Refactor code structure and optimize performance across multiple modules

devops/offline/fixtures/notifier/templates/risk/tmpl-risk-severity-change.slack.en-us.template.json

@@ -0,0 +1,16 @@
+{
+  "schemaVersion": "notify.template@1",
+  "templateId": "tmpl-risk-severity-change-slack-en-us",
+  "tenantId": "bootstrap",
+  "channelType": "slack",
+  "key": "tmpl-risk-severity-change",
+  "locale": "en-us",
+  "renderMode": "markdown",
+  "format": "json",
+  "description": "Slack notice for risk severity escalation or downgrade.",
+  "body": "*Risk severity changed* for {{payload.profile.id}}\n• from: {{payload.previous.severity}} → to: {{payload.current.severity}}\n• asset: {{payload.asset.purl}}\n• version: {{payload.profile.version}}\n• reason: {{payload.reason}}\n<{{payload.links.console}}|Open in console>",
+  "metadata": {
+    "author": "notifications-bootstrap",
+    "version": "2025-11-24"
+  }
+}