dalsi uprava vypoctu delty (ignorujeme orezane vyroby)

db/migration/V058__telemetry_inverter_derating_flags.sql

@@ -0,0 +1,12 @@
+-- Volitelné flagy pro vyloučení „škrcených“ slotů z učení PV delty (fáze 2 plánu kalibrace).
+-- Plní collector podle režimu / registrů (145/179 apod.); dokud NULL, R__022 je ignoruje.
+
+ALTER TABLE ems.telemetry_inverter
+    ADD COLUMN IF NOT EXISTS is_export_limited boolean NULL,
+    ADD COLUMN IF NOT EXISTS pv_derating_flags int NULL;
+
+COMMENT ON COLUMN ems.telemetry_inverter.is_export_limited IS
+'TRUE = interval indikuje omezení exportu / odpojení GEN (např. cut-off mikroinvertorů); fn_fill_forecast_accuracy může vyloučit slot z učení.';
+
+COMMENT ON COLUMN ems.telemetry_inverter.pv_derating_flags IS
+'Bitová maska nebo enum z režimu střídače (derating); <> 0 může vést k vyloučení slotu z učení delty.';

db/routines/R__022_fn_fill_forecast_accuracy.sql

@@ -27,16 +27,16 @@ BEGIN
             / 3600.0, 2
         )                                                    AS lead_time_hours,
         CASE
-            WHEN v.is_curtailed_learning_slot THEN NULL
+            WHEN v.exclude_actual_for_learning THEN NULL
             ELSE slot.avg_actual_w::INT
         END                                                  AS actual_power_w,
         now()                                                AS actual_filled_at,
         CASE
-            WHEN v.is_curtailed_learning_slot THEN NULL
+            WHEN v.exclude_actual_for_learning THEN NULL
             ELSE fpi.power_w - COALESCE(slot.avg_actual_w::INT, 0)
         END                                                  AS error_w,
         CASE
-            WHEN v.is_curtailed_learning_slot THEN NULL
+            WHEN v.exclude_actual_for_learning THEN NULL
             WHEN slot.avg_actual_w IS NOT NULL
                  AND slot.avg_actual_w > 0
             THEN ROUND(
@@ -85,21 +85,34 @@ BEGIN
                           AND l.new_state IS FALSE
                     )
                 )
-            ) AS is_curtailed_learning_slot
+            ) AS is_curtailed_learning_slot,
+            EXISTS (
+                SELECT 1
+                FROM ems.telemetry_inverter ti_d
+                WHERE ti_d.site_id = fpr.site_id
+                  AND ti_d.measured_at >= fpi.interval_start
+                  AND ti_d.measured_at < fpi.interval_start + INTERVAL '15 minutes'
+                  AND (
+                    coalesce(ti_d.is_export_limited, false) IS TRUE
+                    OR (ti_d.pv_derating_flags IS NOT NULL AND ti_d.pv_derating_flags <> 0)
+                  )
+            ) AS is_telemetry_derated_slot
     ) flags ON true
     LEFT JOIN LATERAL (
         SELECT
             CASE
                 WHEN flags.before_learn_cutoff THEN false
                 WHEN flags.is_curtailed_learning_slot THEN false
+                WHEN flags.is_telemetry_derated_slot THEN false
                 ELSE true
             END AS learning_eligible,
             CASE
                 WHEN flags.before_learn_cutoff THEN 'before_delta_learn_min'
+                WHEN flags.is_telemetry_derated_slot THEN 'telemetry_derating'
                 WHEN flags.is_curtailed_learning_slot THEN 'curtailment_or_export_cutoff'
                 ELSE NULL
             END AS learning_exclude_reason,
-            flags.is_curtailed_learning_slot
+            (flags.is_curtailed_learning_slot OR flags.is_telemetry_derated_slot) AS exclude_actual_for_learning
     ) v ON true
     LEFT JOIN LATERAL (
         SELECT AVG(
@@ -133,7 +146,8 @@ $$;
 COMMENT ON FUNCTION ems.fn_fill_forecast_accuracy(INT, INT) IS
 'Doplní skutečné hodnoty výroby do forecast_accuracy z telemetrie.
 learning_eligible / learning_exclude_reason: před delta_learn_min_ts (kalibrace site) se nepočítá do učení delty;
-po pv_curtailment_policy_effective_from sloty s curtailment / gen cutoff / cutoff_switch_log (export off) mají NULL actual a jsou vyloučeny z učení.
+po pv_curtailment_policy_effective_from sloty s curtailment / gen cutoff / cutoff_switch_log (export off) mají NULL actual a jsou vyloučeny z učení;
+telemetrie: is_export_limited nebo pv_derating_flags <> 0 v okně slotu → stejné vyloučení (telemetry_derating).
 Volat každých 15 minut (spolu s audit_filler) pro inkrementální plnění.
 p_lookback_hours: kolik hodin zpět zpracovat (default 48h pro catch-up).
 Pro první backfill: SELECT ems.fn_fill_forecast_accuracy(2, 8760) -- 1 rok';

db/routines/R__046_fn_site_configuration.sql

@@ -234,6 +234,12 @@ as $fn$
           ),
           '[]'::jsonb
         ),
+        'pv_forecast_calibration',
+        (
+          select to_jsonb(c.*)
+          from ems.site_pv_forecast_calibration c
+          where c.site_id = p_site_id
+        ),
         'operational',
         jsonb_build_object(
           'heartbeat_last_seen',

db/views/R__058_vw_latest_telemetry.sql

@@ -27,7 +27,9 @@ SELECT DISTINCT ON (t.inverter_id)
     t.gen_port_power_w,
     t.batt_charge_today_wh,
     t.batt_discharge_today_wh,
-    t.run_state
+    t.run_state,
+    t.is_export_limited,
+    t.pv_derating_flags
 FROM ems.telemetry_inverter t
 JOIN ems.asset_inverter inv ON inv.id = t.inverter_id
 ORDER BY t.inverter_id, t.measured_at DESC;