Marketing workspace with clearer audiences, delivery and results

The Marketing workspace now presents each module as part of one lifecycle: audience, message, destination, and measurement. The workspace home shows every primary tool and highlights operational work such as pending reviews, active automations, and unsent campaigns.

## Flash sales

- Offer setup now separates the discount, eligible products, public banner, offer description, and call-to-action.
- Client announcements can use email, SMS, both, or no message.
- Audience selection supports all opted-in clients, signup-date cohorts, age ranges, and explicitly selected clients. A live preview shows the number that can actually receive each channel after consent, preferences, contact availability, and suppression checks.
- Product selection only controls where the discount applies; it does not silently become a marketing audience filter.
- Announcements are stored as campaigns, providing the same delivery and engagement reporting as other campaigns.
- Every announcement links to `/offer/{sale-id}`. The landing page shows scheduled, active, and ended states; eligible products; before/after prices; the promo code; and purchase links with the promo preserved.
- Overlapping active sale windows are rejected to avoid ambiguous pricing banners.

## Campaign delivery

- “Save & Send Now” now creates and dispatches the campaign instead of leaving a draft behind.
- Email and SMS have separate copy, previews, merge-tag handling, and SMS segment/cost estimates.
- Scheduled venue campaigns are drained by the shared five-minute cron dispatcher.
- Campaign dispatch atomically claims a campaign before delivery, preventing concurrent workers from sending it twice.

## Reviews and testimonials

- Real class and appointment reviews are visible and can be published or unpublished from Marketing.
- Testimonials remain a separate moderation surface.
- Review Request Activity explains that one row represents one successful channel delivery. It identifies email, SMS, push, in-app, legacy milestone prompts, app surface, delivery date, and whether a review was submitted.
- The page summarizes the current automatic request rules and links directly to Feedback settings and the provider delivery log.

## Loyalty and challenges

- Manual point adjustments use a venue-scoped client search instead of pasted UUIDs. The server revalidates active venue membership and requires an audit note.
- Top-earner aggregation now reads the points value in one query.
- The Loyalty page links to the existing earning-rule and tier configuration.
- Challenge creation now exposes the existing challenge engine's format, progress target, visibility, teams, photo/before-and-after requirements, and completion badge fields.
- Challenge updates and deletes are validated and explicitly scoped to the active organization.

## Business app

- Staff with the right Marketing permissions can open a Marketing hub from More, check current activity, create and stop flash sales, and review request-delivery activity without returning to a desktop.
- Selected clients can be carried directly from the client list into a targeted flash-sale audience.
- The app explains what will be published, who is eligible to receive a message, which channels will be used, and where the offer link opens before anything is sent.