chore: import Local-Cursor v1.1.8 source snapshot

Includes the current working directory changes. Historical commits and release binaries are excluded to limit Gitea storage.
Source base: d7515973fbfd6dd2001fa156c483455b8081c7cb

internal/backend/forwarder/state_loaders.go

@@ -0,0 +1,37 @@
+package forwarder
+
+type latestSummaryState struct {
+	RuntimeSnapshot *ConversationFile
+}
+
+func (service *Service) loadLatestSummaryState(conversationID string) (*latestSummaryState, bool, error) {
+	if service == nil || service.store == nil {
+		return nil, false, nil
+	}
+	conversation, err := service.store.LoadConversation(conversationID)
+	if err != nil || conversation == nil {
+		return nil, false, err
+	}
+	return &latestSummaryState{RuntimeSnapshot: conversation}, true, nil
+}
+
+func (service *Service) loadLatestCarryForwardReplay(_ string) ([][]byte, bool, error) {
+	return nil, false, nil
+}
+
+func (service *Service) loadLatestSummaryPromptTokens(conversationID string) (int64, bool, error) {
+	if service == nil || service.store == nil {
+		return 0, false, nil
+	}
+	conversation, err := service.store.LoadConversation(conversationID)
+	if err != nil || conversation == nil {
+		return 0, false, err
+	}
+	if conversation.AutoCompactionPromptTokens > 0 {
+		return conversation.AutoCompactionPromptTokens, true, nil
+	}
+	if conversation.TokenDetailsUsedTokens > 0 {
+		return int64(conversation.TokenDetailsUsedTokens), true, nil
+	}
+	return 0, false, nil
+}