Update VBA modules and test formatting

- Fix test result indicators encoding (use ?? instead of Unicode symbols)
- Add missing newlines at end of files
- Add new VBA module files for main functionality

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

VBA/DocumentModules/Sheet5.cls

@@ -0,0 +1,12 @@
+Private Sub CommandButton1_Click()
+    Dim ws As Worksheet
+    Set ws = ThisWorkbook.Worksheets("货期检查")
+    ws.Range("A4:P10000").ClearContents
+    Call RunDeliveryCheck
+End Sub
+
+Private Sub CommandButton2_Click()
+    Call SyncModifiedDatesToAccess
+    Call ArchiveModifiedData
+    Call UpdateSourceDataCopy
+End Sub