frontend changes: change shift order display, added config map

frontend/src/components/DayColumn.jsx

@@ -7,6 +7,8 @@ export default function DayColumn({
   isToday,
   activeShifts = new Set(),
   shifts = {},
+  nextDayShift1 = [],
+  nextDayShift1Active = false,
   showShift2 = false,
   windowLookup = new Map(),
   onWindowSelect,
@@ -39,14 +41,6 @@ export default function DayColumn({
 
       {/* Shifts */}
       <div className="flex flex-col flex-1 px-0.5 py-1">
-        <ShiftSlot
-          label="12AM–9AM"
-          tests={shifts.shift1}
-          visible={true}
-          active={activeShifts.has(1)}
-          windowDetails={getWindowForShift(1)}
-          onWindowSelect={onWindowSelect}
-        />
         <ShiftSlot
           label="9AM–5PM"
           tests={shifts.shift2}
@@ -63,6 +57,14 @@ export default function DayColumn({
           windowDetails={getWindowForShift(3)}
           onWindowSelect={onWindowSelect}
         />
+        <ShiftSlot
+          label="12AM–9AM (next day)"
+          tests={nextDayShift1}
+          visible={true}
+          active={nextDayShift1Active}
+          windowDetails={null}
+          onWindowSelect={onWindowSelect}
+        />
       </div>
     </div>
   )