Fixed clear signal feature to inlcude all signals

1 files changed, 13 insertions, 0 deletions

diff --git a/core/signal_processor.py b/core/signal_processor.py
index 0d4ed39..417d142 100644
--- a/core/signal_processor.py
+++ b/core/signal_processor.py
@@ -359,6 +359,14 @@ class SignalProcessor(QObject):
     def all_virtual_channel_ids(self) -> List[str]:
         return list(self._derived_bufs.keys())
 
+    def clear_history(self):
+        """Clear derived channel buffers and latest-value cache."""
+        with self._lock:
+            for t_buf, v_buf in self._derived_bufs.values():
+                t_buf.clear()
+                v_buf.clear()
+            self._latest.clear()
+
     # ── Main data path ────────────────────────────────────────────────────
 
     def on_raw_data(self, device_id: str, channel_id: str,
@@ -401,6 +409,11 @@ class SignalProcessor(QObject):
                 try:
                     result = self._compute_derived(dc, inputs, timestamp, latest)
                     if result is not None:
+                        # Write back into local snapshot so downstream derived
+                        # channels that depend on this one can see it this pass
+                        latest[("derived", dc.channel_id)] = (timestamp, result)
+                        with self._lock:
+                            self._latest[("derived", dc.channel_id)] = (timestamp, result)
                         bufs = self._derived_bufs.get(dc.channel_id)
                         if bufs:
                             bufs[0].append(timestamp)