feat: add zone_mode and fixed_zone fields to Job

src/job.py

@@ -13,6 +13,7 @@ from pathlib import Path
 
 from src.model_registry import ModelConfig, find_truck_detector
 from src.pipeline import run_pipeline, run_merged_pipeline, PipelineResult, MergedPipelineResult
+from src.truck_roi import TruckROI
 
 
 class JobStatus(Enum):
@@ -61,6 +62,9 @@ class Job:
     live_unloading: int = 0
     live_frame: int = 0
     preview_enabled: bool = True
+    zone_mode: str = "dynamic"
+    fixed_zone: TruckROI | None = None
+    zone_preset: str = ""
 
 
 class JobQueue:
@@ -78,6 +82,9 @@ class JobQueue:
         video_path: str,
         model_configs: list[ModelConfig],
         class_filters: dict[str, list[str] | None] | None = None,
+        zone_mode: str = "dynamic",
+        fixed_zone: TruckROI | None = None,
+        zone_preset: str = "",
     ) -> Job:
         """Create a new job and enqueue it. Returns the Job (processing starts immediately)."""
         job_id = f"job-{uuid.uuid4().hex[:8]}"
@@ -87,6 +94,9 @@ class JobQueue:
             model_configs=list(model_configs),
             class_filters=class_filters or {},
             output_dir=str(self._output_dir / job_id),
+            zone_mode=zone_mode,
+            fixed_zone=fixed_zone,
+            zone_preset=zone_preset,
         )
         Path(job.output_dir).mkdir(parents=True, exist_ok=True)
 
@@ -195,6 +205,7 @@ class JobQueue:
                     output_path=output_path,
                     class_filter=class_filter,
                     truck_model_config=truck_model_config,
+                    fixed_zone=job.fixed_zone,
                     preview_path=job.preview_path,
                     preview_enabled=job.preview_enabled,
                     preview_every_n=2,
@@ -238,6 +249,7 @@ class JobQueue:
                     output_path=output_path,
                     class_filters=job.class_filters,
                     truck_model_config=truck_model_config,
+                    fixed_zone=job.fixed_zone,
                     preview_path=job.preview_path,
                     preview_enabled=job.preview_enabled,
                     preview_every_n=2,