improved logging

python_app/generator_sweep/config.py

@@ -3,6 +3,10 @@
 from __future__ import annotations
 
 from dataclasses import dataclass
+import logging
+
+logger = logging.getLogger(__name__)
+
 
 @dataclass(slots=True, frozen=True)
 class GeneratorSweepConfig:
@@ -85,8 +89,6 @@ def _validate_positive_float(value: float, label: str) -> None:
 
 def _resolve_log_level(value: str) -> int:
     """Normalize logging level name to ``logging`` module integer constant."""
-    import logging
-
     normalized = value.strip().upper()
     if not normalized:
         raise ValueError("generator_sweep.log_level must not be empty")
@@ -179,6 +181,15 @@ def resolve_generator_sweep_config(model: GeneratorSweepConfig) -> ResolvedGener
         "generator_sweep.pwm_duty_cycle must be within (0, 1]",
     )
 
+    logger.debug(
+        "Resolved generator sweep config: points=%d start=%dHz stop=%dHz loop=%s port=%d",
+        len(frequencies_hz),
+        frequencies_hz[0],
+        frequencies_hz[-1],
+        bool(model.loop),
+        int(model.port),
+    )
+
     return ResolvedGeneratorSweepConfig(
         log_level=log_level,
         serial=(model.serial.strip() or None) if isinstance(model.serial, str) else model.serial,