feat: add fixed_zone param to pipelines, skip truck detection when set

tests/test_fixed_zone_pipeline.py

@@ -0,0 +1,27 @@
+"""Tests for fixed_zone parameter in pipeline functions."""
+
+import inspect
+
+from src.pipeline import run_pipeline, run_merged_pipeline
+
+
+def test_run_pipeline_accepts_fixed_zone():
+    sig = inspect.signature(run_pipeline)
+    assert "fixed_zone" in sig.parameters
+
+
+def test_run_merged_pipeline_accepts_fixed_zone():
+    sig = inspect.signature(run_merged_pipeline)
+    assert "fixed_zone" in sig.parameters
+
+
+def test_fixed_zone_defaults_to_none():
+    sig = inspect.signature(run_pipeline)
+    param = sig.parameters["fixed_zone"]
+    assert param.default is None
+
+
+def test_merged_fixed_zone_defaults_to_none():
+    sig = inspect.signature(run_merged_pipeline)
+    param = sig.parameters["fixed_zone"]
+    assert param.default is None