SAFETY-128: control does not act on late Home Assistant readings

Readings that Home Assistant delivers late but still changing passed
every staleness gate, so the loop corrected again each cycle an error
its last command had already fixed (10 s late: the give run swung and
exported to -1.9 kW), and the peak guard pushed to the inverter limit
on the same late figures (OPT-34 F-2).

app/lateness.py fits how long after a power request the meter shows
it. Over 8 s the readings are late: a request the battery reading has
not answered holds the loop (it may not lead the reading by more than
100 W) and caps the peak guard at what stands; unanswered for 23 s it
holds, then 0 W after stale_input_s. An amber row and one log line per
episode say so. With readings on time nothing changes (digests equal).

DECISIONS/SAFETY-128-late-readings.md; test_safety128.py.

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

goodwe_controller/test_peakguard.py

@@ -3080,13 +3080,13 @@ _unit_sources_unrouted = [
     if CLAIM_SCOPE.get(r[0]) == SCOPE_UNIT and "," not in r[1]]
 print(f"    {len(_direct)} direct appends, each read at its own line: "
       + ", ".join(f"main.py:{ln} {s} -> {a}" for s, a, ln in _routing))
-check("all SEVENTEEN of `Controller.cycle()`'s DIRECT appends route through "
+check("all EIGHTEEN of `Controller.cycle()`'s DIRECT appends route through "
       "`self.actuator_of(<string literal>)`, so this scan can read the routing "
       "of EVERY one of them. An append that computed its actuator, or omitted "
       "the argument, or hand-wrote a string, fails HERE rather than being "
       "silently skipped - which is how a scan like this goes quietly vacuous, "
       "and 10f is in this file because that already happened once",
-      len(_direct) == 17
+      len(_direct) == 18
       and all(a is not None and a.startswith("self.actuator_of('")
               for _s, a, _ln in _routing))
 check("⚠️ AND AT EVERY ONE OF THE ELEVEN THE LITERAL IT ROUTES THROUGH IS THE "