added generator mode

python_app/hardware_full/librevna_driver/models.py

@@ -120,6 +120,23 @@ class VNASweepSettings:
             raise ValueError("power sweep requires f_start_hz == f_stop_hz")
 
 
+@dataclass(slots=True)
+class GeneratorSettings:
+    """Configuration for LibreVNA signal-generator mode."""
+
+    frequency_hz: float = 1_000_000.0
+    power_dbm: float = -10.0
+    active_port: int = 1
+    apply_amplitude_correction: bool = False
+
+    def __post_init__(self) -> None:
+        """Validate generator settings before transmission."""
+        if self.frequency_hz <= 0:
+            raise ValueError("frequency_hz must be > 0")
+        if self.active_port not in {1, 2}:
+            raise ValueError("active_port must be 1 or 2")
+
+
 @dataclass(slots=True)
 class DeviceConfigVariant:
     """Family-specific device configuration fields."""