1 files changed, 10 insertions, 0 deletions
diff --git a/core/signal_processor.py b/core/signal_processor.py
index 417d142..723de66 100644
--- a/core/signal_processor.py
+++ b/core/signal_processor.py
@@ -185,6 +185,16 @@ def filter_from_dict(d: dict) -> FilterBase:
     return cls(**params)
 
 
+def register_filter_class(name: str, cls) -> None:
+    """Register a plugin-provided filter class by type name."""
+    FILTER_CLASSES[name] = cls
+
+
+def unregister_filter_class(name: str) -> None:
+    """Remove a previously registered plugin filter class."""
+    FILTER_CLASSES.pop(name, None)
+
+
 # ══════════════════════════════════════════════════════════════════════════════
 #  Derived channel definitions
 # ══════════════════════════════════════════════════════════════════════════════