We pray for your tawfiq, the books listed below are ones that contain mustahabb daily acts:
1- Miftāḥ al-Falāḥ, by Sheikh Baha’i.
2- Falāḥ al-Sā’il, by Seyed b. Tawus.
3- al-Murāqabāt, by Mirza Jawad Agha Maliki Tabrizi.
4- Mafātīh al-Jinān, by Sheikh Abbas Qummi.
5- Sunan al-Nabī, by Allamah Seyed Muhammad Husayn Tabatabai.
Also, the Nur al-Jinan software of the CRCIS (Computer Research Center of Islamic Studies) has a section on daily mustahabb acts, you can refer there also.