Cloud Connect: add scan-inbox to process existing inbox mails

- POST /cloud-connect/accounts/scan-inbox: queries all inbox mails with
  backup_type 'cloud connect report', calls upsert_cloud_connect_report()
  for each, flashes a summary of accounts upserted and runs created
- 'Scan inbox mails' button added to Cloud Connect Accounts page header

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

containers/backupchecks/src/backend/app/main/routes_cloud_connect.py

@@ -1,13 +1,15 @@
 """Veeam Cloud Connect accounts review routes.
 
 Mirrors the Cove Accounts flow:
-  /cloud-connect/accounts          – list all accounts (unmatched first)
-  /cloud-connect/accounts/<id>/link   – link to existing job or create new job
-  /cloud-connect/accounts/<id>/unlink – remove the job link
+  /cloud-connect/accounts              – list all accounts (unmatched first)
+  /cloud-connect/accounts/scan-inbox   – process existing inbox mails
+  /cloud-connect/accounts/<id>/link    – link to existing job or create new job
+  /cloud-connect/accounts/<id>/unlink  – remove the job link
 """
 from .routes_shared import *  # noqa: F401,F403
 from .routes_shared import _log_admin_event
-from ..models import CloudConnectAccount, Customer, Job, JobRun
+from ..models import CloudConnectAccount, Customer, Job, JobRun, MailMessage
+from ..cloud_connect_importer import upsert_cloud_connect_report
 
 
 @main_bp.route("/cloud-connect/accounts")
@@ -48,6 +50,58 @@ def cloud_connect_accounts():
     )
 
 
+@main_bp.route("/cloud-connect/accounts/scan-inbox", methods=["POST"])
+@login_required
+@roles_required("admin", "operator")
+def cloud_connect_scan_inbox():
+    """Process all existing inbox mails that are Cloud Connect report emails."""
+    mails = (
+        MailMessage.query
+        .filter(
+            MailMessage.location == "inbox",
+            db.func.lower(MailMessage.backup_type) == "cloud connect report",
+        )
+        .all()
+    )
+
+    total = len(mails)
+    total_accounts = 0
+    total_created = 0
+    errors = 0
+
+    for mail in mails:
+        try:
+            result = upsert_cloud_connect_report(
+                mail_message_id=mail.id,
+                html_body=(mail.html_body or ""),
+            )
+            total_accounts += result.get("total", 0)
+            total_created += result.get("created", 0)
+        except Exception as exc:
+            errors += 1
+            _log_admin_event(
+                event_type="cloud_connect_scan_error",
+                message=f"Failed to process mail {mail.id}: {exc}",
+            )
+
+    db.session.commit()
+
+    _log_admin_event(
+        event_type="cloud_connect_scan_inbox",
+        message=(
+            f"Scanned {total} inbox mail(s): "
+            f"{total_accounts} accounts upserted, {total_created} new runs created, {errors} error(s)"
+        ),
+    )
+    flash(
+        f"Scanned {total} mail(s): {total_accounts} accounts upserted, "
+        f"{total_created} new runs created."
+        + (f" {errors} error(s)." if errors else ""),
+        "success" if errors == 0 else "warning",
+    )
+    return redirect(url_for("main.cloud_connect_accounts"))
+
+
 @main_bp.route("/cloud-connect/accounts/<int:cc_account_db_id>/link", methods=["POST"])
 @login_required
 @roles_required("admin", "operator")

containers/backupchecks/src/templates/main/cloud_connect_accounts.html

@@ -2,6 +2,9 @@
 {% block content %}
 <div class="d-flex justify-content-between align-items-center mb-3">
   <h2 class="mb-0">Cloud Connect Accounts</h2>
+  <form method="post" action="{{ url_for('main.cloud_connect_scan_inbox') }}">
+    <button type="submit" class="btn btn-sm btn-outline-secondary">Scan inbox mails</button>
+  </form>
 </div>
 
 {# ── Unmatched accounts ─────────────────────────────────────────────────── #}