perf: scope filter animation to mutation site, cache per-table filters (#531)

Author: datlechin

TablePro/Core/Storage/FilterSettingsStorage.swift

@@ -96,6 +96,9 @@ final class FilterSettingsStorage {
     /// Cached settings to avoid repeated UserDefaults read + JSON decode
     private var cachedSettings: FilterSettings?
 
+    /// Per-table filter cache to avoid JSON decode on every table switch
+    private var lastFiltersCache: [String: [TableFilter]] = [:]
+
     /// In-memory cache for tracked filter keys. Lazy-loaded on first access
     /// so that `trackKey`/`removeTrackedKey` avoid redundant UserDefaults reads.
     private var _trackedKeys: Set<String>?
@@ -160,12 +163,18 @@ final class FilterSettingsStorage {
     func loadLastFilters(for tableName: String) -> [TableFilter] {
         let key = lastFiltersKeyPrefix + sanitizeTableName(tableName)
 
+        if let cached = lastFiltersCache[key] {
+            return cached
+        }
+
         guard let data = defaults.data(forKey: key) else {
             return []
         }
 
         do {
-            return try decoder.decode([TableFilter].self, from: data)
+            let filters = try decoder.decode([TableFilter].self, from: data)
+            lastFiltersCache[key] = filters
+            return filters
         } catch {
             Self.logger.error("Failed to decode last filters for \(tableName): \(error)")
             return []
@@ -180,13 +189,15 @@ final class FilterSettingsStorage {
         guard !filters.isEmpty else {
             defaults.removeObject(forKey: key)
             removeTrackedKey(key)
+            lastFiltersCache.removeValue(forKey: key)
             return
         }
 
         do {
             let data = try encoder.encode(filters)
             defaults.set(data, forKey: key)
             trackKey(key)
+            lastFiltersCache[key] = filters
         } catch {
             Self.logger.error("Failed to encode last filters for \(tableName): \(error)")
         }
@@ -197,6 +208,7 @@ final class FilterSettingsStorage {
         let key = lastFiltersKeyPrefix + sanitizeTableName(tableName)
         defaults.removeObject(forKey: key)
         removeTrackedKey(key)
+        lastFiltersCache.removeValue(forKey: key)
     }
 
     /// Clear all stored last filters using the tracked key set instead of

TablePro/Models/UI/FilterState.swift

@@ -171,17 +171,23 @@ final class FilterStateManager {
 
     /// Toggle filter panel visibility
     func toggle() {
-        isVisible.toggle()
+        withAnimation(.easeInOut(duration: 0.15)) {
+            isVisible.toggle()
+        }
     }
 
     /// Show panel
     func show() {
-        isVisible = true
+        withAnimation(.easeInOut(duration: 0.15)) {
+            isVisible = true
+        }
     }
 
     /// Close panel
     func close() {
-        isVisible = false
+        withAnimation(.easeInOut(duration: 0.15)) {
+            isVisible = false
+        }
     }
 
     // MARK: - Selection

TablePro/Views/Main/Child/MainEditorContentView.swift

@@ -369,8 +369,6 @@ struct MainEditorContentView: View {
             statusBar(tab: tab)
         }
         .frame(maxWidth: .infinity, maxHeight: .infinity)
-        .animation(.easeInOut(duration: 0.2), value: filterStateManager.isVisible)
-        .animation(.easeInOut(duration: 0.2), value: tab.errorMessage)
     }
 
     private func resultTabBar(tab: QueryTab) -> some View {