The file /Users/neog/Apps/macOS/PredictiveHistory-macOS/Features/Sidebar/SidebarView.swift has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
     1→import SwiftUI
     2→
     3→struct SidebarView: View {
     4→    @EnvironmentObject var dataManager: DataManager
     5→    @State private var showStats = true
     6→
     7→    var body: some View {
     8→        List(selection: $dataManager.selectedSeries) {
     9→            // Series list
    10→            Section {
    11→                ForEach(Series.allCases) { series in
    12→                    CompactSeriesRow(series: series)
    13→                        .tag(series)
    14→                }
    15→            } header: {
    16→                HStack {
    17→                    Image(systemName: "list.number")
    18→                        .font(.caption2)
    19→                    Text("Study Order")
    20→                }
    21→                .font(.caption.bold())
    22→                .foregroundStyle(.secondary)
    23→            }
    24→
    25→            // Quick stats - collapsible
    26→            Section {
    27→                DisclosureGroup(isExpanded: $showStats) {
    28→                    VStack(spacing: 10) {
    29→                        MiniStatRow(
    30→                            icon: "clock.fill",
    31→                            label: "Total Time",
    32→                            value: dataManager.formatDuration(dataManager.totalDurationSeconds),
    33→                            color: .blue
    34→                        )
    35→                        MiniStatRow(
    36→                            icon: "checkmark.circle.fill",
    37→                            label: "Watched",
    38→                            value: dataManager.formatDuration(dataManager.watchedDurationSeconds),
    39→                            color: .green
    40→                        )
    41→                        MiniStatRow(
    42→                            icon: "hourglass",
    43→                            label: "Remaining",
    44→                            value: dataManager.formatDuration(dataManager.totalDurationSeconds - dataManager.watchedDurationSeconds),
    45→                            color: .orange
    46→                        )
    47→                    }
    48→                    .padding(.vertical, 6)
    49→                } label: {
    50→                    HStack(spacing: 10) {
    51→                        AnimatedProgressRing(
    52→                            progress: dataManager.overallProgress,
    53→                            size: 28,
    54→                            lineWidth: 3,
    55→                            color: .accentColor
    56→                        )
    57→
    58→                        VStack(alignment: .leading, spacing: 1) {
    59→                            Text(String(format: "%.1f%%", dataManager.overallProgress * 100))
    60→                                .font(.subheadline.bold().monospacedDigit())
    61→
    62→                            Text("\(dataManager.watchedVideos) of \(dataManager.totalVideos)")
    63→                                .font(.caption2)
    64→                                .foregroundStyle(.tertiary)
    65→                        }
    66→                    }
    67→                }
    68→            } header: {
    69→                HStack {
    70→                    Image(systemName: "chart.pie.fill")
    71→                        .font(.caption2)
    72→                    Text("Progress")
    73→                }
    74→                .font(.caption.bold())
    75→                .foregroundStyle(.secondary)
    76→            }
    77→        }
    78→        .listStyle(.sidebar)
    79→        .navigationTitle("Series")
    80→        .safeAreaInset(edge: .bottom) {
    81→            // Enhanced bottom bar
    82→            HStack(spacing: 8) {
    83→                Image(systemName: "play.circle.fill")
    84→                    .font(.caption)
    85→                    .foregroundStyle(.green)
    86→
    87→                Text("\(dataManager.watchedVideos)")
    88→                    .font(.caption.monospacedDigit().bold())
    89→                    .foregroundStyle(.primary)
    90→
    91→                Text("of")
    92→                    .font(.caption2)
    93→                    .foregroundStyle(.tertiary)
    94→
    95→                Text("\(dataManager.totalVideos)")
    96→                    .font(.caption.monospacedDigit())
    97→                    .foregroundStyle(.secondary)
    98→
    99→                Text("videos")
   100→                    .font(.caption2)
   101→                    .foregroundStyle(.tertiary)
   102→            }
   103→            .frame(maxWidth: .infinity)
   104→            .padding(.vertical, 10)
   105→            .background(.ultraThinMaterial)
   106→        }
   107→    }
   108→}
   109→
   110→struct CompactSeriesRow: View {
   111→    @EnvironmentObject var dataManager: DataManager
   112→    let series: Series