diff --git a/.gitignore b/.gitignore
index 7a4ab44..7d74565 100644
--- a/.gitignore
+++ b/.gitignore
@@ -56,3 +56,11 @@ TestResults/
 *.trx
 *.coveragexml
 coverage/
+
+## Runtime data (seeded from *.example.json; never commit live tenant/user data)
+data/*.json
+!data/*.example.json
+data/logs/
+data/exports/
+data/templates/
+data/audit.jsonl
diff --git a/data/profiles.example.json b/data/profiles.example.json
new file mode 100644
index 0000000..c905c95
--- /dev/null
+++ b/data/profiles.example.json
@@ -0,0 +1,3 @@
+{
+  "profiles": []
+}
diff --git a/data/profiles.json b/data/profiles.json
deleted file mode 100644
index 9f4223b..0000000
--- a/data/profiles.json
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  "profiles": [
-    {
-      "id": "013fd12a-3282-4780-babc-d0e94f80a68f",
-      "name": "AB Cube",
-      "tenantUrl": "https://abcube.sharepoint.com",
-      "tenantId": "66ce65de-d1de-4d74-8a59-f8f2b196b11a",
-      "clientId": "60fc19ea-13ca-452a-9db9-7e3b89d37247",
-      "clientLogo": null
-    }
-  ]
-}
\ No newline at end of file
diff --git a/data/users.example.json b/data/users.example.json
new file mode 100644
index 0000000..ea1ebff
--- /dev/null
+++ b/data/users.example.json
@@ -0,0 +1,3 @@
+{
+  "users": []
+}
diff --git a/data/users.json b/data/users.json
deleted file mode 100644
index 5f05a3c..0000000
--- a/data/users.json
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  "users": [
-    {
-      "id": "21e0cb63-eb81-4503-8201-8e268985a056",
-      "email": "dev@local.test",
-      "displayName": "Dev Admin",
-      "role": 2,
-      "createdAt": "2026-05-29T14:17:03.9853276+00:00",
-      "lastLogin": "2026-06-01T09:22:36.0655945+00:00"
-    }
-  ]
-}
\ No newline at end of file