Open summary sheet: user clicked the 'create summary' option on the share sheet. This starts the summary sharing flow. Dismiss/Close summary sheet while initializing: user dismissed or closed the summary sheet before text started to load. This finishes the summary sharing flow. Dismiss/Close summary sheet while loading: user dismissed or closed the summary sheet while text was loading. This finishes the summary sharing flow. Dismiss/Close summary sheet on error: user dismissed or closed the summary sheet after loading failed. This finishes the summary sharing flow. Dismiss/Close summary sheet on success: user dismissed or closed the summary sheet after loading succeeded. This finishes the summary sharing flow. Add summary: user clicked the 'add summary' button on the summary sheet, share sheet will be re-opened with the summary attached. This finishes the summary sharing flow. Remove summary: user clicked the 'remove summary' option on the share sheet. This is only available after the user opened the summary sheet and then clicked 'add summary' on it. This will re-open the share sheet without the summary. Provide positive feedback: user clicked the 'thumbs up' button on the summary sheet. Provide negative feedback: user clicked the 'thumbs down' button on the summary sheet. This will open another sheet with negative feedback types. Negative feedback type selected: user clicked 'submit' on the negative feedback sheet. This will open the system feedback UI and finish the summary sharing flow. Negative feedback sheet dismissed: user clicked 'cancel' or dismissed the negative feedback sheet. This will re-open the summary sheet. Learn more clicked: user clicked 'learn more' link, which opens a help center article.