update TRX calculation to reset per BSC+BCF and count in btsId order

queries/process_ciq_2g.py

@@ -627,9 +627,10 @@ def _build_trx_sheet_from_assigned_sites(
         ordered_cols.append(f"channel{i}Type")
 
     df_trx = df_trx.sort_values(
-        by=["site", "btsId", "_sort_type", "_sort_maio"], kind="stable"
+        by=["bscid", "bcfId", "btsId", "_sort_type", "_sort_maio"], kind="stable"
     )
-    df_trx["TRX"] = range(1, len(df_trx) + 1)
+    # Reset TRX per BSC+BCF and count in btsId order.
+    df_trx["TRX"] = df_trx.groupby(["bscid", "bcfId"], sort=False).cumcount() + 1
     df_trx = df_trx[ordered_cols]
     return df_trx