some backend fixes and add android app

android/app/src/test/resources/fixtures/block_events.json

@@ -0,0 +1,9 @@
+{
+  "date": "2026-10-19",
+  "total": 16,
+  "by_target": [{"target": "youtube.com", "count": 12}, {"target": "reddit.com", "count": 4}],
+  "events": [
+    {"id": 90, "kind": "domain", "target": "youtube.com", "action": "blocked", "at": "2026-10-19T10:04:00+00:00", "details": "chrome"},
+    {"id": 91, "kind": "app", "target": "*discord*", "action": "killed", "at": "2026-10-19T10:06:00+00:00", "details": "Discord (com.discord)"}
+  ]
+}