feat: add genre support to catalog sources and update UI accordingly

composeApp/src/commonMain/kotlin/com/nuvio/app/features/collection/CollectionEditorRepository.kt

@@ -202,10 +202,12 @@ object CollectionEditorRepository {
 
     fun addCatalogSource(catalog: AvailableCatalog) {
         val folder = _uiState.value.editingFolder ?: return
+        val defaultGenre = if (catalog.genreRequired) catalog.genreOptions.firstOrNull() else null
         val source = CollectionCatalogSource(
             addonId = catalog.addonId,
             type = catalog.type,
             catalogId = catalog.catalogId,
+            genre = defaultGenre,
         )
         if (folder.catalogSources.any {
                 it.addonId == source.addonId && it.type == source.type && it.catalogId == source.catalogId
@@ -225,6 +227,16 @@ object CollectionEditorRepository {
         )
     }
 
+    fun updateCatalogSourceGenre(index: Int, genre: String?) {
+        val folder = _uiState.value.editingFolder ?: return
+        if (index !in folder.catalogSources.indices) return
+        val updated = folder.catalogSources.toMutableList()
+        updated[index] = updated[index].copy(genre = genre)
+        _uiState.value = _uiState.value.copy(
+            editingFolder = folder.copy(catalogSources = updated),
+        )
+    }
+
     fun toggleCatalogSource(catalog: AvailableCatalog) {
         val folder = _uiState.value.editingFolder ?: return
         val existingIndex = folder.catalogSources.indexOfFirst {

composeApp/src/commonMain/kotlin/com/nuvio/app/features/collection/CollectionEditorScreen.kt

@@ -697,6 +697,10 @@ private fun FolderEditorSheet(
             }
 
             itemsIndexed(folder.catalogSources) { index, source ->
+                val matchingCatalog = state.availableCatalogs.find {
+                    it.addonId == source.addonId && it.type == source.type && it.catalogId == source.catalogId
+                }
+                val genreOptions = matchingCatalog?.genreOptions.orEmpty()
                 NuvioSurfaceCard {
                     Row(
                         verticalAlignment = Alignment.CenterVertically,
@@ -711,7 +715,10 @@ private fun FolderEditorSheet(
                                 overflow = TextOverflow.Ellipsis,
                             )
                             Text(
-                                text = source.addonId,
+                                text = buildString {
+                                    append(source.addonId)
+                                    if (source.genre != null) append(" · ${source.genre}")
+                                },
                                 style = MaterialTheme.typography.bodyMedium,
                                 color = MaterialTheme.colorScheme.onSurfaceVariant,
                                 maxLines = 1,
@@ -730,6 +737,51 @@ private fun FolderEditorSheet(
                             )
                         }
                     }
+                    if (genreOptions.isNotEmpty()) {
+                        Spacer(modifier = Modifier.height(8.dp))
+                        Text(
+                            text = "Genre",
+                            style = MaterialTheme.typography.bodyMedium,
+                            fontWeight = FontWeight.Medium,
+                            color = MaterialTheme.colorScheme.onSurface,
+                        )
+                        Spacer(modifier = Modifier.height(4.dp))
+                        FlowRow(
+                            horizontalArrangement = Arrangement.spacedBy(6.dp),
+                            verticalArrangement = Arrangement.spacedBy(6.dp),
+                        ) {
+                            FilterChip(
+                                selected = source.genre == null,
+                                onClick = { CollectionEditorRepository.updateCatalogSourceGenre(index, null) },
+                                label = { Text("All") },
+                                leadingIcon = if (source.genre == null) {
+                                    {
+                                        Icon(
+                                            imageVector = Icons.Rounded.Check,
+                                            contentDescription = null,
+                                            modifier = Modifier.size(18.dp),
+                                        )
+                                    }
+                                } else null,
+                            )
+                            genreOptions.forEach { genre ->
+                                FilterChip(
+                                    selected = source.genre == genre,
+                                    onClick = { CollectionEditorRepository.updateCatalogSourceGenre(index, genre) },
+                                    label = { Text(genre) },
+                                    leadingIcon = if (source.genre == genre) {
+                                        {
+                                            Icon(
+                                                imageVector = Icons.Rounded.Check,
+                                                contentDescription = null,
+                                                modifier = Modifier.size(18.dp),
+                                            )
+                                        }
+                                    } else null,
+                                )
+                            }
+                        }
+                    }
                 }
             }
 

composeApp/src/commonMain/kotlin/com/nuvio/app/features/collection/CollectionModels.kt

@@ -27,6 +27,7 @@ data class CollectionCatalogSource(
     val addonId: String,
     val type: String,
     val catalogId: String,
+    val genre: String? = null,
 )
 
 @Immutable
@@ -73,6 +74,8 @@ data class AvailableCatalog(
     val type: String,
     val catalogId: String,
     val catalogName: String,
+    val genreOptions: List<String> = emptyList(),
+    val genreRequired: Boolean = false,
 )
 
 @Serializable

composeApp/src/commonMain/kotlin/com/nuvio/app/features/collection/CollectionRepository.kt

@@ -157,14 +157,17 @@ object CollectionRepository {
             addon to manifest
         }.flatMap { (addon, manifest) ->
             manifest.catalogs
-                .filter { catalog -> catalog.extra.none { it.isRequired } }
+                .filter { catalog -> catalog.extra.none { it.isRequired && it.name != "genre" } }
                 .map { catalog ->
+                    val genreExtra = catalog.extra.firstOrNull { it.name == "genre" }
                     AvailableCatalog(
                         addonId = manifest.id,
                         addonName = addon.displayTitle,
                         type = catalog.type,
                         catalogId = catalog.id,
                         catalogName = catalog.name,
+                        genreOptions = genreExtra?.options.orEmpty(),
+                        genreRequired = genreExtra?.isRequired == true,
                     )
                 }
         }

composeApp/src/commonMain/kotlin/com/nuvio/app/features/collection/FolderDetailRepository.kt

@@ -24,6 +24,7 @@ data class FolderTab(
     val manifestUrl: String? = null,
     val type: String = "",
     val catalogId: String = "",
+    val genre: String? = null,
     val supportsPagination: Boolean = false,
     val items: List<MetaPreview> = emptyList(),
     val isLoading: Boolean = true,
@@ -123,13 +124,15 @@ object FolderDetailRepository {
                 val typeLabel = source.type.replaceFirstChar {
                     if (it.isLowerCase()) it.titlecase() else it.toString()
                 }
+                val genreSuffix = if (source.genre != null) " · ${source.genre}" else ""
                 add(
                     FolderTab(
-                        label = "$label ($typeLabel)",
+                        label = "$label ($typeLabel)$genreSuffix",
                         typeLabel = typeLabel,
                         manifestUrl = addon?.manifestUrl,
                         type = source.type,
                         catalogId = source.catalogId,
+                        genre = source.genre,
                         supportsPagination = catalog?.supportsPagination() == true,
                         isLoading = true,
                     ),
@@ -236,6 +239,7 @@ object FolderDetailRepository {
                     manifestUrl = manifestUrl,
                     type = currentTab.type,
                     catalogId = currentTab.catalogId,
+                    genre = currentTab.genre,
                     skip = requestedSkip.takeIf { it > 0 },
                 )
             }.onSuccess { page ->