const sendErrorStore = useSendErrorStore.getState()
+  const sendError = sendErrorStore.getError(sessionID)
+  const queuedPrompt = sendErrorStore.queuedPrompts[sessionID]
+
+  if (sendError?.kind === 'network' && sendError.failedPrompt && hasUserMessageText(messages, sendError.failedPrompt)) {
+    sendErrorStore.clearNetworkError(sessionID)
+  }
+
+  if (queuedPrompt && hasUserMessageText(messages, queuedPrompt)) {
+    sendErrorStore.clearQueuedPrompt(sessionID)
+  }
+}