stempel scan UTC-naive utk scanned_at/first_seen_at (V62/B24) — pemilih BARU ⊖ tertahan 7 jam

test_get_voters.py

@@ -10,7 +10,7 @@ membuktikan ia lolos ke snapshot, bukan dibuang.
 import os
 import sqlite3
 import tempfile
-from datetime import datetime, timedelta
+from datetime import datetime, timedelta, timezone
 
 import requests
 
@@ -229,6 +229,20 @@ def main():
     check('V7 owner PRIMARY KEY', 'owner' in cols and pk == ['owner'])
     check('V7 kolom last_vote ada', 'last_vote' in cols)
 
+    # V62: stempel scan UTC-naive (konsisten dgn cutoff umur dashboard/
+    # distribusi yang pakai `datetime.now(timezone.utc)`). Dulu `datetime.now()`
+    # (waktu lokal container, TZ=Asia/Jakarta UTC+7) → `first_seen_at` WIB
+    # dibandingkan sbg string UTC → maturity pemilih BARU bergeser +7 jam
+    # (B24). Guard: stamp ≈ now-UTC-naive, ⊖ WIB (offset ±2 mnt toleransi).
+    utc_now = datetime.now(timezone.utc).replace(tzinfo=None)
+    for s in (scanned_a, scanned_b):
+        stamp = datetime.fromisoformat(s)
+        delta = abs((utc_now - stamp).total_seconds())
+        check(f'V62 stempel scan UTC-naive ({s})',
+              delta < 120 and stamp.tzinfo is None)
+        wib_delta = abs((utc_now - timedelta(hours=7) - stamp).total_seconds())
+        check(f'V62 stempel scan ⊖ WIB ({s})', wib_delta > 60)
+
     # V41: first_seen — kemunculan pertama tiap owner, idempoten (⊥ overwrite)
     db.record_first_seen([{'owner': 'aaa1'}], '2000-01-01T00:00:00')
     conn = sqlite3.connect(db.DB_PATH)