Fas 1b punkt 6: First Scan Coach + aktiveringsmätning

apps/api/src/routes/admin-analytics.ts

@@ -200,6 +200,28 @@ export async function adminAnalyticsRoutes(app: FastifyInstance) {
     const rows = Array.isArray(result) ? result : result.rows;
     return { counts: rows };
   });
+
+  /** Household activation metrics (Fas 1b). */
+  app.get("/admin/v1/analytics/activation", admin, async () => {
+    const result = await app.db.execute(sql`
+      SELECT
+        COUNT(*) FILTER (WHERE first_scan_completed_at IS NOT NULL) AS scanned,
+        COUNT(*) FILTER (WHERE activated_at IS NOT NULL) AS activated,
+        COUNT(*) FILTER (WHERE value_confirmed_at IS NOT NULL) AS value_confirmed,
+        COUNT(*) AS total
+      FROM households
+    `);
+    const rows = Array.isArray(result) ? result : result.rows;
+    const r = rows[0] as Record<string, number>;
+    return {
+      totalHouseholds: Number(r.total ?? 0),
+      scanned: Number(r.scanned ?? 0),
+      activated: Number(r.activated ?? 0),
+      valueConfirmed: Number(r.value_confirmed ?? 0),
+      activationRate: r.total ? Number(r.activated) / Number(r.total) : 0,
+      valueConfirmationRate: r.total ? Number(r.value_confirmed) / Number(r.total) : 0,
+    };
+  });
 }
 
 /** Escape a string/date parameter for raw SQL by wrapping it in single quotes.