fix infeasable na home-01
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@@ -1311,7 +1311,16 @@ def solve_dispatch(
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prob += z_export[t] == 0
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# Ekonomické guardy: ceny v objective nestačí proti maskám / terminal SoC.
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ref_buy_horizon = min(float(s.buy_price) for s in slots)
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# Referenční buy jen z ne-záporných slotů: jinak jeden buy<0 v horizontu označí
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# téměř všechny sloty jako „drahé“ (gi=0 pro dům) → Infeasible (home-01).
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non_negative_buys = [
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float(s.buy_price) for s in slots if float(s.buy_price) >= 0.0
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]
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ref_buy_horizon = (
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min(non_negative_buys)
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if non_negative_buys
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else min(float(s.buy_price) for s in slots)
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)
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min_spread = float(degradation_cost_effective)
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for t in range(T):
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s = slots[t]
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@@ -1339,6 +1348,7 @@ def solve_dispatch(
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skip_pv_store_block = (
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float(s.pv_b_forecast_w) > 0
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and not getattr(grid, "block_export_on_negative_sell", False)
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and sell_t < 0
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)
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if (
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not allow_pre_neg_pv_export
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@@ -1243,6 +1243,48 @@ class AutoPassiveSelfConsumptionTests(unittest.TestCase):
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)
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self.assertEqual(len(results), 2)
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def test_negative_buy_in_horizon_does_not_block_all_grid_import(self) -> None:
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"""Jeden slot buy<0 nesmí z min(buy) udělat všechny sloty expensive_import (gi=0 pro dům)."""
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base = datetime(2026, 5, 22, 13, 15, tzinfo=timezone.utc)
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slots = [
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PlanningSlot(
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interval_start=base + timedelta(minutes=15 * i),
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buy_price=-0.54 if i == 15 else (0.8 + i * 0.05),
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sell_price=-0.06 if i < 3 else 2.0,
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pv_a_forecast_w=0,
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pv_b_forecast_w=max(0, 5000 - i * 100) if i < 25 else 0,
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load_baseline_w=5316 if i < 10 else 3392,
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ev1_connected=False,
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ev2_connected=False,
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allow_charge=(i == 15 or i < 3),
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allow_discharge_export=False,
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charge_acquisition_buy_czk_kwh=0.94,
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future_sell_opportunity_czk_kwh=5.5,
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)
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for i in range(20)
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]
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battery = _battery(uc_wh=64_000.0, min_pct=12.0, arb_pct=20.0)
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battery.planner_terminal_soc_value_factor = 0.0
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battery.planner_discharge_floor_percent = 5.0
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hp = SimpleNamespace(rated_heating_power_w=0, tuv_min_temp_c=45.0, tuv_target_temp_c=55.0)
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grid = SimpleNamespace(max_import_power_w=17_000, max_export_power_w=13_500)
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vehicles = [
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SimpleNamespace(max_charge_power_w=0, battery_capacity_kwh=1.0, default_target_soc_pct=80.0),
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SimpleNamespace(max_charge_power_w=0, battery_capacity_kwh=1.0, default_target_soc_pct=80.0),
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]
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results, _, _ = solve_dispatch(
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slots,
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battery,
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hp,
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grid,
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[None, None],
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vehicles,
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float(battery.soc_max_wh),
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50.0,
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operating_mode="AUTO",
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)
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self.assertEqual(len(results), 20)
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class AutoPassiveNoLoadFollowingDischargeTests(unittest.TestCase):
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"""AUTO bez allow_discharge_export: žádný export do sítě (Deye PASSIVE)."""
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@@ -17,7 +17,7 @@
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- **Load-first (Deye, AUTO):** proměnné `pv_ld` (PV → load+EV+TČ), `pv_sp` (přebytek), `bc_pv` / `bc_gi`. Plná bilance `pv_a + pv_b + gi + bd = load + ev + hp + bc + ge`; `bc_pv + ge_pv ≤ pv_sp`; `gi ≤ load + bc_gi`; mimo `allow_discharge_export`: `bd ≤ load − pv_ld` a **`pv_ld ≥ load − gi − bd`**. Snapshot: `load_first_enabled=true`. Test `LoadFirstDispatchTests`.
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- **Tvrdé výkonové limity site/baterie:** `gi ≤ site_grid_connection.max_import_power_w` (breaker); **`bc_pv + bc_gi ≤ asset_battery.max_charge_power_w`**; **`ge ≤ max_export_power_w`** (proměnná `ge`, platí `ge = ge_pv + ge_bat`); **`bd + ge_bat ≤ asset_battery.max_discharge_power_w`** (vybíjení do domu + export z baterie nesmí současně překročit BMS). Dříve LP dovoloval import+nabíjení a dvojnásobné nabíjení; u prodeje hrozilo současné `bd` a `ge_bat` až 2× max discharge — viz `SitePowerCapTests`.
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- **Hodnota FVE (PV store value):** `ge_pv = 0`, pokud `sell < future_sell_opportunity − degradation` (ne `charge_acquisition` — u fixního KV1 by jinak blokoval export při sell 2 Kč). **Před prvním `sell < 0` v horizontu:** při `sell ≥ 0` smí `ge_pv` až do `pv_sp` (strategie BA81: vyvézt přes poledne, pak nabít z FVE v záporném okně). Výjimka **nucený vent** jen plná baterie. Testy `Home01PvStoreValueTests`, `PreNegativeSellExportTests`.
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- **Drahý nákup → vlastní spotřeba z baterie:** mimo `allow_charge` platí `bd + pv_ld ≥ load_baseline + hp[t]` a `gi ≤ EV + hp[t]` (ne `hp_rated` — jinak infeasible když TČ v slotu neběží). Platí při `buy > min(buy horizontu)` **nebo** `buy > charge_acquisition + degradace`. Testy `AutoPassiveSelfConsumptionTests`, `test_fixed_tariff_expensive_slot_discharges_not_grid_load`, `test_expensive_slot_uses_hp_variable_not_rated`.
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- **Drahý nákup → vlastní spotřeba z baterie:** mimo `allow_charge` platí `bd + pv_ld ≥ load_baseline + hp[t]` a `gi ≤ EV + hp[t]` (ne `hp_rated` — jinak infeasible když TČ v slotu neběží). Referenční buy = **min buy ≥ 0** v horizontu (záporný OTE slot jinak označí všechny sloty jako drahé → `gi=0` pro dům → Infeasible na home-01). Platí při `buy > ref_buy + degradace` **nebo** `buy > charge_acquisition + degradace`. Testy `AutoPassiveSelfConsumptionTests`, `test_negative_buy_in_horizon_does_not_block_all_grid_import`, `test_expensive_slot_uses_hp_variable_not_rated`.
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- **Pole B při sell<0 (home-01):** pokud `block_export_on_negative_sell = false`, LP nesmí vynutit `ge_pv = 0` (přebytek neriťitelného PV B). KV1 s `block_export = true` jen curtail A / nabíjení.
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- **`ref_buy_min` (brána exportu):** `min(buy_price)` horizontu — jen „existuje levný nákup?“, **ne** průměrná cena nabití přes hodiny. Export sloty: `sell > ref_buy_min + degradation` (spot). Viz [`planning-arbitrage-accounting.md`](planning-arbitrage-accounting.md).
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- Pokud `energy_to_fill <= 0` nebo `charge_slot_buffer = 0`: všechny sloty povoleny.
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