Method build_session_transcript

crates/opencode-tui/src/app/app.rs:2149–2181

(&self, session_id: &str)

    }

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

        let mut output = String::new();
        output.push_str(&format!("# {}\n\n", session.title));
        output.push_str(&format!("Session ID: `{}`\n", session.id));
        output.push_str(&format!("Created: {}\n", session.created_at.to_rfc3339()));
        output.push_str(&format!("Updated: {}\n\n", session.updated_at.to_rfc3339()));

        if messages.is_empty() {
            output.push_str("_No messages_\n");
            return Some(output);
        }

        for message in messages {
            let role = match message.role {
                MessageRole::User => "User",
                MessageRole::Assistant => "Assistant",
                MessageRole::System => "System",
            };
            output.push_str(&format!("## {}\n\n", role));
            if message.content.trim().is_empty() {
                output.push_str("_Empty message_\n\n");
            } else {
                output.push_str(&message.content);
                output.push_str("\n\n");
            }
        }

        Some(output)
    }

    fn export_session_to_file(&self, session_id: &str, filename: &str) -> anyhow::Result<PathBuf> {
        let transcript = self.build_session_transcript(session_id).ok_or_else(|| {