Add haptic feedback for profile avatar interactions

- Implemented haptic feedback on avatar collapse when reaching the notch.
- Added haptic feedback for snap back action when the avatar returns from an expanded state.
- Introduced state management for triggering haptic feedback to ensure it only occurs at appropriate times.

app/src/main/java/com/rosetta/messenger/ui/components/metaball/MetaballEffect.kt

@@ -69,7 +69,7 @@ fun Modifier.customBlur(blur: Float) = this.then(
                 .createBlurEffect(
                     blur,
                     blur,
-                    Shader.TileMode.DECAL,
+                    Shader.TileMode.CLAMP,
                 )
                 .asComposeRenderEffect()
         }

app/src/main/java/com/rosetta/messenger/ui/settings/ProfileScreen.kt

@@ -409,6 +409,28 @@ fun ProfileScreen(
             hasTriggeredExpandHaptic = false
         }
     }
+
+    // Haptic on collapse — light tick when avatar reaches notch
+    var hasTriggeredCollapseHaptic by remember { mutableStateOf(false) }
+    LaunchedEffect(collapseProgress) {
+        if (collapseProgress >= 0.95f && !hasTriggeredCollapseHaptic) {
+            hapticFeedback.performHapticFeedback(HapticFeedbackType.TextHandleMove)
+            hasTriggeredCollapseHaptic = true
+        } else if (collapseProgress < 0.5f) {
+            hasTriggeredCollapseHaptic = false
+        }
+    }
+
+    // Haptic on snap back — when avatar snaps back from expanded
+    var hasTriggeredSnapBackHaptic by remember { mutableStateOf(false) }
+    LaunchedEffect(isPulledDown, expansionProgress) {
+        if (!isPulledDown && expansionProgress < 0.05f && hasTriggeredSnapBackHaptic) {
+            hapticFeedback.performHapticFeedback(HapticFeedbackType.TextHandleMove)
+            hasTriggeredSnapBackHaptic = false
+        } else if (isPulledDown) {
+            hasTriggeredSnapBackHaptic = true
+        }
+    }
     
     // DEBUG LOGS
     // ═══════════════════════════════════════════════════════════════