Sporadic set logging added

server/prisma/schema.prisma

@@ -25,6 +25,7 @@ model User {
   exercises    Exercise[]
   plans        WorkoutPlan[]
   weightRecords BodyWeightRecord[]
+  sporadicSets SporadicSet[]
 }
 
 model BodyWeightRecord {
@@ -59,6 +60,7 @@ model Exercise {
   isArchived           Boolean  @default(false)
   
   sets                 WorkoutSet[]
+  sporadicSets         SporadicSet[]
 }
 
 model WorkoutSession {
@@ -100,3 +102,23 @@ model WorkoutPlan {
   createdAt   DateTime @default(now())
   updatedAt   DateTime @updatedAt
 }
+
+model SporadicSet {
+  id                   String   @id @default(uuid())
+  userId               String
+  user                 User     @relation(fields: [userId], references: [id], onDelete: Cascade)
+  exerciseId           String
+  exercise             Exercise @relation(fields: [exerciseId], references: [id])
+  
+  weight               Float?
+  reps                 Int?
+  distanceMeters       Float?
+  durationSeconds      Int?
+  height               Float?
+  bodyWeightPercentage Float?
+  
+  timestamp            DateTime @default(now())
+  note                 String?
+  
+  @@index([userId, timestamp])
+}