"Customer" views

[brianhogg]

Description

New "Customers" view under the Orders menu.

How has this been tested?

Manually

Screenshots

Checklist:

• This PR requires and contains at least one changelog file.
• My code has been tested.
• My code passes all existing automated tests.
• My code follows the LifterLMS Coding & Documentation Standards.

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Note

Medium Risk
Introduces heavy SQL aggregation and cached revenue metrics used for admin decisions; bugs could misreport LTV or segments, though access is gated and tests cover core query behavior.

Overview
Adds a Customers admin area under Orders so staff can browse purchasers with commerce metrics, segments, and per-customer detail without going through the WordPress user editor.

The list view is a searchable, sortable, exportable table backed by a new LLMS_Customer_Query that aggregates orders and transactions into LTV, AOV, subscription counts, and related fields. Segment filters (all, high spenders, active subscriptions, free only, at risk) use cached counts and an LTV percentile threshold for “high spenders.” Single-customer pages reuse reporting-style layout with Overview (widgets, recent orders, billing, enrollments) and Orders tabs.

Navigation now points buyers to the customer screen from the orders list, order metabox, and student reporting (LTV/order teaser widgets with “view customer” links). Access follows the existing lifterlms_admin_order_access capability; metrics cache invalidates when orders or transactions are saved.

Includes admin styling, help beacon and table script registration, a small fix so reporting monetary widgets only format numeric compare values, PHPUnit coverage for the query and helpers, and a changelog entry.

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[brianhogg]

@cursor review

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Cursor Bugbot has reviewed your changes using default effort and found 3 potential issues.

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