feat: Unified Ingest SDK for DMS/ADAS promote, cuboid export and 3D fit

Replace subprocess build with promote_batch SDK, add ADAS cuboid export/fit/validate pipeline, stage normalization, and offline unit tests wired into smoke_labeling_api.

Co-authored-by: Cursor <cursoragent@cursor.com>

platform/as_platform/api/labeling_routes.py

@@ -37,6 +37,8 @@ from as_platform.labeling.service import (
     open_campaign,
     submit_campaign,
     trigger_labeling_export,
+    get_batch_export_stats,
+    trigger_cuboid_fit,
 )
 from as_platform.labeling.vendor_import import import_vendor_zip, list_registry_profiles
 
@@ -315,6 +317,30 @@ def api_labeling_export(
         raise HTTPException(404, "campaign not found") from None
 
 
+@router.get("/api/v1/labeling/campaigns/{campaign_id}/export-stats")
+def api_batch_export_stats(
+    campaign_id: str,
+    _user: Annotated[User, Depends(require_permission("read:pending"))],
+) -> dict[str, Any]:
+    try:
+        return get_batch_export_stats(campaign_id)
+    except FileNotFoundError:
+        raise HTTPException(404, "campaign not found") from None
+
+
+@router.post("/api/v1/labeling/campaigns/{campaign_id}/cuboid-fit")
+def api_cuboid_fit(
+    campaign_id: str,
+    _user: Annotated[User, Depends(require_permission("read:pending"))],
+) -> dict[str, Any]:
+    try:
+        return trigger_cuboid_fit(campaign_id)
+    except FileNotFoundError:
+        raise HTTPException(404, "campaign not found") from None
+    except ValueError as e:
+        raise HTTPException(400, str(e)) from e
+
+
 @router.get("/api/v1/labeling/campaigns/{campaign_id}/export-jobs")
 def api_campaign_export_jobs(
     campaign_id: str,