Short answers, pulled from the story.
The Army of the Interior was the name given to two separate field armies of the French Revolutionary Army. The first was formed on the 4th of September 1792 and eventually became the Army of the West in October 1793. The second was raised on the 12th of July 1795 to maintain order in Paris and its region, and was disbanded by decree on the 25th of August 1796.
The second Army of the Interior was first commanded by Jacques-François Menou, previously commander of the 17th military division of Paris. He was replaced on the 5th of October 1795 by Paul Barras, who had Napoleon Bonaparte as his second in command. Bonaparte took over full command on the 26th of October 1795.
Napoleon Bonaparte served first as second in command under Paul Barras from the 5th of October 1795, and then as commander from the 26th of October 1795. He held that command until he was assigned to lead the Army of Italy on the 2nd of March 1796, departing on the 10th of March with Jacques Maurice Hatry replacing him.
The first Army of the Interior was reorganised multiple times, becoming the armée de Réserve on the 1st of March 1793 and then the armée des côtes de la Rochelle on the 30th of April 1793. On the 2nd of October 1793, the French Convention decreed its merger with the army of Mayence to form the Army of the West.
Anne François Augustin de La Bourdonnaye commanded the first formation from its creation on the 4th of September 1792 until the 22nd of September that year. Général Berruyer succeeded him after the army was reorganised on the 21st of October 1792.
The second Army of the Interior was disbanded by decree on the 25th of August 1796, with the dissolution taking effect on the 22nd of September 1796.