Add checkin limits and progress statistics

db/schema.ts

@@ -6,5 +6,7 @@ export const progress = sqliteTable("progress", {
   doneTasks: text("done_tasks").notNull().default("[]"),
   mood: text("mood").notNull().default(""),
   note: text("note").notNull().default(""),
+  checkinType: text("checkin_type").notNull().default("normal"),
+  checkedAt: text("checked_at").notNull().default(sql`CURRENT_TIMESTAMP`),
   updatedAt: text("updated_at").notNull().default(sql`CURRENT_TIMESTAMP`),
 }, (t) => [primaryKey({ columns: [t.userId, t.planDate] })]);