Add Blancco erasure reports Samba share and webapp viewer

- Samba share at \\server\blancco-reports for automatic report collection
- Webapp reports page with list, download, and delete
- Compliance warning on delete confirmation
- Sidebar link under Tools section

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

playbook/pxe_server_setup.yml

@@ -223,6 +223,12 @@
         state: directory
         mode: '0777'
 
+    - name: "Create Blancco reports share directory"
+      file:
+        path: /srv/samba/blancco-reports
+        state: directory
+        mode: '0777'
+
     - name: "Configure Samba shares"
       blockinfile:
         path: /etc/samba/smb.conf
@@ -241,6 +247,13 @@
           guest ok = yes
           comment = Clonezilla backup images
 
+          [blancco-reports]
+          path = /srv/samba/blancco-reports
+          browseable = yes
+          read only = no
+          guest ok = yes
+          comment = Blancco Drive Eraser reports
+
     - name: "Create image-type top-level directories"
       file:
         path: "{{ samba_share }}/{{ item }}"
@@ -376,6 +389,7 @@
           Environment=SAMBA_SHARE={{ samba_share }}
           Environment=CLONEZILLA_SHARE=/srv/samba/clonezilla
           Environment=WEB_ROOT={{ web_root }}
+          Environment=BLANCCO_REPORTS=/srv/samba/blancco-reports
           ExecStart=/opt/pxe-webapp/venv/bin/python app.py
           Restart=always
           RestartSec=5