fix: add onDelete set null to reviewedBy FK

drizzle/0020_flaky_lilith.sql

@@ -0,0 +1,3 @@
+ALTER TABLE "community_suggestions" DROP CONSTRAINT "community_suggestions_reviewed_by_user_id_fk";
+--> statement-breakpoint
+ALTER TABLE "community_suggestions" ADD CONSTRAINT "community_suggestions_reviewed_by_user_id_fk" FOREIGN KEY ("reviewed_by") REFERENCES "public"."user"("id") ON DELETE set null ON UPDATE no action;

lib/db/schema/community-suggestions.ts

@@ -31,7 +31,9 @@ export const communitySuggestions = pgTable(
     proposedValue: text("proposed_value").notNull(), // proposed new value
     reason: text("reason"), // optional explanation
     status: suggestionStatusEnum("status").default("pending").notNull(),
-    reviewedBy: text("reviewed_by").references(() => user.id),
+    reviewedBy: text("reviewed_by").references(() => user.id, {
+      onDelete: "set null",
+    }),
     reviewedAt: timestamp("reviewed_at"),
     reviewNote: text("review_note"), // reviewer's note
     createdAt: timestamp("created_at").defaultNow().notNull(),