BARU band: hapus kolom VOTE TERAKHIR + tambah countdown VALID DALAM N HARI (V52) — _edge_rows bawa first_seen_at, filter countdown (first_seen + MATURITY), grid band-list 4 kolom, .valid-in ; image web rebuild + push

dashboard.py

@@ -6,6 +6,7 @@ API databisnis dengan cache TTL singkat (V16). Styling per `DESIGN.md`.
 Konfigurasi dari env/`.env`.
 """
 
+import math
 import time
 from datetime import datetime, timedelta, timezone
 
@@ -78,6 +79,23 @@ def shortdate(value):
         return '—'
 
 
+@app.template_filter('countdown')
+def countdown(value, now=None):
+    """'VALID DALAM N HARI' utk pemilih BARU (V52).
+
+    Maturity = `first_seen_at` + `VEX_MATURITY_DAYS`. Nilai NULL/legacy →
+    None (⊥ cue). Dihitung utk hari penuh, minimal 1 hari."""
+    if not value:
+        return None
+    try:
+        valid_at = datetime.fromisoformat(value) + timedelta(days=VEX_MATURITY_DAYS)
+    except ValueError:
+        return None
+    now = now or datetime.now(timezone.utc).replace(tzinfo=None)
+    days = max(1, math.ceil((valid_at - now).total_seconds() / 86400))
+    return f'VALID DALAM {days} HARI'
+
+
 # ————— Jadwal distribusi berikutnya (V38) —————
 # Banner BERITA di dashboard menampilkan run distribusi berikutnya. Logika
 # boundary sengaja mirror `distribute_loop.next_boundary` (⊥ impor lintas-image,
@@ -316,7 +334,9 @@ def _edge_rows():
         if r[2] > exp_cut:
             fs = r[4]
             if fs is None or fs > new_cut:
-                new_rows.append(r[:4])
+                # V52: BARU membawa first_seen_at (elemen ke-4) utk countdown
+                # `VALID DALAM N HARI` di template.
+                new_rows.append(r[:4] + (fs,))
         else:
             expired_rows.append(r[:4])
     return new_rows, expired_rows