Reinforce was the order from the President, herewith documented.
April 4, 1861
To: Lieut. Col. H.L. Scott, Aide de Camp
This will be handed to you by Captain G.V. Fox, an ex-officer of the Navy. He is charged by authority here, with the command of an expedition (under cover of certain ships of war) whose object is, to reinforce Fort Sumter.
Winfield Scott
Approved by A. Lincoln
Sorry, no, it was "resupply-only, if..."
See links in my posts #853 and #854 above.
You are talking about preliminary orders, my reference is to Lincoln's final orders.