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>

webapp/app.py

@@ -29,6 +29,7 @@ app.config["MAX_CONTENT_LENGTH"] = 16 * 1024 * 1024 * 1024  # 16 GB max upload
 # ---------------------------------------------------------------------------
 SAMBA_SHARE = os.environ.get("SAMBA_SHARE", "/srv/samba/winpeapps")
 CLONEZILLA_SHARE = os.environ.get("CLONEZILLA_SHARE", "/srv/samba/clonezilla")
+BLANCCO_REPORTS = os.environ.get("BLANCCO_REPORTS", "/srv/samba/blancco-reports")
 WEB_ROOT = os.environ.get("WEB_ROOT", "/var/www/html")
 BOOT_WIM = os.path.join(WEB_ROOT, "win11", "sources", "boot.wim")
 
@@ -640,6 +641,55 @@ def clonezilla_delete(filename):
     return redirect(url_for("clonezilla_backups"))
 
 
+# ---------------------------------------------------------------------------
+# Routes — Blancco Reports
+# ---------------------------------------------------------------------------
+
+@app.route("/reports")
+def blancco_reports():
+    reports = []
+    if os.path.isdir(BLANCCO_REPORTS):
+        for f in sorted(os.listdir(BLANCCO_REPORTS), reverse=True):
+            fpath = os.path.join(BLANCCO_REPORTS, f)
+            if os.path.isfile(fpath):
+                stat = os.stat(fpath)
+                ext = os.path.splitext(f)[1].lower()
+                reports.append({
+                    "filename": f,
+                    "size": stat.st_size,
+                    "modified": stat.st_mtime,
+                    "type": ext.lstrip(".").upper() or "FILE",
+                })
+    return render_template(
+        "reports.html",
+        reports=reports,
+        image_types=IMAGE_TYPES,
+        friendly_names=FRIENDLY_NAMES,
+    )
+
+
+@app.route("/reports/download/<filename>")
+def blancco_download_report(filename):
+    filename = secure_filename(filename)
+    fpath = os.path.join(BLANCCO_REPORTS, filename)
+    if not os.path.isfile(fpath):
+        flash(f"Report not found: {filename}", "danger")
+        return redirect(url_for("blancco_reports"))
+    return send_file(fpath, as_attachment=True)
+
+
+@app.route("/reports/delete/<filename>", methods=["POST"])
+def blancco_delete_report(filename):
+    filename = secure_filename(filename)
+    fpath = os.path.join(BLANCCO_REPORTS, filename)
+    if os.path.isfile(fpath):
+        os.remove(fpath)
+        flash(f"Deleted {filename}.", "success")
+    else:
+        flash(f"Report not found: {filename}", "danger")
+    return redirect(url_for("blancco_reports"))
+
+
 # ---------------------------------------------------------------------------
 # Routes — startnet.cmd Editor (WIM)
 # ---------------------------------------------------------------------------