Method resumeTaskFromHistory

src/core/task/Task.ts:1943–2174

()

	}

	private async resumeTaskFromHistory() {
		try {
			const modifiedClineMessages = await this.getSavedClineMessages()

			// Remove any resume messages that may have been added before.
			const lastRelevantMessageIndex = findLastIndex(
				modifiedClineMessages,
				(m) => !(m.ask === "resume_task" || m.ask === "resume_completed_task"),
			)

			if (lastRelevantMessageIndex !== -1) {
				modifiedClineMessages.splice(lastRelevantMessageIndex + 1)
			}

			// Remove any trailing reasoning-only UI messages that were not part of the persisted API conversation
			while (modifiedClineMessages.length > 0) {
				const last = modifiedClineMessages[modifiedClineMessages.length - 1]
				if (last.type === "say" && last.say === "reasoning") {
					modifiedClineMessages.pop()
				} else {
					break
				}
			}

			// Since we don't use `api_req_finished` anymore, we need to check if the
			// last `api_req_started` has a cost value, if it doesn't and no
			// cancellation reason to present, then we remove it since it indicates
			// an api request without any partial content streamed.
			const lastApiReqStartedIndex = findLastIndex(
				modifiedClineMessages,
				(m) => m.type === "say" && m.say === "api_req_started",
			)

			if (lastApiReqStartedIndex !== -1) {
				const lastApiReqStarted = modifiedClineMessages[lastApiReqStartedIndex]
				const { cost, cancelReason }: ClineApiReqInfo = JSON.parse(lastApiReqStarted.text || "{}")

				if (cost === undefined && cancelReason === undefined) {
					modifiedClineMessages.splice(lastApiReqStartedIndex, 1)
				}
			}

			await this.overwriteClineMessages(modifiedClineMessages)
			this.clineMessages = await this.getSavedClineMessages()

			// Now present the cline messages to the user and ask if they want to
			// resume (NOTE: we ran into a bug before where the
			// apiConversationHistory wouldn't be initialized when opening a old
			// task, and it was because we were waiting for resume).
			// This is important in case the user deletes messages without resuming
			// the task first.
			this.apiConversationHistory = await this.getSavedApiConversationHistory()

			const lastClineMessage = this.clineMessages
				.slice()
				.reverse()
				.find((m) => !(m.ask === "resume_task" || m.ask === "resume_completed_task")) // Could be multiple resume tasks.