Settings: remove search field

- Settings list is small; search added noise
- Drop OutlinedTextField + query filtering from ViewModel

android/app/src/main/java/com/shonar/ui/settings/SettingsScreen.kt

@@ -65,7 +65,7 @@ import kotlinx.serialization.json.jsonPrimitive
 /**
  * Generic settings screen: every control is rendered from the setting's
  * [SettingType] — no per-setting UI code. Users can add/edit/delete custom
- * settings, reset to defaults, search, and export/import JSON.
+ * settings, reset to defaults, and export/import JSON.
  */
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
@@ -109,16 +109,6 @@ fun SettingsScreen(onBack: () -> Unit) {
             )
         }
 
-        OutlinedTextField(
-            value = state.search,
-            onValueChange = vm::setSearch,
-            placeholder = { Text("Search settings") },
-            singleLine = true,
-            modifier = Modifier
-                .fillMaxWidth()
-                .padding(horizontal = 16.dp, vertical = 8.dp),
-        )
-
         LazyColumn(Modifier.fillMaxWidth()) {
             state.categories.forEach { section ->
                 item {

android/app/src/main/java/com/shonar/ui/settings/SettingsViewModel.kt

@@ -16,7 +16,6 @@ import kotlinx.coroutines.launch
 
 data class SettingsUiState(
     val categories: List<CategorySection> = emptyList(),
-    val search: String = "",
     val busy: Boolean = false,
     val message: String? = null,
 ) {
@@ -34,7 +33,6 @@ data class SettingsUiState(
 class SettingsViewModel(private val app: ShonarApplication) : ViewModel() {
 
     val settings: SettingsManager = app.settingsManager
-    private val searchFlow = MutableStateFlow("")
     private val messageFlow = MutableStateFlow<String?>(null)
 
     // combine's transform is suspend, so value reads stay coroutine-native
@@ -42,9 +40,8 @@ class SettingsViewModel(private val app: ShonarApplication) : ViewModel() {
     val state: StateFlow<SettingsUiState> = combine(
         settings.definitions,
         settings.valuesChanged,
-        searchFlow,
         messageFlow,
-    ) { defs, _, query, message ->
+    ) { defs, _, message ->
         val gateValue = mutableMapOf<String, Boolean>()
         suspend fun gate(id: String): Boolean =
             gateValue.getOrPut(id) { settings.bool(id) }
@@ -54,12 +51,7 @@ class SettingsViewModel(private val app: ShonarApplication) : ViewModel() {
             val g = def.visibleIfSettingId ?: return@filter true
             gate(g)
         }
-        val filtered = if (query.isBlank()) visible else visible.filter {
-            it.name.contains(query, ignoreCase = true) ||
-                it.id.contains(query, ignoreCase = true) ||
-                it.description.contains(query, ignoreCase = true)
-        }
-        val byCat = filtered.groupBy { it.category }
+        val byCat = visible.groupBy { it.category }
         SettingsUiState(
             categories = byCat.entries
                 .sortedBy { it.key }
@@ -89,15 +81,10 @@ class SettingsViewModel(private val app: ShonarApplication) : ViewModel() {
                         },
                     )
                 },
-            search = query,
             message = message,
         )
     }.stateIn(viewModelScope, SharingStarted.WhileSubscribed(5_000), SettingsUiState())
 
-    fun setSearch(q: String) {
-        searchFlow.value = q
-    }
-
     /** Build-stamped version (versionName), not a stored setting. */
     private fun appVersionName(): String? {
         val pm = app.packageManager