Harden raster detection manifest handoff

backend/tests/test_sprint123_raster_detection_handoff_operational.py

@@ -0,0 +1,46 @@
+from pathlib import Path
+
+
+ROOT = Path(__file__).resolve().parents[2]
+
+
+def test_raster_workflow_exposes_structured_tile_manifest_handoff() -> None:
+    hook = (ROOT / "frontend" / "src" / "hooks" / "useDatasetWorkflow.ts").read_text(encoding="utf-8")
+    types = (ROOT / "frontend" / "src" / "types.ts").read_text(encoding="utf-8")
+
+    assert "interface RasterTileHandoff" in types
+    assert "latestRasterTileManifest" in hook
+    assert "toRasterTileHandoff(job)" in hook
+    assert "setLatestRasterTileManifest(manifest)" in hook
+    assert "manifest.manifest_path" in hook
+
+
+def test_raster_controls_show_manifest_details_and_ai_handoff_action() -> None:
+    controls = (ROOT / "frontend" / "src" / "components" / "datasets" / "RasterControls.tsx").read_text(
+        encoding="utf-8"
+    )
+
+    assert "latestRasterTileManifest" in controls
+    assert "Tile count" in controls
+    assert "Tile size" in controls
+    assert "Overlap" in controls
+    assert "Use manifest in Detection Lab" in controls
+    assert "Use manifest in Segmentation Lab" in controls
+
+
+def test_detection_handoff_opens_ai_lab_preflights_manifest_and_keeps_asset_explicit() -> None:
+    app = (ROOT / "frontend" / "src" / "App.tsx").read_text(encoding="utf-8")
+    lab = (ROOT / "frontend" / "src" / "components" / "detection" / "DetectionLab.tsx").read_text(
+        encoding="utf-8"
+    )
+
+    assert "setDetectionTileManifestPath(manifestPath)" in app
+    assert "setSelectedDetectionDatasetId(selectedDataset.id)" in app
+    assert "setSelectedDetectionModelId('yolo-configured')" in app
+    assert "setDetectionConfidenceThreshold(0.25)" in app
+    assert "loadYoloPreflight(manifestPath).catch(() => null)" in app
+    assert "setSelectedModelAssetId(" not in app[app.index("const useRasterTileManifestForDetection"):app.index("const {", app.index("const useRasterTileManifestForDetection"))]
+    assert "Linked tile manifest" in lab
+    assert "Tile manifest validation" in lab
+    assert "Tile count" in lab
+    assert "will_run_inference" in lab