feat: Migrate ConversationInfo to Composable

AI-assistant: Copilot 1.7.1-243 (Claude Sonnet 4.6)

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

Author: AndyScherzinger

app/src/main/java/com/nextcloud/talk/conversationinfo/ConversationInfoActivity.kt

@@ -0,0 +1,17 @@
+/*
+ * Nextcloud Talk - Android Client
+ *
+ * SPDX-FileCopyrightText: 2026 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package com.nextcloud.talk.conversationinfo
+
+import androidx.annotation.StringRes
+
+sealed class ConversationInfoUiEvent {
+    data class ShowSnackbar(@StringRes val resId: Int) : ConversationInfoUiEvent()
+    data class ShowSnackbarText(val text: String) : ConversationInfoUiEvent()
+    data class NavigateToChat(val token: String) : ConversationInfoUiEvent()
+    data object RefreshParticipants : ConversationInfoUiEvent()
+}

app/src/main/java/com/nextcloud/talk/conversationinfo/ConversationInfoUiEvent.kt

@@ -0,0 +1,85 @@
+/*
+ * Nextcloud Talk - Android Client
+ *
+ * SPDX-FileCopyrightText: 2026 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package com.nextcloud.talk.conversationinfo
+
+import com.nextcloud.talk.conversationinfo.model.ParticipantModel
+import com.nextcloud.talk.models.domain.ConversationModel
+import com.nextcloud.talk.models.json.capabilities.SpreedCapability
+import com.nextcloud.talk.models.json.conversations.ConversationEnums
+
+data class ConversationInfoUiState(
+    val isLoading: Boolean = true,
+    val spreedCapabilities: SpreedCapability? = null,
+    val capabilitiesVersion: Int = 0,
+    val profileDataAvailable: Boolean = false,
+
+    val conversation: ConversationModel? = null,
+    val displayName: String = "",
+    val description: String = "",
+    val avatarUrl: String? = null,
+    val conversationType: ConversationEnums.ConversationType? = null,
+    val serverBaseUrl: String = "",
+    val credentials: String = "",
+    val conversationToken: String = "",
+
+    val pronouns: String = "",
+    val professionCompany: String = "",
+    val localTimeLocation: String = "",
+
+    val upcomingEventSummary: String? = null,
+    val upcomingEventTime: String? = null,
+
+    val notificationLevel: String = "",
+    val callNotificationsEnabled: Boolean = true,
+    val showCallNotifications: Boolean = true,
+    val importantConversation: Boolean = false,
+    val showImportantConversation: Boolean = false,
+    val sensitiveConversation: Boolean = false,
+    val showSensitiveConversation: Boolean = false,
+
+    val lobbyEnabled: Boolean = false,
+    val showWebinarSettings: Boolean = false,
+    val lobbyTimerLabel: String = "",
+    val showLobbyTimer: Boolean = false,
+
+    val guestsAllowed: Boolean = false,
+    val showGuestAccess: Boolean = false,
+    val hasPassword: Boolean = false,
+    val showPasswordProtection: Boolean = false,
+    val showResendInvitations: Boolean = false,
+
+    val showSharedItems: Boolean = true,
+    val showThreadsButton: Boolean = false,
+
+    val showRecordingConsent: Boolean = false,
+    val recordingConsentForConversation: Boolean = false,
+    val showRecordingConsentSwitch: Boolean = false,
+    val showRecordingConsentAll: Boolean = false,
+    val recordingConsentEnabled: Boolean = true,
+
+    val messageExpirationLabel: String = "",
+    val showMessageExpiration: Boolean = false,
+    val showShareConversationButton: Boolean = true,
+
+    val isConversationLocked: Boolean = false,
+    val showLockConversation: Boolean = false,
+
+    val participants: List<ParticipantModel> = emptyList(),
+    val showParticipants: Boolean = false,
+    val showAddParticipants: Boolean = false,
+    val showStartGroupChat: Boolean = false,
+    val showListBans: Boolean = false,
+
+    val showArchiveConversation: Boolean = false,
+    val isArchived: Boolean = false,
+    val canLeave: Boolean = true,
+    val canDelete: Boolean = false,
+    val showClearHistory: Boolean = false,
+
+    val showEditButton: Boolean = false
+)