laravel-admin: Docker Laravel + Filament panel — users/tags/products/orders resources, dashboard stats, is_admin gate, shared Postgres (verified data layer)

db/schema.sql

@@ -66,3 +66,6 @@ ALTER TABLE tags ADD COLUMN IF NOT EXISTS order_id BIGINT REFERENCES orders(id);
 
 -- Phase 2.5: per-device anti-spam fingerprint on scans (idempotent).
 ALTER TABLE scans ADD COLUMN IF NOT EXISTS fingerprint TEXT;
+
+-- Phase 4: admin flag on users (idempotent).
+ALTER TABLE users ADD COLUMN IF NOT EXISTS is_admin BOOLEAN NOT NULL DEFAULT FALSE;