Method mark_running

src/context/task_storage.rs:389–408

Transition a task to Running status, setting `started_at` to now.

(
        &self,
        id: &str,
    )

    /// Transition a task to Running status, setting `started_at` to now.
    pub async fn mark_running(
        &self,
        id: &str,
    ) -> Result<Task, Box<dyn std::error::Error + Send + Sync>> {
        let conn = Arc::clone(&self.conn);
        let id = id.to_string();
        tokio::task::spawn_blocking(move || {
            let conn = conn.lock().map_err(|e| format!("Lock error: {e}"))?;
            let now = chrono::Utc::now().to_rfc3339();
            let rows_affected = conn.execute(
                "UPDATE tasks SET status = 'RUNNING', started_at = ?1 WHERE id = ?2",
                rusqlite::params![now, id],
            )?;
            if rows_affected == 0 {
                return Err("Task not found".into());
            }
            read_task_by_id(&conn, &id)
        })
        .await?
    }

    /// Transition a task to Complete status, setting `completed_at` to now and `branch_name`.
    ///