Stabilize staff concurrency and premium emoji; enable verified Drone deployment

migrations/env.py

@@ -30,7 +30,7 @@ target_metadata = Base.metadata
 from src.core.database import DATABASE_URL
 
 # Обновляем URL базы данных из переменных окружения
-config.set_main_option("sqlalchemy.url", DATABASE_URL)
+config.set_main_option("sqlalchemy.url", DATABASE_URL.replace("%", "%%"))
 
 
 def run_migrations_offline() -> None:
@@ -91,4 +91,4 @@ def run_migrations_online() -> None:
 if context.is_offline_mode():
     run_migrations_offline()
 else:
-    run_migrations_online()
+    run_migrations_online()