Group 1 - The core viewpoint of the articles highlights the innovative "full-chain, embedded" tracking audit model established by the Rongcheng City Audit Bureau, which significantly enhances public investment performance and supports high-quality economic development [1][2] Group 2 - The audit model includes four-dimensional mechanisms: on-site tracking supervision, dynamic problem early warning, closed-loop rectification implementation, and precise fund control, ensuring effective monitoring of construction projects [1] - On-site supervision emphasizes strict control to ensure project compliance, utilizing diverse audit methods such as real-time monitoring, field inspections, and engineering measurements to support settlement audits and prevent disputes [1] - A rapid response mechanism is established to issue audit opinion letters promptly during on-site tracking, ensuring timely attention and effective rectification of identified issues [2] Group 3 - The implementation of a problem tracking ledger and closed-loop management enhances project investment efficiency, with regular follow-ups and special inspections to ensure the effectiveness of rectification measures [2] - Emphasis on financial safety through meticulous management of government investment projects, ensuring that every penny of fiscal funds is effectively utilized and preventing waste [2]