fix(home,onboarding): correct navigation and state handling

app/src/main/java/com/couplesconnect/app/ui/home/HomeScreen.kt

@@ -1,5 +1,12 @@
 package com.couplesconnect.app.ui.home
 
+import androidx.compose.animation.core.FastOutSlowInEasing
+import androidx.compose.animation.core.LinearEasing
+import androidx.compose.animation.core.RepeatMode
+import androidx.compose.animation.core.animateFloat
+import androidx.compose.animation.core.infiniteRepeatable
+import androidx.compose.animation.core.rememberInfiniteTransition
+import androidx.compose.animation.core.tween
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
@@ -12,15 +19,18 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.safeDrawingPadding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Add
 import androidx.compose.material.icons.filled.Favorite
 import androidx.compose.material3.Button
 import androidx.compose.material3.ButtonDefaults
 import androidx.compose.material3.Card
 import androidx.compose.material3.CardDefaults
 import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.FloatingActionButton
 import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.OutlinedButton
@@ -31,6 +41,7 @@ import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.scale
 import androidx.compose.ui.geometry.Offset
 import androidx.compose.ui.graphics.Brush
 import androidx.compose.ui.graphics.Color
@@ -102,10 +113,6 @@ private fun HomeContent(
                 streakCount = state.streakCount
             )
 
-            if (!state.isPaired && !state.isLoading) {
-                InvitePartnerCard(onInvite = onInvite)
-            }
-
             when {
                 state.isLoading -> LoadingHomeCard()
                 state.error != null -> ErrorHomeCard(message = state.error, onRefresh = onRefresh)
@@ -133,6 +140,16 @@ private fun HomeContent(
                 }
             }
         }
+
+        if (!state.isPaired && !state.isLoading) {
+            PulsingInviteFab(
+                onClick = onInvite,
+                modifier = Modifier
+                    .align(Alignment.BottomEnd)
+                    .navigationBarsPadding()
+                    .padding(24.dp)
+            )
+        }
     }
 }
 
@@ -169,44 +186,95 @@ private fun HomeHeader(
 }
 
 @Composable
-private fun InvitePartnerCard(onInvite: () -> Unit) {
-    Card(
-        modifier = Modifier.fillMaxWidth(),
-        shape = RoundedCornerShape(26.dp),
-        colors = CardDefaults.cardColors(containerColor = Color(0xFFFFF4F0)),
-        elevation = CardDefaults.cardElevation(defaultElevation = 6.dp)
+private fun PulsingInviteFab(
+    onClick: () -> Unit,
+    modifier: Modifier = Modifier
+) {
+    val infiniteTransition = rememberInfiniteTransition(label = "fab_pulse")
+
+    val ring1Scale by infiniteTransition.animateFloat(
+        initialValue = 1f,
+        targetValue = 2.2f,
+        animationSpec = infiniteRepeatable(
+            animation = tween(1400, easing = LinearEasing),
+            repeatMode = RepeatMode.Restart
+        ),
+        label = "ring1"
+    )
+    val ring1Alpha by infiniteTransition.animateFloat(
+        initialValue = 0.6f,
+        targetValue = 0f,
+        animationSpec = infiniteRepeatable(
+            animation = tween(1400, easing = LinearEasing),
+            repeatMode = RepeatMode.Restart
+        ),
+        label = "ring1a"
+    )
+    val ring2Scale by infiniteTransition.animateFloat(
+        initialValue = 1f,
+        targetValue = 2.2f,
+        animationSpec = infiniteRepeatable(
+            animation = tween(1400, delayMillis = 500, easing = LinearEasing),
+            repeatMode = RepeatMode.Restart
+        ),
+        label = "ring2"
+    )
+    val ring2Alpha by infiniteTransition.animateFloat(
+        initialValue = 0.6f,
+        targetValue = 0f,
+        animationSpec = infiniteRepeatable(
+            animation = tween(1400, delayMillis = 500, easing = LinearEasing),
+            repeatMode = RepeatMode.Restart
+        ),
+        label = "ring2a"
+    )
+    val fabScale by infiniteTransition.animateFloat(
+        initialValue = 1f,
+        targetValue = 1.08f,
+        animationSpec = infiniteRepeatable(
+            animation = tween(700, easing = FastOutSlowInEasing),
+            repeatMode = RepeatMode.Reverse
+        ),
+        label = "fabscale"
+    )
+
+    Box(
+        modifier = modifier.size(72.dp),
+        contentAlignment = Alignment.Center
     ) {
-        Row(
-            modifier = Modifier.padding(18.dp),
-            horizontalArrangement = Arrangement.spacedBy(16.dp),
-            verticalAlignment = Alignment.CenterVertically
+        // Expanding ring 1
+        Box(
+            modifier = Modifier
+                .size(56.dp)
+                .scale(ring1Scale)
+                .background(
+                    color = Color(0xFFE07A5F).copy(alpha = ring1Alpha),
+                    shape = CircleShape
+                )
+        )
+        // Expanding ring 2 (offset start)
+        Box(
+            modifier = Modifier
+                .size(56.dp)
+                .scale(ring2Scale)
+                .background(
+                    color = Color(0xFFE07A5F).copy(alpha = ring2Alpha),
+                    shape = CircleShape
+                )
+        )
+        // FAB
+        FloatingActionButton(
+            onClick = onClick,
+            modifier = Modifier.size(56.dp).scale(fabScale),
+            containerColor = Color(0xFFE07A5F),
+            contentColor = Color.White,
+            shape = CircleShape
         ) {
             Icon(
-                Icons.Filled.Favorite,
-                contentDescription = null,
-                tint = Color(0xFFE07A5F),
+                Icons.Filled.Add,
+                contentDescription = "Invite partner",
                 modifier = Modifier.size(28.dp)
             )
-            Column(modifier = Modifier.weight(1f), verticalArrangement = Arrangement.spacedBy(4.dp)) {
-                Text(
-                    text = "Invite your partner",
-                    style = MaterialTheme.typography.titleMedium,
-                    fontWeight = FontWeight.SemiBold,
-                    color = Color(0xFF27211F)
-                )
-                Text(
-                    text = "Share a code to connect and start answering together.",
-                    style = MaterialTheme.typography.bodySmall,
-                    color = Color(0xFF4E4642)
-                )
-            }
-            Button(
-                onClick = onInvite,
-                shape = RoundedCornerShape(14.dp),
-                colors = ButtonDefaults.buttonColors(containerColor = Color(0xFFE07A5F))
-            ) {
-                Text("Invite", color = Color.White)
-            }
         }
     }
 }

app/src/main/java/com/couplesconnect/app/ui/onboarding/OnboardingViewModel.kt

@@ -37,8 +37,7 @@ class OnboardingViewModel @Inject constructor(
                         val user = runCatching { userRepository.getUser(authState.userId) }.getOrNull()
                         val destination = when {
                             user == null || user.displayName.isBlank() -> "create_profile"
-                            user.coupleId != null -> "home"
-                            else -> "create_invite"
+                            else -> "home"
                         }
                         _uiState.update { it.copy(isCheckingAuth = false, navigateTo = destination) }
                     }