//! Desktop notification coalescing for `ChatWidget`.use super::*;impl ChatWidget {    pub(super) fn notify(&mut self, notification: Notification) {        if !notification.allowed_for(&self.config.tui_notifications.notifications) {            return;        }        if let Some(existing) = self.pending_notification.as_ref()            && existing.priority() > notification.priority()        {            return;        }        self.pending_notification = Some(notification);        self.request_redraw();    }    pub(crate) fn maybe_post_pending_notification(&mut self, tui: &mut crate::tui::Tui) {        if let Some(notif) = self.pending_notification.take() {            tui.notify(notif.display());        }    }}#[derive(Debug)]pub(super) enum Notification {    AgentTurnComplete { response: String },    ExecApprovalRequested { command: String },    EditApprovalRequested { cwd: PathBuf, changes: Vec<PathBuf> },    ElicitationRequested { server_name: String },    PlanModePrompt { title: String },}impl Notification {    pub(super) fn display(&self) -> String {        match self {            Notification::AgentTurnComplete { response } => {                Notification::agent_turn_preview(response)                    .unwrap_or_else(|| "Agent turn complete".to_string())            }            Notification::ExecApprovalRequested { command } => {                format!(                    "Approval requested: {}",                    truncate_text(command, /*max_graphemes*/ 30)                )            }            Notification::EditApprovalRequested { cwd, changes } => {                format!(                    "Codex wants to edit {}",                    if changes.len() == 1 {                        #[allow(clippy::unwrap_used)]                        display_path_for(changes.first().unwrap(), cwd)                    } else {                        format!("{} files", changes.len())                    }                )            }            Notification::ElicitationRequested { server_name } => {                format!("Approval requested by {server_name}")            }            Notification::PlanModePrompt { title } => {                format!("Plan mode prompt: {title}")            }        }    }    fn type_name(&self) -> &str {        match self {            Notification::AgentTurnComplete { .. } => "agent-turn-complete",            Notification::ExecApprovalRequested { .. }            | Notification::EditApprovalRequested { .. }            | Notification::ElicitationRequested { .. } => "approval-requested",            Notification::PlanModePrompt { .. } => "plan-mode-prompt",        }    }    fn priority(&self) -> u8 {        match self {            Notification::AgentTurnComplete { .. } => 0,            Notification::ExecApprovalRequested { .. }            | Notification::EditApprovalRequested { .. }            | Notification::ElicitationRequested { .. }            | Notification::PlanModePrompt { .. } => 1,        }    }    pub(super) fn allowed_for(&self, settings: &Notifications) -> bool {        match settings {            Notifications::Enabled(enabled) => *enabled,            Notifications::Custom(allowed) => allowed.iter().any(|a| a == self.type_name()),        }    }    pub(super) fn agent_turn_preview(response: &str) -> Option<String> {        let mut normalized = String::new();        for part in response.split_whitespace() {            if !normalized.is_empty() {                normalized.push(' ');            }            normalized.push_str(part);        }        let trimmed = normalized.trim();        if trimmed.is_empty() {            None        } else {            Some(truncate_text(trimmed, AGENT_NOTIFICATION_PREVIEW_GRAPHEMES))        }    }    pub(super) fn user_input_request_summary(        questions: &[codex_app_server_protocol::ToolRequestUserInputQuestion],    ) -> Option<String> {        let first_question = questions.first()?;        let summary = if first_question.header.trim().is_empty() {            first_question.question.trim()        } else {            first_question.header.trim()        };        if summary.is_empty() {            None        } else {            Some(truncate_text(summary, /*max_graphemes*/ 30))        }    }}const AGENT_NOTIFICATION_PREVIEW_GRAPHEMES: usize = 200;