MAVS Mathews Tablet Package Builder

Script:
  tools/mathews-package-builder/build-mathews-tablet-package.ps1

Purpose:
  Build the exact /MAVS/Mathews tablet data package before handing a tablet or SD card to a field tech.

Example using already-downloaded offline aerial files:
  powershell -ExecutionPolicy Bypass -File tools/mathews-package-builder/build-mathews-tablet-package.ps1 `
    -DestinationRoot E:\ `
    -OriginalPdfsSource "C:\mathews\original_pdfs_mathews" `
    -TemplatesSource "C:\mathews\templates" `
    -ParcelPackageSource "C:\mathews\parcels-package.json" `
    -OfflineSource "C:\mathews\offline"

Example downloading hosted aerial MBTiles/manifest/checksum:
  powershell -ExecutionPolicy Bypass -File tools/mathews-package-builder/build-mathews-tablet-package.ps1 `
    -DestinationRoot E:\ `
    -OriginalPdfsSource "C:\mathews\original_pdfs_mathews" `
    -TemplatesSource "C:\mathews\templates" `
    -ParcelPackageSource "C:\mathews\parcels-package.json" `
    -DownloadOffline

Inputs:
  DestinationRoot       SD card, tablet drive, or final MAVS\Mathews folder.
  OriginalPdfsSource    Folder containing original property-card PDFs.
  TemplatesSource       Folder containing new_construction.pdf and mobile_home.pdf.
  ParcelPackageSource   parcels-package.json exported from Supabase.
  OfflineSource         Folder containing mathews_va_51115_z14_z18_aerials.mbtiles, manifest.json, and checksum.
  DownloadOffline       Downloads the hosted aerial files instead of copying from OfflineSource.

Output:
  MAVS\Mathews\offline
  MAVS\Mathews\original_pdfs
  MAVS\Mathews\templates
  MAVS\Mathews\config
  MAVS\Mathews\returned_work
  MAVS\Mathews\logs

Validation:
  The script runs:
    node scripts\validate-mathews-tablet-package.js --root E:\MAVS\Mathews

Reports:
  MAVS\Mathews\logs\package-builder-report.txt
  MAVS\Mathews\logs\package-builder-report.json

Safety:
  The script does not recursively delete returned_work or logs.