Method handle_fork_session

crates/opencode-tui/src/app/app.rs:2111–2147

(&mut self)

    }

    fn handle_fork_session(&mut self) {
        let Some(session_id) = self.current_session_id() else {
            self.alert_dialog.set_message("No active session to fork.");
            self.alert_dialog.open();
            return;
        };
        let session_ctx = self.context.session.read();
        let entries = session_ctx
            .messages
            .get(&session_id)
            .map(|msgs| {
                msgs.iter()
                    .map(|m| {
                        let role = match m.role {
                            MessageRole::User => "user",
                            MessageRole::Assistant => "assistant",
                            MessageRole::System => "system",
                        };
                        let preview = m
                            .content
                            .chars()
                            .take(60)
                            .collect::<String>()
                            .replace('\n', " ");
                        ForkEntry {
                            message_id: m.id.clone(),
                            role: role.to_string(),
                            preview,
                            timestamp: m.created_at.format("%H:%M:%S").to_string(),
                        }
                    })
                    .collect::<Vec<_>>()
            })
            .unwrap_or_default();
        drop(session_ctx);
        self.fork_dialog.open(session_id, entries);
    }

    fn build_session_transcript(&self, session_id: &str) -> Option<String> {
        let session_ctx = self.context.session.read();