Enable progressive loading for Claude Token Usage Report

- Show data immediately as files are parsed, not after all complete
- Display progress bar at top of table when loading continues
- Keep loading indicator visible until all files are processed
- Fix loading state logic to allow simultaneous data display and loading
- Improve user experience by showing partial results during scan

The report now displays entries as soon as they're parsed while showing
progress in the header, allowing users to see data immediately instead
of waiting for all 275+ files to complete processing.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: steipete

VibeMeter/Presentation/Views/ClaudeUsageReportView.swift

@@ -44,7 +44,7 @@ struct ClaudeUsageReportView: View {
 
             // Content
             Group {
-                if dataLoader.isLoading, dataLoader.dailyUsage.isEmpty {
+                if dataLoader.dailyUsage.isEmpty && dataLoader.isLoading {
                     VStack(spacing: 16) {
                         Spacer()
                         ProgressView()
@@ -84,7 +84,7 @@ struct ClaudeUsageReportView: View {
                         .buttonStyle(.borderedProminent)
                         Spacer()
                     }
-                } else if sortedDays.isEmpty, !dataLoader.isLoading {
+                } else if sortedDays.isEmpty && !dataLoader.isLoading {
                     Spacer()
                     VStack(spacing: 12) {
                         Image(systemName: "doc.text.magnifyingglass")
@@ -101,30 +101,32 @@ struct ClaudeUsageReportView: View {
                     .padding()
                     Spacer()
                 } else {
-                    // Show loading indicator at the top if still processing
-                    if dataLoader.isLoading && dataLoader.totalFiles > 0 {
-                        VStack(spacing: 8) {
-                            HStack {
-                                ProgressView()
-                                    .progressViewStyle(.circular)
-                                    .scaleEffect(0.8)
-
-                                Text(dataLoader.loadingMessage)
-                                    .font(.caption)
-                                    .foregroundStyle(.secondary)
-
-                                Spacer()
+                    // Show data with loading indicator
+                    VStack(spacing: 0) {
+                        // Show loading indicator at the top if still processing
+                        if dataLoader.isLoading && dataLoader.totalFiles > 0 {
+                            VStack(spacing: 8) {
+                                HStack {
+                                    ProgressView()
+                                        .progressViewStyle(.circular)
+                                        .scaleEffect(0.8)
+
+                                    Text(dataLoader.loadingMessage)
+                                        .font(.caption)
+                                        .foregroundStyle(.secondary)
+
+                                    Spacer()
+                                }
+
+                                ProgressView(value: Double(dataLoader.filesProcessed), total: Double(dataLoader.totalFiles))
+                                    .progressViewStyle(.linear)
                             }
+                            .padding(.horizontal)
+                            .padding(.vertical, 8)
+                            .background(.ultraThinMaterial)
 
-                            ProgressView(value: Double(dataLoader.filesProcessed), total: Double(dataLoader.totalFiles))
-                                .progressViewStyle(.linear)
+                            Divider()
                         }
-                        .padding(.horizontal)
-                        .padding(.vertical, 8)
-                        .background(.ultraThinMaterial)
-
-                        Divider()
-                    }
 
                     // Table
                     Table(of: DailyUsageSummary.self, sortOrder: $sortOrder) {
@@ -164,6 +166,7 @@ struct ClaudeUsageReportView: View {
                         }
                     }
                     .tableStyle(.inset(alternatesRowBackgrounds: true))
+                    }
 
                     // Summary footer with material background
                     VStack(spacing: 0) {
@@ -367,11 +370,9 @@ extension ClaudeUsageDataLoader: ClaudeLogProgressDelegate {
 
         let percentage = totalFiles > 0 ? Int((Double(filesProcessed) / Double(totalFiles)) * 100) : 0
         self.loadingMessage = "Processing files... \(percentage)% (\(filesProcessed)/\(totalFiles))"
-
-        // If we have some data, we're no longer in the initial loading state
-        if !dailyUsage.isEmpty {
-            self.isLoading = false
-        }
+        
+        // Keep isLoading true until all files are processed
+        // This allows the progress bar to remain visible
     }
 
     func logProcessingDidComplete(dailyUsage: [Date: [ClaudeLogEntry]]) {