added gpr speed tracking

python_app/orchestration/live_processing_config.py

@@ -30,6 +30,8 @@ class ProcessingLiveConfig:
     gpr_comp_power: float = 0.2
     gpr_start_freq_mhz: float = 3000.0
     gpr_stop_freq_mhz: float = 6000.0
+    gpr_speed_m_s: float = 0.0
+    gpr_look_angle_deg: float = 0.0
     gpr_background_subtract_enabled: bool = True
     gpr_background_mean_count: int = 10
     history_command_seq: int = 0
@@ -68,6 +70,8 @@ class ProcessingLiveConfig:
             "gpr_comp_power": float(self.gpr_comp_power),
             "gpr_start_freq_mhz": float(self.gpr_start_freq_mhz),
             "gpr_stop_freq_mhz": float(self.gpr_stop_freq_mhz),
+            "gpr_speed_m_s": float(self.gpr_speed_m_s),
+            "gpr_look_angle_deg": float(self.gpr_look_angle_deg),
             "gpr_background_subtract_enabled": bool(self.gpr_background_subtract_enabled),
             "gpr_background_mean_count": int(self.gpr_background_mean_count),
             "history_command_seq": int(self.history_command_seq),

python_app/orchestration/shm/binary_cursor.py

@@ -48,3 +48,7 @@ class ByteCursor:
         data = self.payload[self.offset : self.offset + size]
         self.offset += size
         return data
+
+    def remaining_bytes(self) -> int:
+        """Return unread byte count."""
+        return len(self.payload) - self.offset

python_app/orchestration/shm/decoder.py

@@ -54,7 +54,21 @@ def decode_trace_collection(payload: bytes, expected_magic: int) -> SweepCollect
             )
         )
 
-    return SweepCollection(collection_id=collection_id, monotonic_ns=monotonic_ns, traces=traces)
+    capture_start_ns = 0
+    capture_end_ns = 0
+    if cursor.remaining_bytes() == 16:
+        capture_start_ns = cursor.read_u64()
+        capture_end_ns = cursor.read_u64()
+    elif cursor.remaining_bytes() != 0:
+        raise ValueError("Unexpected trailing bytes in trace collection")
+
+    return SweepCollection(
+        collection_id=collection_id,
+        monotonic_ns=monotonic_ns,
+        traces=traces,
+        capture_start_ns=capture_start_ns,
+        capture_end_ns=capture_end_ns,
+    )
 
 
 def decode_result_collection(payload: bytes) -> ResultCollection: