MAINT-13 round 2: read the price gate without a new main.py option read

test_static_tariff forbids main.py reading `static_profile`; a small
static_gated() in static_tariff.py answers it, and the Controller keeps the
answer in `_price_gated` beside `cheap`.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Bdqr7PiaHcBnzPituu2yTC

goodwe_controller/test_maint13.py

@@ -454,7 +454,12 @@ m = put_in_charge(c, 0, 40, CHARGE_TIMEOUT_MIN + 1)
 one_cycle(c)
 check("...and a pack past its charging time there fails at once (not 7 days)",
       m.phase == IDLE and len(notes(h)) == 1)
+def read(c):
+    asyncio.run(c.read_inputs())
+
+
 c, h = controller(OPTS1, False)
+read(c)
 c.inverters[0].batt = -800.0
 check("price gate closed but the pack is taking 800 W (sun): gate open",
       c._charge_gate_open(c.inverters[0]) is True)
@@ -464,11 +469,20 @@ check("...closed and about idle: gate closed",
 c.inverters[0].batt = None
 check("...no battery reading: gate closed", c._charge_gate_open(c.inverters[0]) is False)
 c, h = controller(OPTS1, True)
-c.cheap = True
+read(c)
 check("price gate open: gate open", c._charge_gate_open(c.inverters[0]) is True)
-c, h = controller(dict(NOTARIFF, static_profile="x"), False)
-check("a fixed tariff set up counts as a gate (closed outside its cheap hours)",
-      c._charge_gate_open(c.inverters[0]) is False)
+PROFILE = json.dumps({"periods": [
+    {"name": "day", "from": "07:00", "to": "22:00", "days": "all",
+     "eur_per_kwh": 0.29},
+    {"name": "night", "from": "22:00", "to": "07:00", "days": "all",
+     "eur_per_kwh": 0.19}]})
+c, h = controller(dict(NOTARIFF, price_provider="off", static_profile=PROFILE),
+                  False)
+read(c)
+check("a fixed tariff set up counts as a gate: outside its cheap hours a pack "
+      "that is not charging is closed, inside them it is open",
+      c._price_gated is True
+      and c._charge_gate_open(c.inverters[0]) is c.cheap)
 
 # the save timer is reset on a phase change
 mm = in_charge()