feat(chat): add animated GIF rendering with tap-to-play animation (#721) (#731)

* feat(chat): add animated GIF rendering with tap-to-play animation

Closes #721

* fix(#721): add missing GifImageThumbnail component and format ktlint

* fix(analytics): resolve ktlint indentation error in itemsIndexed

* feat(chat): add interactive play/pause toggle for animated GIFs

* fix(chat): control GIF playback via Animatable start and stop

app/src/main/java/com/m57/hermescontrol/ui/billing/BillingViewModel.kt

@@ -162,11 +162,21 @@ class BillingViewModel : ViewModel() {
                     }
                     val msg =
                         when {
-                            resp.requires_action == true && resp.recovery_url != null ->
+                            resp.requires_action == true && resp.recovery_url != null -> {
                                 "Action required — open: ${resp.recovery_url}"
-                            resp.payment_failed == true -> resp.message ?: "Payment failed"
-                            resp.ok == true -> "Upgrade successful"
-                            else -> resp.message ?: "Upgrade requested"
+                            }
+
+                            resp.payment_failed == true -> {
+                                resp.message ?: "Payment failed"
+                            }
+
+                            resp.ok == true -> {
+                                "Upgrade successful"
+                            }
+
+                            else -> {
+                                resp.message ?: "Upgrade requested"
+                            }
                         }
                     _uiState.update { it.copy(isActionInFlight = false, actionMessage = msg) }
                     load()