diff --git a/migrations/2026_08_31_000000_add_report_execution_statistics_columns.php b/migrations/2026_08_31_000000_add_report_execution_statistics_columns.php
new file mode 100644
index 00000000..ad43896b
--- /dev/null
+++ b/migrations/2026_08_31_000000_add_report_execution_statistics_columns.php
@@ -0,0 +1,60 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration {
+    /**
+     * Add the running-statistics columns Report::updateExecutionStats writes.
+     *
+     * The report builder's execution statistics were written but never migrated.
+     * `Report::updateExecutionStats()` sets `execution_count`, `average_execution_time`
+     * and `last_result_count` on every run, `getPerformanceMetrics()` returns all three,
+     * and `cloneWithConfig()` resets them — but the reports table has none of them, so
+     * the save at the end of updateExecutionStats fails:
+     *
+     *     SQLSTATE[42S22]: Column not found: 1054
+     *     Unknown column 'execution_count' in 'field list'
+     *
+     * The effect is that **every saved report fails to execute**, in every extension.
+     * The query itself succeeds — the failure happens afterwards, while recording that
+     * it ran — so the caller sees an error for a report that actually worked, and the
+     * report builder's preview shows an empty result with no explanation.
+     *
+     * These are distinct from `execution_time` and `row_count`, which
+     * 2025_09_25_084135_report_enhancements added and the API resource exposes: those
+     * describe the last run, while these accumulate across runs.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('reports', function (Blueprint $table) {
+            $table->unsignedInteger('execution_count')->default(0)->after('row_count');
+
+            // A mean of integer millisecond timings, so it needs somewhere for the
+            // fraction to go — `execution_time` is an integer because it holds one
+            // measurement rather than an average of several.
+            $table->float('average_execution_time')->nullable()->comment('Mean execution time in milliseconds across all runs')->after('execution_count');
+
+            $table->integer('last_result_count')->nullable()->after('average_execution_time');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('reports', function (Blueprint $table) {
+            $table->dropColumn([
+                'execution_count',
+                'average_execution_time',
+                'last_result_count',
+            ]);
+        });
+    }
+};
diff --git a/tests/Unit/Models/ReportExecutionColumnsTest.php b/tests/Unit/Models/ReportExecutionColumnsTest.php
new file mode 100644
index 00000000..cad064e5
--- /dev/null
+++ b/tests/Unit/Models/ReportExecutionColumnsTest.php
@@ -0,0 +1,63 @@
+<?php
+
+/*
+ * Every attribute Report persists must have a column to land in.
+ *
+ * `updateExecutionStats()` sets execution_count, average_execution_time and
+ * last_result_count and then calls save(). None of the three had a column, so the save
+ * threw and **every saved report failed to execute** — after its query had already
+ * succeeded, which made it look like the query was at fault.
+ *
+ * ReportModelTest covers the arithmetic thoroughly and could not catch this: it drives
+ * the model through a spy whose save() is a counter, so nothing it does reaches a
+ * schema. This test closes that specific gap by reading the migrations rather than the
+ * database, so it needs no connection and runs in the same pure-unit suite.
+ */
+function reportsTableColumns(): array
+{
+    $columns = [];
+
+    foreach (glob(__DIR__ . '/../../../migrations/*.php') as $migration) {
+        $source = file_get_contents($migration);
+
+        // Read only up(). A down() names the same columns in its dropColumn, and
+        // counting those alongside the additions cancelled them straight back out.
+        if (!preg_match('/function up\(\).*?(?=\n    \/\*\*|\n    public function down)/s', $source, $upBody)) {
+            continue;
+        }
+
+        // Only the blueprints that build or alter `reports` — the reporting feature also
+        // has report_executions, report_cache and report_audit_logs tables, several of
+        // which legitimately do have their own execution_time.
+        if (!preg_match_all("/Schema::(?:create|table)\(\s*'reports'\s*,.*?\n        \}\);/s", $upBody[0], $blocks)) {
+            continue;
+        }
+
+        foreach ($blocks[0] as $block) {
+            preg_match_all("/\\\$table->[A-Za-z]+\(\s*'([a-z0-9_]+)'/", $block, $found);
+            $columns = array_merge($columns, $found[1]);
+        }
+    }
+
+    return array_unique($columns);
+}
+
+it('has a column for every execution statistic the report model writes', function () {
+    $columns = reportsTableColumns();
+
+    expect($columns)->not->toBeEmpty('no reports blueprints were found to read');
+
+    foreach (['execution_count', 'average_execution_time', 'last_result_count', 'last_executed_at'] as $column) {
+        expect($columns)->toContain($column);
+    }
+});
+
+it('still has the per-run columns the api resource exposes', function () {
+    // execution_time and row_count describe the last run and are returned by the Report
+    // resource; the statistics above accumulate across runs. Both sets must exist —
+    // adding one must not be mistaken for replacing the other.
+    $columns = reportsTableColumns();
+
+    expect($columns)->toContain('execution_time')
+        ->and($columns)->toContain('row_count');
+});