관리자 업로드 제한 설정 추가

db/migrations/063_site_settings_upload_limits.sql

@@ -0,0 +1,19 @@
+ALTER TABLE site_settings
+  ADD COLUMN IF NOT EXISTS upload_max_file_count INTEGER NOT NULL DEFAULT 20,
+  ADD COLUMN IF NOT EXISTS upload_max_total_size BIGINT NOT NULL DEFAULT 314572800;
+
+ALTER TABLE site_settings
+  ADD CONSTRAINT site_settings_upload_max_file_count_range_check
+  CHECK (upload_max_file_count BETWEEN 1 AND 50)
+  NOT VALID;
+
+ALTER TABLE site_settings
+  ADD CONSTRAINT site_settings_upload_max_total_size_range_check
+  CHECK (upload_max_total_size BETWEEN 1048576 AND 1073741824)
+  NOT VALID;
+
+ALTER TABLE site_settings
+  VALIDATE CONSTRAINT site_settings_upload_max_file_count_range_check;
+
+ALTER TABLE site_settings
+  VALIDATE CONSTRAINT site_settings_upload_max_total_size_range_check;