modified how sets are intereted in the frontend, they still get inserted the same way in the back so no DB changes needed

frontend/src/pages/Workouts.tsx

@@ -16,9 +16,9 @@ import { Input } from "@/components/ui/input";
 import { Label } from "@/components/ui/label";
 import { Card, CardHeader, CardTitle, CardContent } from "@/components/ui/card";
 
-interface SetForm {
+interface ExerciseRow {
   exercise_id: number;
-  set_number: number;
+  sets: string;
   reps: string;
   weight_lbs: string;
   duration_min: string;
@@ -30,7 +30,7 @@ export default function Workouts() {
   const [date, setDate] = useState(today());
   const [name, setName] = useState("");
   const [wNotes, setWNotes] = useState("");
-  const [sets, setSets] = useState<SetForm[]>([]);
+  const [rows, setRows] = useState<ExerciseRow[]>([]);
   const [newExName, setNewExName] = useState("");
   const [newExCategory, setNewExCategory] = useState("");
   const [showNewExercise, setShowNewExercise] = useState(false);
@@ -44,12 +44,12 @@ export default function Workouts() {
     load();
   }, []);
 
-  const addSet = () => {
-    setSets([
-      ...sets,
+  const addRow = () => {
+    setRows([
+      ...rows,
       {
         exercise_id: exercises[0]?.id || 0,
-        set_number: sets.length + 1,
+        sets: "3",
         reps: "",
         weight_lbs: "",
         duration_min: "",
@@ -57,34 +57,42 @@ export default function Workouts() {
     ]);
   };
 
-  const updateSet = (i: number, field: keyof SetForm, value: string | number) => {
-    const next = [...sets];
+  const updateRow = (i: number, field: keyof ExerciseRow, value: string | number) => {
+    const next = [...rows];
     (next[i] as any)[field] = value;
-    next[i].set_number = i + 1;
-    setSets(next);
+    setRows(next);
   };
 
-  const removeSet = (i: number) => {
-    setSets(sets.filter((_, idx) => idx !== i).map((s, idx) => ({ ...s, set_number: idx + 1 })));
+  const removeRow = (i: number) => {
+    setRows(rows.filter((_, idx) => idx !== i));
   };
 
   const handleSubmit = async (e: React.FormEvent) => {
     e.preventDefault();
+    // Expand each row into individual sets
+    const allSets: { exercise_id: number; set_number: number; reps: number | null; weight_lbs: number | null; duration_min: number | null }[] = [];
+    let setNum = 1;
+    for (const row of rows) {
+      const numSets = parseInt(row.sets) || 1;
+      for (let s = 0; s < numSets; s++) {
+        allSets.push({
+          exercise_id: row.exercise_id,
+          set_number: setNum++,
+          reps: row.reps ? parseInt(row.reps) : null,
+          weight_lbs: row.weight_lbs ? parseFloat(row.weight_lbs) : null,
+          duration_min: row.duration_min ? parseFloat(row.duration_min) : null,
+        });
+      }
+    }
     await api.post("/workouts", {
       date,
       name: name || null,
       notes: wNotes || null,
-      sets: sets.map((s) => ({
-        exercise_id: s.exercise_id,
-        set_number: s.set_number,
-        reps: s.reps ? parseInt(s.reps) : null,
-        weight_lbs: s.weight_lbs ? parseFloat(s.weight_lbs) : null,
-        duration_min: s.duration_min ? parseFloat(s.duration_min) : null,
-      })),
+      sets: allSets,
     });
     setName("");
     setWNotes("");
-    setSets([]);
+    setRows([]);
     load();
   };
 
@@ -132,30 +140,44 @@ export default function Workouts() {
 
               <div className="space-y-2">
                 <div className="flex items-center justify-between">
-                  <Label>Sets</Label>
-                  <Button type="button" variant="ghost" size="sm" onClick={addSet} disabled={exercises.length === 0}>
-                    <Plus className="h-4 w-4 mr-1" /> Add Set
+                  <Label>Exercises</Label>
+                  <Button type="button" variant="ghost" size="sm" onClick={addRow} disabled={exercises.length === 0}>
+                    <Plus className="h-4 w-4 mr-1" /> Add Exercise
                   </Button>
                 </div>
                 {exercises.length === 0 && (
                   <p className="text-xs text-muted-foreground">Create an exercise first</p>
                 )}
-                {sets.map((s, i) => (
-                  <div key={i} className="flex gap-2 items-end">
-                    <select
-                      className="flex h-9 w-full rounded-md border border-input bg-transparent px-2 text-sm"
-                      value={s.exercise_id}
-                      onChange={(e) => updateSet(i, "exercise_id", parseInt(e.target.value))}
-                    >
-                      {exercises.map((ex) => (
-                        <option key={ex.id} value={ex.id}>{ex.name}</option>
-                      ))}
-                    </select>
-                    <Input className="w-16" placeholder="Reps" value={s.reps} onChange={(e) => updateSet(i, "reps", e.target.value)} />
-                    <Input className="w-20" placeholder="Wt (lbs)" value={s.weight_lbs} onChange={(e) => updateSet(i, "weight_lbs", e.target.value)} />
-                    <Button type="button" variant="ghost" size="icon" onClick={() => removeSet(i)}>
-                      <Trash2 className="h-3 w-3" />
-                    </Button>
+                {rows.map((r, i) => (
+                  <div key={i} className="space-y-2 border rounded-md p-2">
+                    <div className="flex gap-2 items-center">
+                      <select
+                        className="flex h-9 w-full rounded-md border border-input bg-transparent px-2 text-sm"
+                        value={r.exercise_id}
+                        onChange={(e) => updateRow(i, "exercise_id", parseInt(e.target.value))}
+                      >
+                        {exercises.map((ex) => (
+                          <option key={ex.id} value={ex.id}>{ex.name}</option>
+                        ))}
+                      </select>
+                      <Button type="button" variant="ghost" size="icon" onClick={() => removeRow(i)}>
+                        <Trash2 className="h-3 w-3" />
+                      </Button>
+                    </div>
+                    <div className="flex gap-2">
+                      <div className="flex-1">
+                        <Label className="text-xs text-muted-foreground">Sets</Label>
+                        <Input type="number" min="1" value={r.sets} onChange={(e) => updateRow(i, "sets", e.target.value)} />
+                      </div>
+                      <div className="flex-1">
+                        <Label className="text-xs text-muted-foreground">Reps</Label>
+                        <Input type="number" value={r.reps} onChange={(e) => updateRow(i, "reps", e.target.value)} />
+                      </div>
+                      <div className="flex-1">
+                        <Label className="text-xs text-muted-foreground">Weight</Label>
+                        <Input type="number" step="0.1" value={r.weight_lbs} onChange={(e) => updateRow(i, "weight_lbs", e.target.value)} placeholder="lbs" />
+                      </div>
+                    </div>
                   </div>
                 ))}
               </div>