--- ../driver/src/build/profiling.cppm	2026-09-25 17:51:12.930497062 +0300
+++ ../driver/src/build/profiling.cppm	2026-09-25 17:52:30.163215314 +0300
@@ -394,6 +394,18 @@
     rstd::time::Duration ready_wait;
     rstd::time::Duration completion_wait;
     rstd::time::Duration task_work;
+
+    auto add(const ScanExecutionStatistics& statistics) noexcept -> void {
+        if (statistics.jobs > jobs) jobs = statistics.jobs;
+        if (statistics.max_in_flight > max_in_flight) {
+            max_in_flight = statistics.max_in_flight;
+        }
+        tasks += statistics.tasks;
+        if (statistics.max_active > max_active) max_active = statistics.max_active;
+        ready_wait = ready_wait.saturating_add(statistics.ready_wait);
+        completion_wait = completion_wait.saturating_add(statistics.completion_wait);
+        task_work = task_work.saturating_add(statistics.task_work);
+    }
 };
 
 struct ScanTaskProfile {
@@ -704,7 +716,7 @@
     }
 
     auto record_execution(ScanExecutionStatistics statistics) noexcept -> void {
-        execution_ = statistics;
+        execution_.add(statistics);
     }
 
     auto span(ScanProbe value) noexcept -> ScanSpanGuard {
--- ../driver/src/build/frontend/scan.cppm	2026-09-25 17:53:27.937300867 +0300
+++ ../driver/src/build/frontend/scan.cppm	2026-09-25 17:54:13.933044086 +0300
@@ -165,18 +165,7 @@
         : requested_jobs_(jobs), requested_max_in_flight_(max_in_flight) {}
 
     auto merge(ScanExecutionStatistics statistics) noexcept -> void {
-        if (statistics.jobs > statistics_.jobs) statistics_.jobs = statistics.jobs;
-        if (statistics.max_in_flight > statistics_.max_in_flight) {
-            statistics_.max_in_flight = statistics.max_in_flight;
-        }
-        statistics_.tasks += statistics.tasks;
-        if (statistics.max_active > statistics_.max_active) {
-            statistics_.max_active = statistics.max_active;
-        }
-        statistics_.ready_wait = statistics_.ready_wait.saturating_add(statistics.ready_wait);
-        statistics_.completion_wait =
-            statistics_.completion_wait.saturating_add(statistics.completion_wait);
-        statistics_.task_work = statistics_.task_work.saturating_add(statistics.task_work);
+        statistics_.add(statistics);
     }
 
     auto finish_executor() -> void {
--- ../driver/src/build/mod.cpp	2026-09-25 17:57:07.493911088 +0300
+++ ../driver/src/build/mod.cpp	2026-09-25 17:57:24.644027958 +0300
@@ -1289,6 +1289,7 @@
         }
         authoritative_analysis.record_source_release(rstd::move(authoritative_release).unwrap());
         frontend_statistics.add(authoritative_analysis.statistics());
+        authoritative_profiler.record_execution(scan_profile.execution());
         auto authoritative_profile = authoritative_profiler.finish();
         if (authoritative_profile.is_err()) {
             return Err(