Optimize scan performance and add Smart Shredder

CleanMac/Models/CleanMacModels.swift

@@ -7,6 +7,7 @@ enum CleanMacSection: String, CaseIterable, Identifiable {
     case results
     case diskAnalysis
     case duplicates
+    case shredder
     case applications
     case settings
 
@@ -19,6 +20,7 @@ enum CleanMacSection: String, CaseIterable, Identifiable {
         case .results: L.t("section.results")
         case .diskAnalysis: L.t("section.diskAnalysis")
         case .duplicates: L.t("section.duplicates")
+        case .shredder: L.t("section.shredder")
         case .applications: L.t("section.applications")
         case .settings: L.t("section.settings")
         }
@@ -31,6 +33,7 @@ enum CleanMacSection: String, CaseIterable, Identifiable {
         case .results: "checklist"
         case .diskAnalysis: "chart.pie.fill"
         case .duplicates: "square.on.square"
+        case .shredder: "terminal.fill"
         case .applications: "app.badge.checkmark"
         case .settings: "gearshape"
         }

CleanMac/Support/ShredderWorkspaceService.swift

@@ -0,0 +1,20 @@
+import AppKit
+
+@MainActor
+enum ShredderWorkspaceService {
+    static func chooseFiles() -> [URL] {
+        let panel = NSOpenPanel()
+        panel.canChooseFiles = true
+        panel.canChooseDirectories = false
+        panel.allowsMultipleSelection = true
+        panel.canCreateDirectories = false
+        panel.treatsFilePackagesAsDirectories = false
+        panel.prompt = L.t("shredder.picker.confirm")
+        panel.message = L.t("shredder.picker.message")
+
+        guard panel.runModal() == .OK else {
+            return []
+        }
+        return panel.urls.map(\.standardizedFileURL)
+    }
+}

CleanMac/Views/DiskAnalysisProgressIndicator.swift

@@ -4,55 +4,33 @@ struct DiskAnalysisProgressIndicator: View {
     @Environment(\.accessibilityReduceMotion) private var reduceMotion
 
     var body: some View {
-        TimelineView(.animation(minimumInterval: 1 / 30, paused: reduceMotion)) { timeline in
-            let phase = reduceMotion ? 0.15 : timeline.date.timeIntervalSinceReferenceDate
-            let rotation = Angle.degrees(phase.truncatingRemainder(dividingBy: 2.4) / 2.4 * 360)
-            let pulse = reduceMotion ? 1.0 : 0.92 + (sin(phase * 3.2) + 1) * 0.04
-
-            ZStack {
-                Circle()
-                    .fill(
-                        RadialGradient(
-                            colors: [
-                                Color.accentColor.opacity(0.2),
-                                Color.cyan.opacity(0.08),
-                                .clear
-                            ],
-                            center: .center,
-                            startRadius: 2,
-                            endRadius: 30
-                        )
+        ZStack {
+            Circle()
+                .fill(
+                    RadialGradient(
+                        colors: [
+                            Color.accentColor.opacity(0.2),
+                            Color.cyan.opacity(0.08),
+                            .clear
+                        ],
+                        center: .center,
+                        startRadius: 2,
+                        endRadius: 30
                     )
-                    .scaleEffect(pulse)
-
-                Circle()
-                    .stroke(Color.accentColor.opacity(0.14), lineWidth: 5)
+                )
 
-                Circle()
-                    .trim(from: 0.06, to: 0.7)
-                    .stroke(
-                        AngularGradient(
-                            colors: [.blue, .cyan, .purple, .blue],
-                            center: .center
-                        ),
-                        style: StrokeStyle(lineWidth: 5, lineCap: .round)
-                    )
-                    .rotationEffect(rotation)
-                    .shadow(color: Color.accentColor.opacity(0.32), radius: 5)
-
-                Circle()
-                    .trim(from: 0.08, to: 0.38)
-                    .stroke(
-                        Color.white.opacity(0.8),
-                        style: StrokeStyle(lineWidth: 2, lineCap: .round)
-                    )
-                    .rotationEffect(.degrees(-rotation.degrees * 0.72))
+            Circle()
+                .stroke(Color.accentColor.opacity(0.18), lineWidth: 5)
 
+            if reduceMotion {
                 Image(systemName: "chart.pie.fill")
                     .font(.system(size: 16, weight: .semibold))
                     .symbolRenderingMode(.hierarchical)
                     .foregroundStyle(.tint)
-                    .scaleEffect(pulse)
+            } else {
+                ProgressView()
+                    .controlSize(.regular)
+                    .tint(.accentColor)
             }
         }
         .frame(width: 58, height: 58)

CleanMac/Views/DiskAnalysisView.swift

@@ -644,8 +644,11 @@ struct DiskAnalysisView: View {
         problemMessage = nil
 
         let minimumLargeFileSize = LargeFileThreshold.megabytes50.bytes
-        let progressChannel = AsyncStream.makeStream(of: DiskAnalysisProgress.self)
-        let worker = Task.detached(priority: .userInitiated) {
+        let progressChannel = AsyncStream.makeStream(
+            of: DiskAnalysisProgress.self,
+            bufferingPolicy: .bufferingNewest(1)
+        )
+        let worker = Task.detached(priority: .utility) {
             defer { progressChannel.continuation.finish() }
             return try DiskAnalyzer().scan(
                 root: rootURL,

CleanMac/Views/DuplicateFinderView.swift

@@ -490,8 +490,11 @@ struct DuplicateFinderView: View {
         )
 
         let mode: DuplicateScanMode = includeLargeFiles ? .includeLargeFiles : .standard
-        let progressChannel = AsyncStream.makeStream(of: DuplicateScanProgress.self)
-        let worker = Task.detached(priority: .userInitiated) {
+        let progressChannel = AsyncStream.makeStream(
+            of: DuplicateScanProgress.self,
+            bufferingPolicy: .bufferingNewest(1)
+        )
+        let worker = Task.detached(priority: .utility) {
             defer { progressChannel.continuation.finish() }
             return try await DuplicateFinder().scan(
                 root: rootURL,

CleanMac/Views/MainWindowView.swift

@@ -44,7 +44,9 @@ struct MainWindowView: View {
                 .navigationTitle(selectedSection.title)
                 .toolbar {
                     ToolbarItemGroup {
-                        if selectedSection != .diskAnalysis, selectedSection != .duplicates {
+                        if selectedSection != .diskAnalysis,
+                           selectedSection != .duplicates,
+                           selectedSection != .shredder {
                             Button {
                                 runScan()
                             } label: {
@@ -132,6 +134,8 @@ struct MainWindowView: View {
             DiskAnalysisView()
         case .duplicates:
             DuplicateFinderView()
+        case .shredder:
+            ShredderView()
         case .applications:
             ApplicationsView()
         case .settings:
@@ -196,7 +200,10 @@ struct MainWindowView: View {
         let scanStartedAt = Date()
 
         Task {
-            let progressChannel = AsyncStream.makeStream(of: CleanupScanProgress.self)
+            let progressChannel = AsyncStream.makeStream(
+                of: CleanupScanProgress.self,
+                bufferingPolicy: .bufferingNewest(1)
+            )
             let scanTask = Task.detached(priority: .userInitiated) {
                 let report = CleanupScanner().scan(categories: categories) { progress in
                     progressChannel.continuation.yield(progress)