Implement business plans

core/commands/registry.py

@@ -0,0 +1,16 @@
+from __future__ import annotations
+
+from core.commands.base import CommandHandler
+
+_HANDLERS: dict[str, CommandHandler] = {}
+
+
+def register(handler: CommandHandler):
+    slug = str(getattr(handler, "slug", "") or "").strip().lower()
+    if not slug:
+        raise ValueError("handler slug is required")
+    _HANDLERS[slug] = handler
+
+
+def get(slug: str) -> CommandHandler | None:
+    return _HANDLERS.get(str(slug or "").strip().lower())