## What
Adds a private Discord admin feed with two flows, both posting through
one webhook (`DISCORD_WEBHOOK_URL`):
### 1. Daily stats — `stats:daily-report`
Scheduled **09:00 Europe/Madrid**. Posts an embed with:
- New users created **yesterday** (Madrid calendar day, converted to UTC
for the query)
- Total users
- Active/trialing counts + current & projected **MRR / ARR** per
currency
Reuses the #457 Stripe stats logic, extracted into
`SubscriptionStatsCollector` so the existing `stripe:subscription-stats`
command and this report share one source of truth.
### 2. Stripe events — `PostStripeEventToDiscord`
Queued listener on Cashier's `WebhookReceived`. Posts on:
- `customer.subscription.created` / `updated` / `deleted`
- `invoice.payment_succeeded` / `payment_failed`
## Setup
- `DISCORD_WEBHOOK_URL` — added to prod ✅ (set locally to test)
- Stripe dashboard must send the 5 event types above to the existing
Cashier `/stripe/webhook` endpoint
- A queue worker must be running (listener is `ShouldQueue`)
## Tests
13 passing: Discord client (3), daily report (2), Stripe event listener
(4), plus the existing stats command (4) still green after the refactor.
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