phase 5

detect/state.py

@@ -0,0 +1,28 @@
+"""
+LangGraph state definition for the detection pipeline.
+
+This TypedDict flows through all graph nodes. Each node reads what
+it needs and writes its outputs. LangGraph manages the state transitions.
+"""
+
+from __future__ import annotations
+
+from typing import TypedDict
+
+from detect.models import BrandDetection, DetectionReport, Frame, PipelineStats
+
+
+class DetectState(TypedDict, total=False):
+    # Input
+    video_path: str
+    job_id: str
+    profile_name: str
+
+    # Stage outputs
+    frames: list[Frame]
+    filtered_frames: list[Frame]
+    detections: list[BrandDetection]
+    report: DetectionReport
+
+    # Running stats (updated by each stage)
+    stats: PipelineStats