Update public dashboard stats

public_stats.json

@@ -1,5 +1,5 @@
 {
-  "generated_at": "2026-07-20T09:30:09Z",
+  "generated_at": "2026-07-21T09:30:03Z",
   "public_note": "Aggregated portfolio statistics only. No personal data, prompts, answers, costs, IDs, birth data, or message text.",
   "project": {
     "name": "MapToSelf",
@@ -33,10 +33,6 @@
   },
   "series": {
     "users_by_day": [
-      {
-        "day": "2026-06-21",
-        "users": 0
-      },
       {
         "day": "2026-06-22",
         "users": 0
@@ -152,13 +148,13 @@
       {
         "day": "2026-07-20",
         "users": 0
+      },
+      {
+        "day": "2026-07-21",
+        "users": 0
       }
     ],
     "reports_by_day": [
-      {
-        "day": "2026-06-21",
-        "reports": 0
-      },
       {
         "day": "2026-06-22",
         "reports": 0
@@ -274,6 +270,10 @@
       {
         "day": "2026-07-20",
         "reports": 0
+      },
+      {
+        "day": "2026-07-21",
+        "reports": 0
       }
     ],
     "users_by_language": [