Fixed being able to insert infinitely many components into a shell. Fixes being able to view the shell's circuit in a locked shell. (#59962)

code/datums/components/shell.dm

@@ -101,12 +101,12 @@
 		return
 
 	if(attached_circuit?.owner_id && item == attached_circuit.owner_id.resolve())
-		locked = !locked
+		set_locked(!locked)
 		source.balloon_alert(attacker, "[locked? "locked" : "unlocked"] [source]")
 		return COMPONENT_NO_AFTERATTACK
 
 	if(attached_circuit && istype(item, /obj/item/circuit_component))
-		attached_circuit.add_component(item, attacker)
+		attached_circuit.add_component_manually(item, attacker)
 		return
 
 	if(!istype(item, /obj/item/integrated_circuit))
@@ -128,6 +128,12 @@
 	logic_board.inserter_mind = WEAKREF(attacker.mind)
 	attach_circuit(logic_board, attacker)
 
+/// Sets whether the shell is locked or not
+/datum/component/shell/proc/set_locked(new_value)
+	locked = new_value
+	attached_circuit?.locked = locked
+
+
 /datum/component/shell/proc/on_multitool_act(atom/source, mob/user, obj/item/tool)
 	SIGNAL_HANDLER
 	if(!attached_circuit)
@@ -201,6 +207,7 @@
 		attached_circuit.add_component(to_add)
 	RegisterSignal(circuitboard, COMSIG_CIRCUIT_ADD_COMPONENT_MANUALLY, .proc/on_circuit_add_component_manually)
 	attached_circuit.set_shell(parent)
+	attached_circuit.locked = FALSE
 
 	if(shell_flags & SHELL_FLAG_REQUIRE_ANCHOR)
 		var/atom/movable/parent_atom = parent
@@ -224,6 +231,7 @@
 	for(var/obj/item/circuit_component/to_remove as anything in unremovable_circuit_components)
 		attached_circuit.remove_component(to_remove)
 		to_remove.moveToNullspace()
+	attached_circuit.locked = FALSE
 	attached_circuit = null
 
 /datum/component/shell/proc/on_atom_usb_cable_try_attach(atom/source, obj/item/usb_cable/usb_cable, mob/user)

code/modules/wiremod/integrated_circuit.dm

@@ -29,6 +29,9 @@
 	/// Whether the integrated circuit is on or not. Handled by the shell.
 	var/on = FALSE
 
+	/// Whether the integrated circuit is locked or not. Handled by the shell.
+	var/locked = FALSE
+
 	/// The ID that is authorized to unlock/lock the shell so that the circuit can/cannot be removed.
 	var/datum/weakref/owner_id
 
@@ -262,6 +265,11 @@
 		return shell
 	return ..()
 
+/obj/item/integrated_circuit/can_interact(mob/user)
+	if(locked)
+		return FALSE
+	return ..()
+
 /obj/item/integrated_circuit/ui_state(mob/user)
 	if(!shell)
 		return GLOB.hands_state