連接一切

# Implement one class. Register it. Done.
from stratcraft.plugin import Plugin, PluginKind, Bars, Signal

@Plugin.register(kind=PluginKind.SignalSource)
class MySignal(Plugin):
    name    = "my-signal"
    version = "0.1.0"

    def setup(self, cfg: dict) -> None:
        self.window = cfg.get("window", 20)

    def on_bar(self, bars: Bars) -> Signal | None:
        zscore = (bars.close[-1] - bars.close[-self.window:].mean())
        return Signal(strength=zscore, ttl=bars.bar_seconds)

    def teardown(self) -> None: ...