feat : ask for noti

db/schema.ts

@@ -793,3 +793,24 @@ export const commentReadState = commentsSchema.table("read_state", {
   target: text("target").notNull(),
   seenAt: timestamp("seen_at", { withTimezone: true }).defaultNow().notNull(),
 }, (table) => [primaryKey({ columns: [table.userId, table.target] })]);
+
+export const notifications = pgTable("notification", {
+  id: uuid("id").defaultRandom().primaryKey(),
+  userId: text("user_id").notNull().references(() => users.id, { onDelete: "cascade" }),
+  eventKey: text("event_key").notNull(),
+  kind: text("kind").notNull(),
+  title: text("title").notNull(),
+  body: text("body").notNull(),
+  url: text("url").notNull(),
+  adminOnly: boolean("admin_only").default(false).notNull(),
+  commentId: uuid("comment_id").references(() => comments.id, { onDelete: "cascade" }),
+  messageId: uuid("message_id").references(() => commissionMessages.id, { onDelete: "cascade" }),
+  createdAt: timestamp("created_at", { withTimezone: true }).defaultNow().notNull(),
+  readAt: timestamp("read_at", { withTimezone: true }),
+}, (table) => [
+  uniqueIndex("notification_user_event_unique").on(table.userId, table.eventKey),
+  index("notification_user_time_idx").on(table.userId, table.createdAt, table.id),
+  index("notification_user_unread_idx").on(table.userId).where(sql`${table.readAt} is null`),
+  index("notification_comment_idx").on(table.commentId),
+  index("notification_message_idx").on(table.messageId),
+]);