implementace Ekonomiky

backend/app/main.py

@@ -15,6 +15,7 @@ import httpx
 from apscheduler.schedulers.asyncio import AsyncIOScheduler
 from app.db_json import record_to_dict
 from app.deps import set_pg_pool
+from app.routers.economics import router as economics_router
 from app.routers.ev import router as ev_router
 from app.routers.full_status import router as full_status_router
 from app.routers.plan import router as plan_router
@@ -423,6 +424,63 @@ async def lifespan(app: FastAPI):
         id="forecast_refresh_2h",
         replace_existing=True,
     )
+
+    async def scheduled_daily_economics_notification() -> None:
+        from services.notification_service import notify_daily_economics
+
+        async with app.state.pg_pool.acquire() as conn:
+            sites = await conn.fetch("SELECT id, code FROM ems.site WHERE active = true")
+            for site in sites:
+                site_id = int(site["id"])
+                site_code = site["code"]
+                try:
+                    row = await conn.fetchrow(
+                        """
+                        SELECT import_kwh, export_kwh,
+                               import_cost_czk, export_revenue_czk,
+                               green_bonus_czk, total_balance_czk,
+                               planned_balance_czk
+                        FROM ems.vw_economics_daily
+                        WHERE site_id = $1
+                          AND day_local = (
+                              CURRENT_DATE AT TIME ZONE 'Europe/Prague' - INTERVAL '1 day'
+                          )::date
+                        """,
+                        site_id,
+                    )
+                    if row is None:
+                        continue
+                    yesterday = (
+                        datetime.now(ZoneInfo("Europe/Prague"))
+                        - timedelta(days=1)
+                    ).strftime("%Y-%m-%d")
+                    await notify_daily_economics(
+                        site_code=site_code,
+                        day=yesterday,
+                        import_kwh=float(row["import_kwh"] or 0),
+                        import_cost=float(row["import_cost_czk"] or 0),
+                        export_kwh=float(row["export_kwh"] or 0),
+                        export_revenue=float(row["export_revenue_czk"] or 0),
+                        green_bonus=float(row["green_bonus_czk"] or 0),
+                        total_balance=float(row["total_balance_czk"] or 0),
+                        planned_balance=float(row["planned_balance_czk"])
+                        if row["planned_balance_czk"] is not None
+                        else None,
+                    )
+                except Exception:
+                    logger.exception(
+                        "scheduled_daily_economics_notification site=%s failed",
+                        site_id,
+                    )
+
+    scheduler.add_job(
+        scheduled_daily_economics_notification,
+        "cron",
+        hour=7,
+        minute=0,
+        id="daily_economics_notification",
+        replace_existing=True,
+    )
     scheduler.start()
 
     telemetry_task = asyncio.create_task(run_telemetry_loop_wrapper(app.state.pg_pool))
@@ -454,6 +512,7 @@ app = FastAPI(title="EMS Platform", lifespan=lifespan)
 app.include_router(plan_router, prefix="/api/v1")
 app.include_router(ev_router, prefix="/api/v1")
 app.include_router(full_status_router, prefix="/api/v1")
+app.include_router(economics_router, prefix="/api/v1")
 
 sites_router = APIRouter(prefix="/api/v1/sites", tags=["sites"])
 

backend/app/routers/economics.py

@@ -0,0 +1,386 @@
+"""REST API – denní ekonomické vyhodnocení provozu."""
+
+from __future__ import annotations
+
+import logging
+from datetime import date, datetime
+from typing import Annotated, Any
+
+import asyncpg
+from fastapi import APIRouter, Depends, HTTPException, Query
+from pydantic import BaseModel
+
+from app.deps import get_pg_pool
+
+router = APIRouter(
+    prefix="/sites/{site_id}/economics",
+    tags=["economics"],
+)
+
+logger = logging.getLogger(__name__)
+
+
+class DailyEconomics(BaseModel):
+    day: date
+    interval_count: int
+    import_kwh: float
+    export_kwh: float
+    pv_kwh: float
+    load_kwh: float
+    self_consumption_kwh: float
+    ev_kwh: float
+    hp_kwh: float
+    import_cost_czk: float
+    export_revenue_czk: float
+    net_cost_czk: float
+    green_bonus_czk: float
+    total_balance_czk: float
+    planned_balance_czk: float | None
+    deviation_cost_czk: float | None
+    is_locked: bool
+
+
+class DailyEconomicsResponse(BaseModel):
+    days: list[DailyEconomics]
+    has_green_bonus: bool
+
+
+class IntervalEconomics(BaseModel):
+    interval_start: str
+    import_kwh: float
+    export_kwh: float
+    dynamic_cost_czk: float | None
+    stored_cost_czk: float | None
+    green_bonus_czk: float | None
+    planned_cost_czk: float | None
+    planned_grid_w: int | None
+    actual_grid_power_w: int | None
+    effective_buy_price: float | None
+    effective_sell_price: float | None
+    planned_buy_price: float | None
+    planned_sell_price: float | None
+    actual_pv_power_w: int | None
+    actual_load_power_w: int | None
+    actual_battery_power_w: int | None
+    actual_battery_soc_pct: float | None
+
+
+class ChartDayPoint(BaseModel):
+    day: date
+    daily_balance_czk: float
+    cumulative_balance_czk: float
+
+
+class LockResponse(BaseModel):
+    locked: bool
+    day: date
+
+
+def _num(val: Any) -> float:
+    if val is None:
+        return 0.0
+    return float(val)
+
+
+async def _check_site(conn: asyncpg.Connection, site_id: int) -> None:
+    ok = await conn.fetchval(
+        "SELECT EXISTS(SELECT 1 FROM ems.site WHERE id = $1)", site_id
+    )
+    if not ok:
+        raise HTTPException(status_code=404, detail="Site not found")
+
+
+async def _has_green_bonus(conn: asyncpg.Connection, site_id: int) -> bool:
+    return bool(
+        await conn.fetchval(
+            """
+            SELECT EXISTS(
+                SELECT 1 FROM ems.asset_pv_array
+                WHERE site_id = $1
+                  AND green_bonus_czk_kwh IS NOT NULL
+            )
+            """,
+            site_id,
+        )
+    )
+
+
+@router.get("/daily", response_model=DailyEconomicsResponse)
+async def get_economics_daily(
+    site_id: int,
+    db: Annotated[asyncpg.Pool, Depends(get_pg_pool)],
+    month: str = Query(
+        ...,
+        description="YYYY-MM (měsíc pro zobrazení)",
+        pattern=r"^\d{4}-\d{2}$",
+    ),
+) -> DailyEconomicsResponse:
+    try:
+        year, mon = month.split("-")
+        month_start = date(int(year), int(mon), 1)
+        if int(mon) == 12:
+            month_end = date(int(year) + 1, 1, 1)
+        else:
+            month_end = date(int(year), int(mon) + 1, 1)
+    except (ValueError, IndexError):
+        raise HTTPException(status_code=400, detail="Invalid month, expected YYYY-MM")
+
+    async with db.acquire() as conn:
+        await _check_site(conn, site_id)
+        has_bonus = await _has_green_bonus(conn, site_id)
+
+        dyn_rows = await conn.fetch(
+            """
+            SELECT * FROM ems.vw_economics_daily
+            WHERE site_id = $1
+              AND day_local >= $2
+              AND day_local < $3
+            ORDER BY day_local
+            """,
+            site_id,
+            month_start,
+            month_end,
+        )
+
+        lock_rows = await conn.fetch(
+            """
+            SELECT * FROM ems.audit_day_lock
+            WHERE site_id = $1
+              AND day_local >= $2
+              AND day_local < $3
+            """,
+            site_id,
+            month_start,
+            month_end,
+        )
+        locks = {r["day_local"]: r for r in lock_rows}
+
+    days: list[DailyEconomics] = []
+    for r in dyn_rows:
+        d = r["day_local"]
+        lock = locks.get(d)
+        if lock:
+            days.append(
+                DailyEconomics(
+                    day=d,
+                    interval_count=r["interval_count"],
+                    import_kwh=_num(r["import_kwh"]),
+                    export_kwh=_num(r["export_kwh"]),
+                    pv_kwh=_num(r["pv_kwh"]),
+                    load_kwh=_num(r["load_kwh"]),
+                    self_consumption_kwh=_num(r["self_consumption_kwh"]),
+                    ev_kwh=_num(r["ev_kwh"]),
+                    hp_kwh=_num(r["hp_kwh"]),
+                    import_cost_czk=_num(lock["import_cost_czk"]),
+                    export_revenue_czk=_num(lock["export_revenue_czk"]),
+                    net_cost_czk=_num(lock["net_cost_czk"]),
+                    green_bonus_czk=_num(lock["green_bonus_czk"]),
+                    total_balance_czk=_num(lock["total_balance_czk"]),
+                    planned_balance_czk=_num(r["planned_balance_czk"]) if r["planned_balance_czk"] is not None else None,
+                    deviation_cost_czk=_num(r["deviation_cost_czk"]) if r["deviation_cost_czk"] is not None else None,
+                    is_locked=True,
+                )
+            )
+        else:
+            days.append(
+                DailyEconomics(
+                    day=d,
+                    interval_count=r["interval_count"],
+                    import_kwh=_num(r["import_kwh"]),
+                    export_kwh=_num(r["export_kwh"]),
+                    pv_kwh=_num(r["pv_kwh"]),
+                    load_kwh=_num(r["load_kwh"]),
+                    self_consumption_kwh=_num(r["self_consumption_kwh"]),
+                    ev_kwh=_num(r["ev_kwh"]),
+                    hp_kwh=_num(r["hp_kwh"]),
+                    import_cost_czk=_num(r["import_cost_czk"]),
+                    export_revenue_czk=_num(r["export_revenue_czk"]),
+                    net_cost_czk=_num(r["net_cost_czk"]),
+                    green_bonus_czk=_num(r["green_bonus_czk"]),
+                    total_balance_czk=_num(r["total_balance_czk"]),
+                    planned_balance_czk=_num(r["planned_balance_czk"]) if r["planned_balance_czk"] is not None else None,
+                    deviation_cost_czk=_num(r["deviation_cost_czk"]) if r["deviation_cost_czk"] is not None else None,
+                    is_locked=False,
+                )
+            )
+
+    return DailyEconomicsResponse(days=days, has_green_bonus=has_bonus)
+
+
+@router.get("/daily/{day}/intervals", response_model=list[IntervalEconomics])
+async def get_economics_intervals(
+    site_id: int,
+    day: date,
+    db: Annotated[asyncpg.Pool, Depends(get_pg_pool)],
+) -> list[IntervalEconomics]:
+    async with db.acquire() as conn:
+        await _check_site(conn, site_id)
+        rows = await conn.fetch(
+            """
+            SELECT *
+            FROM ems.vw_economics_interval
+            WHERE site_id = $1
+              AND date_trunc('day', interval_start AT TIME ZONE 'Europe/Prague')::date = $2
+            ORDER BY interval_start
+            """,
+            site_id,
+            day,
+        )
+
+    return [
+        IntervalEconomics(
+            interval_start=r["interval_start"].isoformat(),
+            import_kwh=_num(r["import_kwh"]),
+            export_kwh=_num(r["export_kwh"]),
+            dynamic_cost_czk=float(r["dynamic_cost_czk"]) if r["dynamic_cost_czk"] is not None else None,
+            stored_cost_czk=float(r["stored_cost_czk"]) if r["stored_cost_czk"] is not None else None,
+            green_bonus_czk=float(r["green_bonus_czk"]) if r["green_bonus_czk"] is not None else None,
+            planned_cost_czk=float(r["planned_cost_czk"]) if r["planned_cost_czk"] is not None else None,
+            planned_grid_w=int(r["planned_grid_w"]) if r["planned_grid_w"] is not None else None,
+            actual_grid_power_w=int(r["actual_grid_power_w"]) if r["actual_grid_power_w"] is not None else None,
+            effective_buy_price=float(r["effective_buy_price_czk_kwh"]) if r["effective_buy_price_czk_kwh"] is not None else None,
+            effective_sell_price=float(r["effective_sell_price_czk_kwh"]) if r["effective_sell_price_czk_kwh"] is not None else None,
+            planned_buy_price=float(r["planned_buy_price"]) if r["planned_buy_price"] is not None else None,
+            planned_sell_price=float(r["planned_sell_price"]) if r["planned_sell_price"] is not None else None,
+            actual_pv_power_w=int(r["actual_pv_power_w"]) if r["actual_pv_power_w"] is not None else None,
+            actual_load_power_w=int(r["actual_load_power_w"]) if r["actual_load_power_w"] is not None else None,
+            actual_battery_power_w=int(r["actual_battery_power_w"]) if r["actual_battery_power_w"] is not None else None,
+            actual_battery_soc_pct=float(r["actual_battery_soc_pct"]) if r["actual_battery_soc_pct"] is not None else None,
+        )
+        for r in rows
+    ]
+
+
+@router.post("/daily/{day}/lock", response_model=LockResponse)
+async def lock_day(
+    site_id: int,
+    day: date,
+    db: Annotated[asyncpg.Pool, Depends(get_pg_pool)],
+) -> LockResponse:
+    async with db.acquire() as conn:
+        await _check_site(conn, site_id)
+
+        row = await conn.fetchrow(
+            """
+            SELECT import_cost_czk, export_revenue_czk, net_cost_czk,
+                   green_bonus_czk, total_balance_czk
+            FROM ems.vw_economics_daily
+            WHERE site_id = $1 AND day_local = $2
+            """,
+            site_id,
+            day,
+        )
+        if row is None:
+            raise HTTPException(
+                status_code=404,
+                detail=f"No economics data for {day.isoformat()}",
+            )
+
+        await conn.execute(
+            """
+            INSERT INTO ems.audit_day_lock
+                (site_id, day_local, import_cost_czk, export_revenue_czk,
+                 net_cost_czk, green_bonus_czk, total_balance_czk)
+            VALUES ($1, $2, $3, $4, $5, $6, $7)
+            ON CONFLICT (site_id, day_local) DO UPDATE SET
+                import_cost_czk    = EXCLUDED.import_cost_czk,
+                export_revenue_czk = EXCLUDED.export_revenue_czk,
+                net_cost_czk       = EXCLUDED.net_cost_czk,
+                green_bonus_czk    = EXCLUDED.green_bonus_czk,
+                total_balance_czk  = EXCLUDED.total_balance_czk,
+                locked_at          = now()
+            """,
+            site_id,
+            day,
+            row["import_cost_czk"],
+            row["export_revenue_czk"],
+            row["net_cost_czk"],
+            row["green_bonus_czk"],
+            row["total_balance_czk"],
+        )
+
+    return LockResponse(locked=True, day=day)
+
+
+@router.delete("/daily/{day}/lock", response_model=LockResponse)
+async def unlock_day(
+    site_id: int,
+    day: date,
+    db: Annotated[asyncpg.Pool, Depends(get_pg_pool)],
+) -> LockResponse:
+    async with db.acquire() as conn:
+        await _check_site(conn, site_id)
+        await conn.execute(
+            "DELETE FROM ems.audit_day_lock WHERE site_id = $1 AND day_local = $2",
+            site_id,
+            day,
+        )
+    return LockResponse(locked=False, day=day)
+
+
+@router.get("/monthly-chart", response_model=list[ChartDayPoint])
+async def get_monthly_chart(
+    site_id: int,
+    db: Annotated[asyncpg.Pool, Depends(get_pg_pool)],
+    month: str = Query(
+        ...,
+        description="YYYY-MM",
+        pattern=r"^\d{4}-\d{2}$",
+    ),
+) -> list[ChartDayPoint]:
+    try:
+        year, mon = month.split("-")
+        month_start = date(int(year), int(mon), 1)
+        if int(mon) == 12:
+            month_end = date(int(year) + 1, 1, 1)
+        else:
+            month_end = date(int(year), int(mon) + 1, 1)
+    except (ValueError, IndexError):
+        raise HTTPException(status_code=400, detail="Invalid month, expected YYYY-MM")
+
+    async with db.acquire() as conn:
+        await _check_site(conn, site_id)
+
+        rows = await conn.fetch(
+            """
+            SELECT day_local, total_balance_czk
+            FROM ems.vw_economics_daily
+            WHERE site_id = $1
+              AND day_local >= $2
+              AND day_local < $3
+            ORDER BY day_local
+            """,
+            site_id,
+            month_start,
+            month_end,
+        )
+
+        lock_rows = await conn.fetch(
+            """
+            SELECT day_local, total_balance_czk
+            FROM ems.audit_day_lock
+            WHERE site_id = $1
+              AND day_local >= $2
+              AND day_local < $3
+            """,
+            site_id,
+            month_start,
+            month_end,
+        )
+        locks = {r["day_local"]: _num(r["total_balance_czk"]) for r in lock_rows}
+
+    points: list[ChartDayPoint] = []
+    cumulative = 0.0
+    for r in rows:
+        d = r["day_local"]
+        balance = locks.get(d, _num(r["total_balance_czk"]))
+        cumulative += balance
+        points.append(
+            ChartDayPoint(
+                day=d,
+                daily_balance_czk=round(balance, 2),
+                cumulative_balance_czk=round(cumulative, 2),
+            )
+        )
+
+    return points

backend/services/notification_service.py

@@ -63,3 +63,33 @@ async def notify_self_sustain_activated(site_code: str, reason: str) -> None:
         f"Důvod: {reason}"
     )
     await send_discord(msg, level="critical")
+
+
+async def notify_daily_economics(
+    site_code: str,
+    day: str,
+    import_kwh: float,
+    import_cost: float,
+    export_kwh: float,
+    export_revenue: float,
+    green_bonus: float,
+    total_balance: float,
+    planned_balance: float | None,
+) -> None:
+    lines = [
+        f"Ekonomika **{site_code}** {day}:",
+        f"  Import: {import_kwh:.1f} kWh = {import_cost:.2f} Kč",
+        f"  Export: {export_kwh:.1f} kWh = {export_revenue:.2f} Kč",
+    ]
+    if green_bonus > 0:
+        lines.append(f"  Zelený bonus: {green_bonus:.2f} Kč")
+    sign = "+" if total_balance >= 0 else ""
+    lines.append(f"  **BILANCE: {sign}{total_balance:.2f} Kč**")
+    if planned_balance is not None:
+        dev = total_balance - planned_balance
+        dev_sign = "+" if dev >= 0 else ""
+        lines.append(
+            f"  Plán předpokládal: {planned_balance:+.2f} Kč "
+            f"(odchylka {dev_sign}{dev:.2f} Kč)"
+        )
+    await send_discord("\n".join(lines), level="info")

db/migration/V032__market_interval_price_primary_key.sql

@@ -16,9 +16,11 @@ SECURITY DEFINER
 SET search_path = pg_catalog, public
 AS $$
 DECLARE
-  hid         integer;
-  chunk_ids   integer[];
-  n           integer;
+  hid           integer;
+  chunk_ids     integer[];
+  n             integer;
+  has_dropped   boolean;
+  q             text;
 BEGIN
   SELECT h.id
   INTO hid
@@ -40,18 +42,39 @@ BEGIN
     PERFORM _timescaledb_functions.remove_dropped_chunk_metadata(hid);
   END IF;
 
-  SELECT coalesce(array_agg(c.id ORDER BY c.id), ARRAY[]::integer[])
-  INTO chunk_ids
-  FROM _timescaledb_catalog.chunk c
-  WHERE c.hypertable_id = hid
-    AND NOT c.dropped
-    AND NOT EXISTS (
-      SELECT 1
-      FROM pg_catalog.pg_class cl
-      JOIN pg_catalog.pg_namespace ns ON ns.oid = cl.relnamespace
-      WHERE ns.nspname = c.schema_name
-        AND cl.relname = c.table_name
-    );
+  -- Sloupec chunk.dropped byl v novějším TimescaleDB odstraněn (metadata dropnutých chunků se maže).
+  SELECT EXISTS (
+    SELECT 1
+    FROM pg_catalog.pg_attribute a
+    JOIN pg_catalog.pg_class r ON r.oid = a.attrelid
+    JOIN pg_catalog.pg_namespace n ON n.oid = r.relnamespace
+    WHERE n.nspname = '_timescaledb_catalog'
+      AND r.relname = 'chunk'
+      AND a.attname = 'dropped'
+      AND a.attnum > 0
+      AND NOT a.attisdropped
+  )
+  INTO has_dropped;
+
+  q := format(
+    $fmt$
+    SELECT coalesce(array_agg(c.id ORDER BY c.id), ARRAY[]::integer[])
+    FROM _timescaledb_catalog.chunk c
+    WHERE c.hypertable_id = %s
+      %s
+      AND NOT EXISTS (
+        SELECT 1
+        FROM pg_catalog.pg_class cl
+        JOIN pg_catalog.pg_namespace ns ON ns.oid = cl.relnamespace
+        WHERE ns.nspname = c.schema_name
+          AND cl.relname = c.table_name
+      )
+    $fmt$,
+    hid,
+    CASE WHEN has_dropped THEN 'AND NOT c.dropped' ELSE '' END
+  );
+
+  EXECUTE q INTO chunk_ids;
 
   n := coalesce(array_length(chunk_ids, 1), 0);
   IF n = 0 THEN

db/migration/V036__pv_array_telemetry_source.sql

@@ -0,0 +1,18 @@
+-- =============================================================
+-- V036 – asset_pv_array.telemetry_source
+-- Explicitní mapování FVE pole → sloupec v telemetry_inverter.
+-- =============================================================
+
+ALTER TABLE ems.asset_pv_array
+    ADD COLUMN IF NOT EXISTS telemetry_source TEXT;
+
+COMMENT ON COLUMN ems.asset_pv_array.telemetry_source IS
+'Který sloupec v telemetry_inverter odpovídá tomuto poli.
+ gen_port   = gen_port_power_w (AC-coupled pole na GEN portu),
+ pv_strings = pv1_power_w + pv2_power_w (DC stringy na MPPT),
+ pv_total   = pv_power_w (souhrnné, pokud pole nelze rozlišit).
+ NULL = pole nemá přímou telemetrii (fallback na forecast).';
+
+-- Seed pro referenční site home-01:
+UPDATE ems.asset_pv_array SET telemetry_source = 'pv_strings' WHERE code = 'pv-a';
+UPDATE ems.asset_pv_array SET telemetry_source = 'gen_port'   WHERE code = 'pv-b';

db/migration/V037__audit_day_lock.sql

@@ -0,0 +1,23 @@
+-- =============================================================
+-- V037 – audit_day_lock
+-- Zamknuté (finalizované) denní ekonomické výsledky.
+-- =============================================================
+
+CREATE TABLE ems.audit_day_lock (
+    site_id            INT  NOT NULL REFERENCES ems.site(id),
+    day_local          DATE NOT NULL,
+    import_cost_czk    NUMERIC(12,2) NOT NULL,
+    export_revenue_czk NUMERIC(12,2) NOT NULL,
+    net_cost_czk       NUMERIC(12,2) NOT NULL,
+    green_bonus_czk    NUMERIC(12,2) NOT NULL DEFAULT 0,
+    total_balance_czk  NUMERIC(12,2) NOT NULL,
+    locked_at          TIMESTAMPTZ NOT NULL DEFAULT now(),
+    locked_by          TEXT NOT NULL DEFAULT 'user',
+    notes              TEXT,
+    PRIMARY KEY (site_id, day_local)
+);
+
+COMMENT ON TABLE ems.audit_day_lock IS
+'Zamknuté (finalizované) denní ekonomické výsledky.
+ Když řádek existuje, frontend zobrazí tyto hodnoty místo dynamických z vw_economics_daily.
+ Uživatel zamkne den, až má jistotu o cenách – snapshot aktuálních dynamických hodnot.';

db/routines/R__fn_fill_audit_interval.sql

@@ -92,24 +92,49 @@ BEGIN
                                 ELSE COALESCE(v_sell_price, 0) END;
     END IF;
 
-    -- Zelený bonus: výroba bonusových polí z poslední ok predikce pro slot (Wh = W × 0,25 h)
+    -- Zelený bonus: výroba bonusových polí z reálné telemetrie (Wh = průměr W × 0,25 h)
     v_pv_b_production_wh := NULL;
     FOR r_bonus IN
-        SELECT id
-        FROM ems.asset_pv_array
-        WHERE site_id = p_site_id
-          AND green_bonus_czk_kwh IS NOT NULL
+        SELECT pa.id, pa.inverter_id, pa.telemetry_source
+        FROM ems.asset_pv_array pa
+        WHERE pa.site_id = p_site_id
+          AND pa.green_bonus_czk_kwh IS NOT NULL
+          AND pa.green_bonus_valid_from <= p_interval_start::DATE
+          AND (pa.green_bonus_valid_to IS NULL
+               OR pa.green_bonus_valid_to > p_interval_start::DATE)
     LOOP
-        SELECT fpi.power_w * 0.25
-        INTO v_array_prod_wh
-        FROM ems.forecast_pv_interval fpi
-        JOIN ems.forecast_pv_run fpr ON fpr.id = fpi.run_id
-        WHERE fpr.site_id = p_site_id
-          AND fpr.pv_array_id = r_bonus.id
-          AND fpi.interval_start = p_interval_start
-          AND fpr.status = 'ok'
-        ORDER BY fpr.created_at DESC
-        LIMIT 1;
+        v_array_prod_wh := NULL;
+
+        IF r_bonus.telemetry_source IS NOT NULL AND r_bonus.inverter_id IS NOT NULL THEN
+            SELECT AVG(
+                CASE r_bonus.telemetry_source
+                    WHEN 'gen_port'   THEN ti.gen_port_power_w
+                    WHEN 'pv_strings' THEN COALESCE(ti.pv1_power_w, 0)
+                                           + COALESCE(ti.pv2_power_w, 0)
+                    WHEN 'pv_total'   THEN ti.pv_power_w
+                    ELSE NULL
+                END
+            )::NUMERIC * 0.25
+            INTO v_array_prod_wh
+            FROM ems.telemetry_inverter ti
+            WHERE ti.inverter_id = r_bonus.inverter_id
+              AND ti.measured_at >= p_interval_start
+              AND ti.measured_at < v_interval_end;
+        END IF;
+
+        -- Fallback na forecast pokud telemetrie není k dispozici
+        IF v_array_prod_wh IS NULL THEN
+            SELECT fpi.power_w * 0.25
+            INTO v_array_prod_wh
+            FROM ems.forecast_pv_interval fpi
+            JOIN ems.forecast_pv_run fpr ON fpr.id = fpi.run_id
+            WHERE fpr.site_id = p_site_id
+              AND fpr.pv_array_id = r_bonus.id
+              AND fpi.interval_start = p_interval_start
+              AND fpr.status = 'ok'
+            ORDER BY fpr.created_at DESC
+            LIMIT 1;
+        END IF;
 
         v_array_prod_wh := COALESCE(v_array_prod_wh, 0);
         IF v_pv_b_production_wh IS NULL THEN
@@ -175,7 +200,8 @@ $$;
 COMMENT ON FUNCTION ems.fn_fill_audit_interval(INT, TIMESTAMPTZ) IS
 'Naplní nebo aktualizuje jeden řádek v audit_interval pro danou lokalitu a 15min interval.
 Agreguje průměry z telemetrie (střídač, EV, TČ), porovná se skutečným plánem a spočítá odchylky.
-Zelený bonus: součet přes všechna pole s nastaveným bonusem, výroba z poslední ok forecast_pv_interval.
+Zelený bonus: součet přes pole s green_bonus_czk_kwh; výroba primárně z reálné telemetrie
+(dle asset_pv_array.telemetry_source), fallback na forecast_pv_interval pokud telemetrie chybí.
 Volat každých 15 minut pro interval který právě skončil.';
 
 -- ============================================================

db/views/R__vw_site_effective_price_economics.sql

@@ -0,0 +1,75 @@
+-- =============================================================
+-- R__vw_site_effective_price_economics.sql
+-- EMS Platform – ekonomické views (závisí na vw_site_effective_price)
+-- Musí běžet až PO R__vw_site_effective_price.sql (abecední pořadí Flyway).
+-- Repeatable migration
+-- =============================================================
+
+CREATE OR REPLACE VIEW ems.vw_economics_interval AS
+SELECT
+    ai.site_id,
+    ai.interval_start,
+    ROUND(GREATEST(ai.actual_grid_power_w, 0)::NUMERIC / 4000, 4)       AS import_kwh,
+    ROUND(ABS(LEAST(ai.actual_grid_power_w, 0))::NUMERIC / 4000, 4)     AS export_kwh,
+    CASE WHEN ai.actual_grid_power_w >= 0
+        THEN ROUND((ai.actual_grid_power_w::NUMERIC / 4000)
+             * COALESCE(ep.effective_buy_price_czk_kwh, 0), 4)
+        ELSE ROUND((ai.actual_grid_power_w::NUMERIC / 4000)
+             * COALESCE(ep.effective_sell_price_czk_kwh, 0), 4)
+    END                                                                   AS dynamic_cost_czk,
+    ai.actual_cost_czk                                                    AS stored_cost_czk,
+    ai.green_bonus_czk,
+    pi.expected_cost_czk                                                  AS planned_cost_czk,
+    pi.grid_setpoint_w                                                    AS planned_grid_w,
+    ai.actual_grid_power_w,
+    ep.effective_buy_price_czk_kwh,
+    ep.effective_sell_price_czk_kwh,
+    pi.effective_buy_price                                                AS planned_buy_price,
+    pi.effective_sell_price                                               AS planned_sell_price,
+    ai.actual_pv_power_w,
+    ai.actual_load_power_w,
+    ai.actual_ev_power_w,
+    ai.actual_heat_pump_power_w,
+    ai.actual_battery_power_w,
+    ai.actual_battery_soc_pct
+FROM ems.audit_interval ai
+LEFT JOIN ems.vw_site_effective_price ep
+    ON ep.site_id = ai.site_id AND ep.interval_start = ai.interval_start
+LEFT JOIN ems.planning_interval pi
+    ON pi.run_id = ai.planning_run_id AND pi.interval_start = ai.interval_start;
+
+COMMENT ON VIEW ems.vw_economics_interval IS
+'Dynamické ekonomické vyhodnocení per 15min slot (závisí na vw_site_effective_price).';
+
+CREATE OR REPLACE VIEW ems.vw_economics_daily AS
+SELECT
+    site_id,
+    date_trunc('day', interval_start AT TIME ZONE 'Europe/Prague')::date AS day_local,
+    COUNT(*)::int                                                         AS interval_count,
+    ROUND(SUM(import_kwh), 3)                                            AS import_kwh,
+    ROUND(SUM(export_kwh), 3)                                            AS export_kwh,
+    ROUND(SUM(GREATEST(actual_pv_power_w, 0)::NUMERIC / 4000), 3)       AS pv_kwh,
+    ROUND(SUM(GREATEST(actual_load_power_w, 0)::NUMERIC / 4000), 3)     AS load_kwh,
+    ROUND(SUM(GREATEST(actual_ev_power_w, 0)::NUMERIC / 4000), 3)       AS ev_kwh,
+    ROUND(SUM(GREATEST(actual_heat_pump_power_w, 0)::NUMERIC / 4000), 3) AS hp_kwh,
+    ROUND(SUM(GREATEST(actual_pv_power_w, 0)::NUMERIC / 4000)
+        - SUM(export_kwh), 3)                                            AS self_consumption_kwh,
+    ROUND(SUM(CASE WHEN dynamic_cost_czk > 0
+              THEN dynamic_cost_czk ELSE 0 END), 2)                      AS import_cost_czk,
+    ROUND(SUM(CASE WHEN dynamic_cost_czk < 0
+              THEN ABS(dynamic_cost_czk) ELSE 0 END), 2)                 AS export_revenue_czk,
+    ROUND(SUM(dynamic_cost_czk), 2)                                      AS net_cost_czk,
+    ROUND(COALESCE(SUM(green_bonus_czk), 0), 2)                         AS green_bonus_czk,
+    ROUND(-SUM(dynamic_cost_czk)
+        + COALESCE(SUM(green_bonus_czk), 0), 2)                         AS total_balance_czk,
+    ROUND(SUM(planned_cost_czk), 2)                                      AS planned_net_cost_czk,
+    ROUND(-COALESCE(SUM(planned_cost_czk), 0)
+        + COALESCE(SUM(green_bonus_czk), 0), 2)                         AS planned_balance_czk,
+    ROUND(SUM(dynamic_cost_czk)
+        - COALESCE(SUM(planned_cost_czk), 0), 2)                        AS deviation_cost_czk
+FROM ems.vw_economics_interval
+GROUP BY site_id,
+         date_trunc('day', interval_start AT TIME ZONE 'Europe/Prague')::date;
+
+COMMENT ON VIEW ems.vw_economics_daily IS
+'Denní souhrn ekonomiky (závisí na vw_economics_interval).';

frontend/src/App.tsx

@@ -3,6 +3,7 @@ import { NavLink, Outlet, Route, Routes } from 'react-router-dom'
 
 import { useWsLogErrorCount } from './hooks/useWsLogErrorCount'
 import { Dashboard } from './pages/Dashboard'
+import Economics from './pages/Economics'
 import { Logs } from './pages/Logs'
 import Planning from './pages/Planning'
 import { Settings } from './pages/Settings'
@@ -25,6 +26,9 @@ function AppLayout() {
           <NavLink to="/planning" className={tabClass}>
             Plánování
           </NavLink>
+          <NavLink to="/economics" className={tabClass}>
+            Ekonomika
+          </NavLink>
           <NavLink to="/settings" className={tabClass}>
             Nastavení
           </NavLink>
@@ -55,6 +59,7 @@ export default function App() {
       <Route element={<AppLayout />}>
         <Route index element={<Dashboard />} />
         <Route path="planning" element={<Planning />} />
+        <Route path="economics" element={<Economics />} />
         <Route path="settings" element={<Settings />} />
       </Route>
       <Route path="logs" element={<Logs />} />

frontend/src/components/charts/EconomicsChart.tsx

@@ -0,0 +1,123 @@
+import {
+  Bar,
+  CartesianGrid,
+  Cell,
+  ComposedChart,
+  Line,
+  ReferenceLine,
+  ResponsiveContainer,
+  Tooltip,
+  XAxis,
+  YAxis,
+} from 'recharts'
+import type { ChartDayPoint } from '../../types/economics'
+
+type Props = {
+  points: ChartDayPoint[]
+}
+
+const GREEN = '#22c55e'
+const RED = '#ef4444'
+const BLUE = '#3b82f6'
+
+function formatDay(iso: string): string {
+  const d = new Date(iso + 'T00:00:00')
+  return `${d.getDate()}.`
+}
+
+type PayloadEntry = {
+  name?: string
+  value?: number
+  color?: string
+}
+
+function CustomTooltip({
+  active,
+  payload,
+  label,
+}: {
+  active?: boolean
+  payload?: PayloadEntry[]
+  label?: string
+}) {
+  if (!active || !payload?.length || !label) return null
+  const balance = payload.find((p) => p.name === 'daily_balance_czk')
+  const cumulative = payload.find((p) => p.name === 'cumulative_balance_czk')
+  return (
+    <div className="rounded-lg border border-slate-700 bg-slate-800 px-3 py-2 text-xs shadow-lg">
+      <p className="mb-1 font-medium text-slate-200">{label}</p>
+      {balance && (
+        <p style={{ color: (balance.value ?? 0) >= 0 ? GREEN : RED }}>
+          Den: {(balance.value ?? 0) >= 0 ? '+' : ''}
+          {(balance.value ?? 0).toFixed(2)} Kč
+        </p>
+      )}
+      {cumulative && (
+        <p style={{ color: BLUE }}>
+          Kumulativ: {(cumulative.value ?? 0) >= 0 ? '+' : ''}
+          {(cumulative.value ?? 0).toFixed(2)} Kč
+        </p>
+      )}
+    </div>
+  )
+}
+
+export function EconomicsChart({ points }: Props) {
+  if (points.length === 0) {
+    return (
+      <div className="flex h-64 items-center justify-center text-sm text-slate-500">
+        Žádná data pro tento měsíc
+      </div>
+    )
+  }
+
+  const data = points.map((p) => ({
+    ...p,
+    label: formatDay(p.day),
+  }))
+
+  return (
+    <ResponsiveContainer width="100%" height={320}>
+      <ComposedChart data={data} margin={{ top: 8, right: 16, bottom: 4, left: 0 }}>
+        <CartesianGrid strokeDasharray="3 3" stroke="#334155" />
+        <XAxis dataKey="label" tick={{ fontSize: 11, fill: '#94a3b8' }} />
+        <YAxis
+          yAxisId="left"
+          tick={{ fontSize: 11, fill: '#94a3b8' }}
+          label={{
+            value: 'Kč/den',
+            angle: -90,
+            position: 'insideLeft',
+            style: { fontSize: 11, fill: '#94a3b8' },
+          }}
+        />
+        <YAxis
+          yAxisId="right"
+          orientation="right"
+          tick={{ fontSize: 11, fill: BLUE }}
+          label={{
+            value: 'Kumulativ Kč',
+            angle: 90,
+            position: 'insideRight',
+            style: { fontSize: 11, fill: BLUE },
+          }}
+        />
+        <Tooltip content={<CustomTooltip />} />
+        <ReferenceLine yAxisId="left" y={0} stroke="#475569" strokeDasharray="2 2" />
+        <Bar yAxisId="left" dataKey="daily_balance_czk" radius={[3, 3, 0, 0]} maxBarSize={32}>
+          {data.map((entry, idx) => (
+            <Cell key={idx} fill={entry.daily_balance_czk >= 0 ? GREEN : RED} fillOpacity={0.8} />
+          ))}
+        </Bar>
+        <Line
+          yAxisId="right"
+          type="monotone"
+          dataKey="cumulative_balance_czk"
+          stroke={BLUE}
+          strokeWidth={2}
+          dot={{ r: 3, fill: BLUE }}
+        />
+      </ComposedChart>
+    </ResponsiveContainer>
+  )
+}

frontend/src/hooks/useEconomics.ts

@@ -0,0 +1,112 @@
+import { useCallback, useEffect, useState } from 'react'
+import { backendClient } from '../api/backend'
+import type {
+  ChartDayPoint,
+  DailyEconomics,
+  DailyEconomicsResponse,
+  IntervalEconomics,
+  LockResponse,
+} from '../types/economics'
+
+export function useEconomicsDaily(siteId: number | null, month: string) {
+  const [days, setDays] = useState<DailyEconomics[]>([])
+  const [hasGreenBonus, setHasGreenBonus] = useState(false)
+  const [loading, setLoading] = useState(false)
+  const [error, setError] = useState<string | null>(null)
+
+  const load = useCallback(async () => {
+    if (siteId == null || !month) return
+    setLoading(true)
+    setError(null)
+    try {
+      const { data } = await backendClient.get<DailyEconomicsResponse>(
+        `/sites/${siteId}/economics/daily`,
+        { params: { month }, timeout: 30_000 },
+      )
+      setDays(data.days ?? [])
+      setHasGreenBonus(data.has_green_bonus ?? false)
+    } catch {
+      setDays([])
+      setError('Nepodařilo se načíst ekonomiku')
+    } finally {
+      setLoading(false)
+    }
+  }, [siteId, month])
+
+  useEffect(() => {
+    void load()
+  }, [load])
+
+  return { days, hasGreenBonus, loading, error, reload: load }
+}
+
+export function useEconomicsIntervals(siteId: number | null, day: string | null) {
+  const [intervals, setIntervals] = useState<IntervalEconomics[]>([])
+  const [loading, setLoading] = useState(false)
+
+  const load = useCallback(async () => {
+    if (siteId == null || !day) {
+      setIntervals([])
+      return
+    }
+    setLoading(true)
+    try {
+      const { data } = await backendClient.get<IntervalEconomics[]>(
+        `/sites/${siteId}/economics/daily/${day}/intervals`,
+        { timeout: 30_000 },
+      )
+      setIntervals(Array.isArray(data) ? data : [])
+    } catch {
+      setIntervals([])
+    } finally {
+      setLoading(false)
+    }
+  }, [siteId, day])
+
+  useEffect(() => {
+    void load()
+  }, [load])
+
+  return { intervals, loading }
+}
+
+export function useEconomicsChart(siteId: number | null, month: string) {
+  const [points, setPoints] = useState<ChartDayPoint[]>([])
+  const [loading, setLoading] = useState(false)
+
+  const load = useCallback(async () => {
+    if (siteId == null || !month) return
+    setLoading(true)
+    try {
+      const { data } = await backendClient.get<ChartDayPoint[]>(
+        `/sites/${siteId}/economics/monthly-chart`,
+        { params: { month }, timeout: 30_000 },
+      )
+      setPoints(Array.isArray(data) ? data : [])
+    } catch {
+      setPoints([])
+    } finally {
+      setLoading(false)
+    }
+  }, [siteId, month])
+
+  useEffect(() => {
+    void load()
+  }, [load])
+
+  return { points, loading }
+}
+
+export async function lockDay(siteId: number, day: string): Promise<LockResponse> {
+  const { data } = await backendClient.post<LockResponse>(
+    `/sites/${siteId}/economics/daily/${day}/lock`,
+  )
+  return data
+}
+
+export async function unlockDay(siteId: number, day: string): Promise<LockResponse> {
+  const { data } = await backendClient.delete<LockResponse>(
+    `/sites/${siteId}/economics/daily/${day}/lock`,
+  )
+  return data
+}

frontend/src/pages/Economics.tsx

@@ -0,0 +1,344 @@
+import { ChevronDown, ChevronLeft, ChevronRight, ChevronUp, Lock, Unlock } from 'lucide-react'
+import { useCallback, useMemo, useState } from 'react'
+import { toast } from 'sonner'
+
+import { EconomicsChart } from '../components/charts/EconomicsChart'
+import {
+  lockDay,
+  unlockDay,
+  useEconomicsChart,
+  useEconomicsDaily,
+  useEconomicsIntervals,
+} from '../hooks/useEconomics'
+import { pragueCalendarDay } from '../lib/pragueDate'
+import type { DailyEconomics } from '../types/economics'
+
+const SITE_ID = 1
+
+function currentMonth(): string {
+  const today = pragueCalendarDay()
+  return today.slice(0, 7)
+}
+
+function monthLabel(ym: string): string {
+  const [y, m] = ym.split('-').map(Number)
+  const names = [
+    'Leden', 'Únor', 'Březen', 'Duben', 'Květen', 'Červen',
+    'Červenec', 'Srpen', 'Září', 'Říjen', 'Listopad', 'Prosinec',
+  ]
+  return `${names[m - 1]} ${y}`
+}
+
+function shiftMonth(ym: string, delta: number): string {
+  const [y, m] = ym.split('-').map(Number)
+  const d = new Date(y, m - 1 + delta, 1)
+  return `${d.getFullYear()}-${String(d.getMonth() + 1).padStart(2, '0')}`
+}
+
+function fmtDay(iso: string): string {
+  const d = new Date(iso + 'T00:00:00')
+  return d.toLocaleDateString('cs-CZ', { weekday: 'short', day: 'numeric', month: 'numeric' })
+}
+
+function fmtTime(iso: string): string {
+  const d = new Date(iso)
+  return d.toLocaleTimeString('cs-CZ', { hour: '2-digit', minute: '2-digit', timeZone: 'Europe/Prague' })
+}
+
+function czk(v: number | null | undefined, decimals = 2): string {
+  if (v == null) return '–'
+  const sign = v > 0 ? '+' : ''
+  return `${sign}${v.toFixed(decimals)}`
+}
+
+function kwh(v: number | null | undefined): string {
+  if (v == null) return '–'
+  return v.toFixed(1)
+}
+
+function balanceColor(v: number): string {
+  if (v > 0) return 'text-green-400'
+  if (v < 0) return 'text-red-400'
+  return 'text-slate-400'
+}
+
+function IntervalDetail({ siteId, day, hasGreenBonus }: { siteId: number; day: string; hasGreenBonus: boolean }) {
+  const { intervals, loading } = useEconomicsIntervals(siteId, day)
+
+  if (loading) {
+    return <div className="py-3 text-center text-xs text-slate-500">Načítání intervalů…</div>
+  }
+
+  if (intervals.length === 0) {
+    return <div className="py-3 text-center text-xs text-slate-500">Žádné intervaly</div>
+  }
+
+  return (
+    <div className="overflow-x-auto">
+      <table className="w-full text-xs">
+        <thead>
+          <tr className="border-b border-slate-700 text-slate-400">
+            <th className="px-2 py-1 text-left">Čas</th>
+            <th className="px-2 py-1 text-right">Import kWh</th>
+            <th className="px-2 py-1 text-right">Export kWh</th>
+            <th className="px-2 py-1 text-right">Náklad Kč</th>
+            <th className="px-2 py-1 text-right">Cena nákup</th>
+            <th className="px-2 py-1 text-right">Cena prodej</th>
+            {hasGreenBonus && <th className="px-2 py-1 text-right">Bonus Kč</th>}
+            <th className="px-2 py-1 text-right">Plán grid W</th>
+            <th className="px-2 py-1 text-right">Skuteč. grid W</th>
+            <th className="px-2 py-1 text-right">Plán náklad</th>
+          </tr>
+        </thead>
+        <tbody>
+          {intervals.map((iv) => (
+            <tr key={iv.interval_start} className="border-b border-slate-800 hover:bg-slate-800/40">
+              <td className="px-2 py-1 text-slate-300">{fmtTime(iv.interval_start)}</td>
+              <td className="px-2 py-1 text-right">{kwh(iv.import_kwh)}</td>
+              <td className="px-2 py-1 text-right">{kwh(iv.export_kwh)}</td>
+              <td className={`px-2 py-1 text-right font-medium ${iv.dynamic_cost_czk != null ? balanceColor(-iv.dynamic_cost_czk) : ''}`}>
+                {iv.dynamic_cost_czk != null ? iv.dynamic_cost_czk.toFixed(2) : '–'}
+              </td>
+              <td className="px-2 py-1 text-right text-slate-400">
+                {iv.effective_buy_price != null ? iv.effective_buy_price.toFixed(2) : '–'}
+              </td>
+              <td className="px-2 py-1 text-right text-slate-400">
+                {iv.effective_sell_price != null ? iv.effective_sell_price.toFixed(2) : '–'}
+              </td>
+              {hasGreenBonus && (
+                <td className="px-2 py-1 text-right text-amber-400">
+                  {iv.green_bonus_czk != null && iv.green_bonus_czk > 0
+                    ? iv.green_bonus_czk.toFixed(2)
+                    : '–'}
+                </td>
+              )}
+              <td className="px-2 py-1 text-right text-slate-400">
+                {iv.planned_grid_w ?? '–'}
+              </td>
+              <td className="px-2 py-1 text-right">
+                {iv.actual_grid_power_w ?? '–'}
+              </td>
+              <td className="px-2 py-1 text-right text-slate-400">
+                {iv.planned_cost_czk != null ? iv.planned_cost_czk.toFixed(2) : '–'}
+              </td>
+            </tr>
+          ))}
+        </tbody>
+      </table>
+    </div>
+  )
+}
+
+function DailyRow({
+  row,
+  hasGreenBonus,
+  siteId,
+  expanded,
+  onToggle,
+  onLockToggle,
+}: {
+  row: DailyEconomics
+  hasGreenBonus: boolean
+  siteId: number
+  expanded: boolean
+  onToggle: () => void
+  onLockToggle: () => void
+}) {
+  return (
+    <>
+      <tr
+        className="cursor-pointer border-b border-slate-800 transition hover:bg-slate-800/50"
+        onClick={onToggle}
+      >
+        <td className="px-3 py-2 text-sm text-slate-200">
+          <span className="mr-1 inline-block w-4">
+            {expanded ? <ChevronUp size={14} /> : <ChevronDown size={14} />}
+          </span>
+          {fmtDay(row.day)}
+        </td>
+        <td className="px-3 py-2 text-right text-sm">{kwh(row.import_kwh)}</td>
+        <td className="px-3 py-2 text-right text-sm">{kwh(row.export_kwh)}</td>
+        <td className="px-3 py-2 text-right text-sm text-slate-400">{kwh(row.self_consumption_kwh)}</td>
+        <td className="px-3 py-2 text-right text-sm text-red-400">{row.import_cost_czk.toFixed(2)}</td>
+        <td className="px-3 py-2 text-right text-sm text-green-400">{row.export_revenue_czk.toFixed(2)}</td>
+        {hasGreenBonus && (
+          <td className="px-3 py-2 text-right text-sm text-amber-400">
+            {row.green_bonus_czk > 0 ? row.green_bonus_czk.toFixed(2) : '–'}
+          </td>
+        )}
+        <td className={`px-3 py-2 text-right text-sm font-semibold ${balanceColor(row.total_balance_czk)}`}>
+          {czk(row.total_balance_czk)}
+        </td>
+        <td className="px-3 py-2 text-right text-sm text-slate-400">
+          {row.planned_balance_czk != null ? czk(row.planned_balance_czk) : '–'}
+        </td>
+        <td className={`px-3 py-2 text-right text-sm ${row.deviation_cost_czk != null ? balanceColor(-row.deviation_cost_czk) : ''}`}>
+          {row.deviation_cost_czk != null ? czk(row.deviation_cost_czk) : '–'}
+        </td>
+        <td className="px-2 py-2 text-center">
+          <button
+            onClick={(e) => {
+              e.stopPropagation()
+              onLockToggle()
+            }}
+            className="rounded p-1 transition hover:bg-slate-700"
+            title={row.is_locked ? 'Odemknout den' : 'Zamknout den'}
+          >
+            {row.is_locked ? (
+              <Lock size={14} className="text-amber-400" />
+            ) : (
+              <Unlock size={14} className="text-slate-500" />
+            )}
+          </button>
+        </td>
+      </tr>
+      {expanded && (
+        <tr>
+          <td colSpan={hasGreenBonus ? 11 : 10} className="bg-slate-900/50 px-4 py-2">
+            <IntervalDetail siteId={siteId} day={row.day} hasGreenBonus={hasGreenBonus} />
+          </td>
+        </tr>
+      )}
+    </>
+  )
+}
+
+export default function Economics() {
+  const [month, setMonth] = useState(currentMonth)
+  const [expandedDay, setExpandedDay] = useState<string | null>(null)
+
+  const { days, hasGreenBonus, loading, error, reload } = useEconomicsDaily(SITE_ID, month)
+  const { points } = useEconomicsChart(SITE_ID, month)
+
+  const summary = useMemo(() => {
+    if (days.length === 0) return null
+    return {
+      import_cost: days.reduce((s, d) => s + d.import_cost_czk, 0),
+      export_revenue: days.reduce((s, d) => s + d.export_revenue_czk, 0),
+      green_bonus: days.reduce((s, d) => s + d.green_bonus_czk, 0),
+      total_balance: days.reduce((s, d) => s + d.total_balance_czk, 0),
+    }
+  }, [days])
+
+  const handleLockToggle = useCallback(
+    async (row: DailyEconomics) => {
+      try {
+        if (row.is_locked) {
+          await unlockDay(SITE_ID, row.day)
+          toast.success(`Den ${row.day} odemčen`)
+        } else {
+          await lockDay(SITE_ID, row.day)
+          toast.success(`Den ${row.day} zamčen`)
+        }
+        reload()
+      } catch {
+        toast.error('Operace se nezdařila')
+      }
+    },
+    [reload],
+  )
+
+  return (
+    <main className="mx-auto max-w-7xl space-y-6 px-4 py-6 md:px-8">
+      {/* Month selector */}
+      <div className="flex items-center gap-4">
+        <button
+          onClick={() => setMonth((m) => shiftMonth(m, -1))}
+          className="rounded-lg p-2 text-slate-400 transition hover:bg-slate-800 hover:text-white"
+        >
+          <ChevronLeft size={20} />
+        </button>
+        <h1 className="min-w-[180px] text-center text-lg font-semibold text-white">
+          {monthLabel(month)}
+        </h1>
+        <button
+          onClick={() => setMonth((m) => shiftMonth(m, 1))}
+          className="rounded-lg p-2 text-slate-400 transition hover:bg-slate-800 hover:text-white"
+        >
+          <ChevronRight size={20} />
+        </button>
+      </div>
+
+      {/* Summary cards */}
+      {summary && (
+        <div className="grid grid-cols-2 gap-3 sm:grid-cols-4">
+          <div className="rounded-xl border border-slate-800 bg-slate-900 p-4">
+            <p className="text-xs text-slate-400">Nákup celkem</p>
+            <p className="mt-1 text-lg font-semibold text-red-400">{summary.import_cost.toFixed(2)} Kč</p>
+          </div>
+          <div className="rounded-xl border border-slate-800 bg-slate-900 p-4">
+            <p className="text-xs text-slate-400">Prodej celkem</p>
+            <p className="mt-1 text-lg font-semibold text-green-400">{summary.export_revenue.toFixed(2)} Kč</p>
+          </div>
+          {hasGreenBonus && (
+            <div className="rounded-xl border border-slate-800 bg-slate-900 p-4">
+              <p className="text-xs text-slate-400">Zelený bonus</p>
+              <p className="mt-1 text-lg font-semibold text-amber-400">{summary.green_bonus.toFixed(2)} Kč</p>
+            </div>
+          )}
+          <div className="rounded-xl border border-slate-800 bg-slate-900 p-4">
+            <p className="text-xs text-slate-400">Bilance měsíce</p>
+            <p className={`mt-1 text-lg font-semibold ${balanceColor(summary.total_balance)}`}>
+              {czk(summary.total_balance)}  Kč
+            </p>
+          </div>
+        </div>
+      )}
+
+      {/* Chart */}
+      <div className="rounded-xl border border-slate-800 bg-slate-900 p-4">
+        <h2 className="mb-3 text-sm font-medium text-slate-300">
+          Denní bilance + kumulativ od 1. v měsíci
+        </h2>
+        <EconomicsChart points={points} />
+      </div>
+
+      {/* Daily table */}
+      <div className="overflow-hidden rounded-xl border border-slate-800 bg-slate-900">
+        {error && (
+          <div className="border-b border-red-900/50 bg-red-900/20 px-4 py-2 text-sm text-red-400">
+            {error}
+          </div>
+        )}
+        {loading ? (
+          <div className="py-12 text-center text-sm text-slate-500">Načítání…</div>
+        ) : days.length === 0 ? (
+          <div className="py-12 text-center text-sm text-slate-500">Žádná data pro tento měsíc</div>
+        ) : (
+          <div className="overflow-x-auto">
+            <table className="w-full">
+              <thead>
+                <tr className="border-b border-slate-700 text-xs text-slate-400">
+                  <th className="px-3 py-2 text-left">Den</th>
+                  <th className="px-3 py-2 text-right">Import kWh</th>
+                  <th className="px-3 py-2 text-right">Export kWh</th>
+                  <th className="px-3 py-2 text-right">Vl. spotřeba</th>
+                  <th className="px-3 py-2 text-right">Náklad Kč</th>
+                  <th className="px-3 py-2 text-right">Příjem Kč</th>
+                  {hasGreenBonus && <th className="px-3 py-2 text-right">Bonus Kč</th>}
+                  <th className="px-3 py-2 text-right">Bilance Kč</th>
+                  <th className="px-3 py-2 text-right">Plán Kč</th>
+                  <th className="px-3 py-2 text-right">Odchylka Kč</th>
+                  <th className="w-10 px-2 py-2 text-center" />
+                </tr>
+              </thead>
+              <tbody>
+                {days.map((row) => (
+                  <DailyRow
+                    key={row.day}
+                    row={row}
+                    hasGreenBonus={hasGreenBonus}
+                    siteId={SITE_ID}
+                    expanded={expandedDay === row.day}
+                    onToggle={() => setExpandedDay((prev) => (prev === row.day ? null : row.day))}
+                    onLockToggle={() => handleLockToggle(row)}
+                  />
+                ))}
+              </tbody>
+            </table>
+          </div>
+        )}
+      </div>
+    </main>
+  )
+}

frontend/src/types/economics.ts

@@ -0,0 +1,55 @@
+export type DailyEconomics = {
+  day: string
+  interval_count: number
+  import_kwh: number
+  export_kwh: number
+  pv_kwh: number
+  load_kwh: number
+  self_consumption_kwh: number
+  ev_kwh: number
+  hp_kwh: number
+  import_cost_czk: number
+  export_revenue_czk: number
+  net_cost_czk: number
+  green_bonus_czk: number
+  total_balance_czk: number
+  planned_balance_czk: number | null
+  deviation_cost_czk: number | null
+  is_locked: boolean
+}
+
+export type DailyEconomicsResponse = {
+  days: DailyEconomics[]
+  has_green_bonus: boolean
+}
+
+export type IntervalEconomics = {
+  interval_start: string
+  import_kwh: number
+  export_kwh: number
+  dynamic_cost_czk: number | null
+  stored_cost_czk: number | null
+  green_bonus_czk: number | null
+  planned_cost_czk: number | null
+  planned_grid_w: number | null
+  actual_grid_power_w: number | null
+  effective_buy_price: number | null
+  effective_sell_price: number | null
+  planned_buy_price: number | null
+  planned_sell_price: number | null
+  actual_pv_power_w: number | null
+  actual_load_power_w: number | null
+  actual_battery_power_w: number | null
+  actual_battery_soc_pct: number | null
+}
+
+export type ChartDayPoint = {
+  day: string
+  daily_balance_czk: number
+  cumulative_balance_czk: number
+}
+
+export type LockResponse = {
+  locked: boolean
+  day: string
+}