Add network error retry to summarization

src/lib/ChatRequest.svelte

@@ -3,7 +3,7 @@
     import { mergeProfileFields, prepareSummaryPrompt } from './Profiles.svelte'
     import { countMessageTokens, countPromptTokens, getModelMaxTokens } from './Stats.svelte'
     import type { Chat, ChatCompletionOpts, ChatSettings, Message, Model, Request, RequestImageGeneration } from './Types.svelte'
-    import { deleteMessage, getChatSettingValueNullDefault, insertMessages, getApiKey, addError, currentChatMessages, getMessages, updateMessages } from './Storage.svelte'
+    import { deleteMessage, getChatSettingValueNullDefault, insertMessages, getApiKey, addError, currentChatMessages, getMessages, updateMessages, deleteSummaryMessage } from './Storage.svelte'
     import { scrollToBottom, scrollToMessage } from './Util.svelte'
     import { getRequestSettingList, defaultModel } from './Settings.svelte'
     import { EventStreamContentType, fetchEventSource } from '@microsoft/fetch-event-source'
@@ -418,7 +418,9 @@ export class ChatRequest {
           const summarizedIds = rw.map(m => m.uuid)
           const summaryIds = [summaryResponse.uuid]
           let loopCount = 0
+          let networkRetry = 2 // number of retries on network error
           while (continueCounter-- > 0) {
+            let error = false
             try {
               const summary = await _this.sendRequest(top.concat(rw).concat([summaryRequest]).concat(loopCount > 0 ? [summaryResponse] : []), {
                 summaryRequest: true,
@@ -445,10 +447,21 @@ export class ChatRequest {
                 deleteMessage(chatId, srid)
                 return summary
               }
+            } catch (e) {
+              if (e.message?.includes('network error') && networkRetry > 0) {
+                networkRetry--
+                error = true
+              } else {
+                _this.updating = false
+                _this.updatingMessage = ''
+                deleteSummaryMessage(chatId, srid)
+                throw e
+              }
+            }
             // Looks like we got our summarized messages.
             // Mark the new summaries as such
             // Need more?
-              if (summaryResponse.finish_reason === 'length' && continueCounter > 0) {
+            if ((error || summaryResponse.finish_reason === 'length') && continueCounter > 0) {
               // Our summary was truncated
               // Try to get more of it
               delete summaryResponse.finish_reason
@@ -464,12 +477,6 @@ export class ChatRequest {
               // We're done
               continueCounter = 0
             }
-            } catch (e) {
-              _this.updating = false
-              _this.updatingMessage = ''
-              deleteMessage(chatId, srid)
-              throw e
-            }
           }
           summaryResponse.summary = summarizedIds
           // Disable the messages we summarized so they still show in history