feat: add reminders tab with status tracking (coming/pending/cancelled)

Auto-surfaces bookings for today and tomorrow. Admin sets status per
person: coming, no answer, or cancelled. Summary stats per day.
DB migration 8 adds reminder_status column to all booking tables.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/lib/db.ts

@@ -171,6 +171,19 @@ const migrations: Migration[] = [
       if (!gbColNames.has("telegram")) db.exec("ALTER TABLE group_bookings ADD COLUMN telegram TEXT");
     },
   },
+  {
+    version: 8,
+    name: "add_reminder_status",
+    up: (db) => {
+      // reminder_status: null = not reminded, 'pending' = reminded but no answer, 'coming' = confirmed, 'cancelled' = not coming
+      for (const table of ["mc_registrations", "group_bookings", "open_day_bookings"]) {
+        const cols = db.prepare(`PRAGMA table_info(${table})`).all() as { name: string }[];
+        if (!cols.some((c) => c.name === "reminder_status")) {
+          db.exec(`ALTER TABLE ${table} ADD COLUMN reminder_status TEXT`);
+        }
+      }
+    },
+  },
 ];
 
 function runMigrations(db: Database.Database) {
@@ -446,6 +459,7 @@ interface McRegistrationRow {
   created_at: string;
   notified_confirm: number;
   notified_reminder: number;
+  reminder_status: string | null;
 }
 
 export interface McRegistration {
@@ -458,6 +472,7 @@ export interface McRegistration {
   createdAt: string;
   notifiedConfirm: boolean;
   notifiedReminder: boolean;
+  reminderStatus?: string;
 }
 
 export function addMcRegistration(
@@ -506,6 +521,7 @@ function mapMcRow(r: McRegistrationRow): McRegistration {
     createdAt: r.created_at,
     notifiedConfirm: !!r.notified_confirm,
     notifiedReminder: !!r.notified_reminder,
+    reminderStatus: r.reminder_status ?? undefined,
   };
 }
 
@@ -548,6 +564,7 @@ interface GroupBookingRow {
   telegram: string | null;
   notified_confirm: number;
   notified_reminder: number;
+  reminder_status: string | null;
   created_at: string;
 }
 
@@ -560,6 +577,7 @@ export interface GroupBooking {
   telegram?: string;
   notifiedConfirm: boolean;
   notifiedReminder: boolean;
+  reminderStatus?: string;
   createdAt: string;
 }
 
@@ -593,6 +611,7 @@ export function getGroupBookings(): GroupBooking[] {
     telegram: r.telegram ?? undefined,
     notifiedConfirm: !!r.notified_confirm,
     notifiedReminder: !!r.notified_reminder,
+    reminderStatus: r.reminder_status ?? undefined,
     createdAt: r.created_at,
   }));
 }
@@ -635,6 +654,109 @@ export interface UnreadCounts {
   total: number;
 }
 
+// --- Reminder status ---
+
+export type ReminderStatus = "pending" | "coming" | "cancelled";
+
+export function setReminderStatus(
+  table: "mc_registrations" | "group_bookings" | "open_day_bookings",
+  id: number,
+  status: ReminderStatus | null
+): void {
+  const db = getDb();
+  db.prepare(`UPDATE ${table} SET reminder_status = ? WHERE id = ?`).run(status, id);
+}
+
+export interface ReminderItem {
+  id: number;
+  type: "class" | "master-class" | "open-day";
+  table: "mc_registrations" | "group_bookings" | "open_day_bookings";
+  name: string;
+  phone?: string;
+  instagram?: string;
+  telegram?: string;
+  reminderStatus?: string;
+  eventLabel: string;
+  eventDate: string;
+}
+
+export function getUpcomingReminders(): ReminderItem[] {
+  const db = getDb();
+  const items: ReminderItem[] = [];
+
+  // Tomorrow and today dates
+  const now = new Date();
+  const today = now.toISOString().split("T")[0];
+  const tomorrow = new Date(now.getTime() + 24 * 60 * 60 * 1000).toISOString().split("T")[0];
+
+  // MC registrations — match slots from sections JSON
+  try {
+    const mcSection = db.prepare("SELECT data FROM sections WHERE key = 'masterClasses'").get() as { data: string } | undefined;
+    if (mcSection) {
+      const mcData = JSON.parse(mcSection.data) as { items: { title: string; slots: { date: string; startTime?: string }[] }[] };
+      // Find MC titles with slots today or tomorrow
+      const upcomingTitles: { title: string; date: string; time?: string }[] = [];
+      for (const mc of mcData.items || []) {
+        for (const slot of mc.slots || []) {
+          if (slot.date === today || slot.date === tomorrow) {
+            upcomingTitles.push({ title: mc.title, date: slot.date, time: slot.startTime });
+          }
+        }
+      }
+      for (const { title, date, time } of upcomingTitles) {
+        const rows = db.prepare(
+          "SELECT * FROM mc_registrations WHERE master_class_title = ?"
+        ).all(title) as McRegistrationRow[];
+        for (const r of rows) {
+          items.push({
+            id: r.id,
+            type: "master-class",
+            table: "mc_registrations",
+            name: r.name,
+            phone: r.phone ?? undefined,
+            instagram: r.instagram ?? undefined,
+            telegram: r.telegram ?? undefined,
+            reminderStatus: r.reminder_status ?? undefined,
+            eventLabel: `${title}${time ? ` · ${time}` : ""}`,
+            eventDate: date,
+          });
+        }
+      }
+    }
+  } catch { /* ignore */ }
+
+  // Open Day bookings — check event date
+  try {
+    const events = db.prepare(
+      "SELECT id, date, title FROM open_day_events WHERE date IN (?, ?) AND active = 1"
+    ).all(today, tomorrow) as { id: number; date: string; title: string }[];
+    for (const ev of events) {
+      const rows = db.prepare(
+        `SELECT b.*, c.style as class_style, c.trainer as class_trainer, c.start_time as class_time, c.hall as class_hall
+         FROM open_day_bookings b
+         JOIN open_day_classes c ON c.id = b.class_id
+         WHERE b.event_id = ? AND c.cancelled = 0`
+      ).all(ev.id) as OpenDayBookingRow[];
+      for (const r of rows) {
+        items.push({
+          id: r.id,
+          type: "open-day",
+          table: "open_day_bookings",
+          name: r.name,
+          phone: r.phone ?? undefined,
+          instagram: r.instagram ?? undefined,
+          telegram: r.telegram ?? undefined,
+          reminderStatus: r.reminder_status ?? undefined,
+          eventLabel: `${r.class_style} · ${r.class_trainer} · ${r.class_time} (${r.class_hall})`,
+          eventDate: ev.date,
+        });
+      }
+    }
+  } catch { /* ignore */ }
+
+  return items;
+}
+
 export function getUnreadBookingCounts(): UnreadCounts {
   const db = getDb();
   const gb = (db.prepare("SELECT COUNT(*) as c FROM group_bookings WHERE notified_confirm = 0").get() as { c: number }).c;
@@ -713,6 +835,7 @@ interface OpenDayBookingRow {
   telegram: string | null;
   notified_confirm: number;
   notified_reminder: number;
+  reminder_status: string | null;
   created_at: string;
   class_style?: string;
   class_trainer?: string;
@@ -730,6 +853,7 @@ export interface OpenDayBooking {
   telegram?: string;
   notifiedConfirm: boolean;
   notifiedReminder: boolean;
+  reminderStatus?: string;
   createdAt: string;
   classStyle?: string;
   classTrainer?: string;
@@ -777,6 +901,7 @@ function mapBookingRow(r: OpenDayBookingRow): OpenDayBooking {
     telegram: r.telegram ?? undefined,
     notifiedConfirm: !!r.notified_confirm,
     notifiedReminder: !!r.notified_reminder,
+    reminderStatus: r.reminder_status ?? undefined,
     createdAt: r.created_at,
     classStyle: r.class_style ?? undefined,
     classTrainer: r.class_trainer ?? undefined,