HOTFIX: poll_inverter SELECT bez deye_zero_export_mode — KeyError zastavil inverter telemetrii všech lokalit

V100 rozšířil view i logiku, ale SELECT v collectoru zůstal bez nového
sloupce — row['deye_zero_export_mode'] padal každou minutu od deploye
287353b (~33 min výpadek inverter telemetrie; EV/pool jely dál v heartbeat
rytmu).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

backend/services/telemetry_collector.py

@@ -322,7 +322,7 @@ def _export_limit_flags_from_deye_regs(reg145: int | None, reg179: int | None) -
 async def poll_inverter(site_id: int, db: asyncpg.Connection) -> None:
     rows = await db.fetch(
         """
-        select inverter_id as id, code, host, port, unit_id
+        select inverter_id as id, code, host, port, unit_id, deye_zero_export_mode
         from ems.vw_asset_inverter_modbus_poll
         where site_id = $1
         """,