feat: impact metrics migration (#10551)

src/migrations/20250827135502-add-impact-metrics.js

@@ -0,0 +1,23 @@
+
+exports.up = (db, callback) => {
+    db.runSql(
+        `
+        CREATE TABLE IF NOT EXISTS impact_metrics(
+            id TEXT NOT NULL PRIMARY KEY,
+            feature VARCHAR(255),
+            config JSONB NOT NULL,
+            FOREIGN KEY (feature) REFERENCES features(name) ON DELETE CASCADE
+        );
+        `,
+        callback,
+    );
+};
+
+exports.down = (db, callback) => {
+    db.runSql(
+        `
+        DROP TABLE IF EXISTS impact_metrics;
+        `,
+        callback,
+    );
+};