06/02 Optimize app 2

app/routes/teller.py

@@ -280,6 +280,23 @@ def sync_all():
     return redirect(url_for('teller.sync_preview_view', teller_account_id=mapped[0].id))
 
 
+# ── Full resync (reset last_sync_date so next sync fetches full history) ─────
+
+@teller_bp.route('/resync/<int:teller_account_id>', methods=['POST'])
+@login_required
+def full_resync(teller_account_id):
+    ta = db.get_or_404(TellerAccount, teller_account_id)
+    ta.last_sync_date = None
+    ta.last_teller_txn_id = None
+    db.session.commit()
+    flash(
+        f'{ta.account_name}: reset to full resync. '
+        f'Next sync will fetch the last 90 days — duplicates will be skipped automatically.',
+        'info'
+    )
+    return redirect(url_for('teller.index'))
+
+
 # ── Balance refresh ───────────────────────────────────────────────────────────
 
 @teller_bp.route('/balance/<int:teller_account_id>', methods=['POST'])