Enrich test data, fix multi-page PDF export, and polish UI

- Populate debug test data with random notes, guided reflections, and weather
- Fix PDF export to use UIPrintPageRenderer for proper multi-page pagination
- Add journal/reflection indicator icons to day list entry cells
- Fix weather card icon contrast by using secondarySystemBackground
- Align Generate Report and Export PDF button widths in ReportsView

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Shared/Views/InsightsView/ReportsView.swift

@@ -254,6 +254,12 @@ struct ReportsView: View {
 
                 Spacer()
             }
+            .padding()
+            .background(
+                RoundedRectangle(cornerRadius: 14)
+                    .fill(colorScheme == .dark ? Color(.systemGray6) : .white)
+            )
+            .padding(.horizontal)
 
             Button {
                 viewModel.showPrivacyConfirmation = true
@@ -269,14 +275,9 @@ struct ReportsView: View {
                 .foregroundColor(.white)
                 .clipShape(RoundedRectangle(cornerRadius: 14))
             }
+            .padding(.horizontal)
             .accessibilityIdentifier(AccessibilityID.Reports.exportButton)
         }
-        .padding()
-        .background(
-            RoundedRectangle(cornerRadius: 14)
-                .fill(colorScheme == .dark ? Color(.systemGray6) : .white)
-        )
-        .padding(.horizontal)
     }
 
     // MARK: - Error Card