Fix Komodo tag IDs in Mongo Extended JSON responses

src/lib/server/integrations/komodo.ts

@@ -525,13 +525,16 @@ export type KomodoTagResult =
     | { ok: true; id: string }
     | { ok: false; message: string };
 
-// Komodo serializes Mongo ObjectIds as `_id` in the raw mongo docs and as
-// `id` in the API DTOs (rust serde default). Accept either everywhere.
+// Accept API string IDs and raw Mongo Extended JSON: { _id: { $oid: "..." } }.
 function extractTagId(t: unknown): string | null {
     if (!t || typeof t !== 'object') return null;
     const o = t as { id?: unknown; _id?: unknown };
     if (typeof o.id === 'string' && o.id.length > 0) return o.id;
     if (typeof o._id === 'string' && o._id.length > 0) return o._id;
+    if (o._id && typeof o._id === 'object') {
+        const oid = (o._id as { $oid?: unknown }).$oid;
+        if (typeof oid === 'string' && oid.length > 0) return oid;
+    }
     return null;
 }