Added derived signal to be sources of other derived signals.

Fixed derived signal saving profile. Renamed Signals>Pipeline to Signas>Channels
 and adding/removing channels feature.

1 files changed, 10 insertions, 11 deletions

diff --git a/core/profile.py b/core/profile.py
index 2a70370..ef8c55b 100644
--- a/core/profile.py
+++ b/core/profile.py
@@ -231,6 +231,16 @@ class ProfileManager:
         except Exception:
             pass
 
+        # Clear all existing devices — profile defines the complete device set
+        for dev in list(registry.all_instances()):
+            try:
+                dev.disconnect()
+            except Exception:
+                pass
+            registry.remove_instance(dev.info.device_id)
+            if engine is not None:
+                engine.remove_device(dev.info.device_id)
+
         for dev_cfg in profile.devices:
             dev_type = dev_cfg.get("device_type")
             dev_id   = dev_cfg.get("device_id")
@@ -241,17 +251,6 @@ class ProfileManager:
                 print(f"[Profile] Unknown device type: {dev_type}")
                 continue
             try:
-                # Replace existing device so saved config takes effect
-                existing = registry.get_instance(dev_id)
-                if existing is not None:
-                    try:
-                        existing.disconnect()
-                    except Exception:
-                        pass
-                    registry.remove_instance(dev_id)
-                    if engine is not None:
-                        engine.remove_device(dev_id)
-
                 kwargs = {k: v for k, v in dev_cfg.items() if k != "device_type"}
                 dev = factory(**kwargs)
                 registry.add_instance(dev)