Shopfloor PC type system, webapp enhancements, slim Blancco GRUB

- Shopfloor PC type menu (CMM, WaxAndTrace, Keyence, Genspect, Display, Standard)
- Baseline scripts: OpenText CSF, Start Menu shortcuts, network/WinRM, power/display
- Standard type: eDNC + MarkZebra with 64-bit path mirroring
- CMM type: Hexagon CLM Tools, PC-DMIS 2016/2019 R2
- Display sub-type: Lobby vs Dashboard
- Webapp: enrollment management, image config editor, UI refresh
- Upload-Image.ps1: robocopy MCL cache to PXE server
- Download-Drivers.ps1: Dell driver download pipeline
- Slim Blancco GRUB EFI (10MB -> 660KB) for old hardware compat
- Shopfloor display imaging guide docs

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

webapp/templates/import.html

@@ -10,7 +10,7 @@
     <!-- Network Upload Import -->
     <div class="card mb-3">
       <div class="card-header">
-        <i class="bi bi-cloud-upload me-2"></i> Import from Network Upload
+        Import from Network Upload
       </div>
       <div class="card-body">
         {% if upload_sources %}
@@ -44,7 +44,6 @@
           </div>
 
           <div class="alert alert-info d-flex align-items-start" role="alert">
-            <i class="bi bi-info-circle-fill me-2 mt-1"></i>
             <div>
               <strong>Shared Drivers:</strong> Out-of-box Drivers are automatically pooled
               into a shared directory and symlinked for each image type to save disk space.
@@ -52,7 +51,6 @@
           </div>
 
           <div class="alert alert-warning d-flex align-items-start" role="alert">
-            <i class="bi bi-exclamation-triangle-fill me-2 mt-1"></i>
             <div>
               <strong>Warning:</strong> Existing files in the target Deploy directory with the
               same names will be overwritten. This operation may take several minutes for large
@@ -61,19 +59,18 @@
           </div>
 
           <button type="submit" class="btn btn-primary" id="uploadImportBtn">
-            <i class="bi bi-download me-1"></i> Start Import
+            Start Import
           </button>
         </form>
         {% else %}
         <div class="text-center py-4">
-          <i class="bi bi-cloud-slash display-4 text-muted"></i>
           <h5 class="mt-3 text-muted">No Upload Content Found</h5>
           <p class="text-muted mb-0">
             Map <code>\\10.9.100.1\image-upload</code> on your Windows PC and copy
             the Deploy directory contents there.
           </p>
           <button class="btn btn-outline-secondary btn-sm mt-3" onclick="location.reload()">
-            <i class="bi bi-arrow-clockwise"></i> Refresh
+            Refresh
           </button>
         </div>
         {% endif %}
@@ -83,7 +80,7 @@
     <!-- USB Import -->
     <div class="card">
       <div class="card-header">
-        <i class="bi bi-usb-drive me-2"></i> Import from USB Drive
+        Import from USB Drive
       </div>
       <div class="card-body">
         {% if usb_mounts %}
@@ -116,7 +113,6 @@
           </div>
 
           <div class="alert alert-warning d-flex align-items-start" role="alert">
-            <i class="bi bi-exclamation-triangle-fill me-2 mt-1"></i>
             <div>
               <strong>Warning:</strong> Existing files in the target Deploy directory with the
               same names will be overwritten. This operation may take several minutes for large
@@ -125,19 +121,18 @@
           </div>
 
           <button type="submit" class="btn btn-primary" id="importBtn">
-            <i class="bi bi-download me-1"></i> Start Import
+            Start Import
           </button>
         </form>
         {% else %}
         <div class="text-center py-4">
-          <i class="bi bi-usb-plug display-4 text-muted"></i>
           <h5 class="mt-3 text-muted">No USB Drives Detected</h5>
           <p class="text-muted mb-0">
             No mounted USB drives were found under <code>/mnt/</code> or <code>/media/</code>.<br>
             Mount a USB drive and refresh this page.
           </p>
           <button class="btn btn-outline-secondary btn-sm mt-3" onclick="location.reload()">
-            <i class="bi bi-arrow-clockwise"></i> Refresh
+            Refresh
           </button>
         </div>
         {% endif %}
@@ -148,7 +143,7 @@
   <div class="col-lg-4">
     <div class="card">
       <div class="card-header">
-        <i class="bi bi-info-circle me-2"></i> Current Image Status
+        Current Image Status
       </div>
       <div class="card-body p-0">
         <table class="table table-sm mb-0">