Integrate Oudelaa backend features, security, tests, and deployment updates

ops/atlas-search/users_search.json

@@ -0,0 +1,46 @@
+{
+  "mappings": {
+    "dynamic": false,
+    "fields": {
+      "username": [
+        {
+          "type": "autocomplete",
+          "tokenization": "edgeGram",
+          "minGrams": 2,
+          "maxGrams": 15,
+          "foldDiacritics": true
+        },
+        {
+          "type": "string",
+          "analyzer": "lucene.keyword"
+        }
+      ],
+      "name": [
+        {
+          "type": "autocomplete",
+          "tokenization": "edgeGram",
+          "minGrams": 2,
+          "maxGrams": 15,
+          "foldDiacritics": true
+        },
+        {
+          "type": "string",
+          "analyzer": "lucene.standard"
+        }
+      ],
+      "stageName": [
+        {
+          "type": "autocomplete",
+          "tokenization": "edgeGram",
+          "minGrams": 2,
+          "maxGrams": 15,
+          "foldDiacritics": true
+        },
+        {
+          "type": "string",
+          "analyzer": "lucene.standard"
+        }
+      ]
+    }
+  }
+}