Add Gitea remote info to CLAUDE.md; implement vendor integrations and remove FortiGate modules

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

backend/providers/school-dismissal-manager.js

@@ -10,8 +10,10 @@ export async function checkStatus() {
 
   return {
     name,
-    status: "operational",
-    message: `Admin portal responding (HTTP ${res.status}).`,
+    status: res.ok ? "operational" : "degraded",
+    message: res.ok
+      ? `Admin portal responding (HTTP ${res.status}).`
+      : `Unexpected response from admin portal (HTTP ${res.status}).`,
     lastUpdated: new Date().toISOString(),
   };
 }