added timing

python_app/storage/npz/serialize.py

@@ -10,7 +10,7 @@ from python_app.models.dataset_model import ResultCollection, SweepCollection
 
 RAW_MAGIC = 0x32574152
 PREPROC_MAGIC = 0x32525050
-RESULT_MAGIC = 0x314C5352
+RESULT_MAGIC = 0x324C5352  # RSL2: adds processing_duration_ns after monotonic_ns
 
 
 def _write_interleaved_complex(buffer: bytearray, values: np.ndarray) -> None:
@@ -109,10 +109,11 @@ def serialize_result_collection(collection: ResultCollection) -> bytes:
     buffer = bytearray()
     buffer.extend(
         struct.pack(
-            "<IQQII",
+            "<IQQQII",
             RESULT_MAGIC,
             collection.collection_id,
             collection.monotonic_ns,
+            int(collection.processing_duration_ns),
             len(collection.collection_payloads),
             len(collection.blocks),
         )