Add encrypted card pool management, persisted card and outbound rotation, and per-card decline cooldowns. Improve customer and redemption-code lookup, recovery controls, and filtering; rebuild frontend assets and refresh mock screenshots.
Give read-only eligibility checks four independent slots so payment processing no longer blocks them. Cover concurrency, slot cleanup, card rotation, and lookup behavior with tests.
POST /api/check runs the read-only X gifting-eligibility query for
a username under the shared work semaphore with its own 8/min rate
bucket, so visitors can verify their account before redeeming. The
redeem page gains an advisory check button with loading and result
states.
Add stackable complement operators (not/!/非), per-condition
inequality (status!=active, clickable = / ≠ toggle on canvas
tokens), and months/username conditions with - for empty values.
The palette gains duration and account groups, and full-width
operator punctuation is normalized.
The expression renders as deletable rounded-rectangle tokens on a
canvas, composed from a guarded palette of status/folder/logic
buttons, with a raw-text mode for power users. Guards prevent
invalid sequences, mid-deletions explain what broke and how to
repair it, full-width punctuation is normalized, and all actions
are announced to screen readers.
Compose folder and status conditions with and/or/parentheses in the
admin UI (typed or assembled from helper chips). In filter mode all
pages are fetched and matched client-side with local pagination, so
no backend changes are needed. Invalid expressions show precise
Chinese errors without fetching.
Replace the cramped 90-bar grouped activity chart with three
single-series small-multiple strips (created, redeemed, succeeded),
give plan and review-stage bars proper height with legends and
percentage labels, and lay the summary cards out 3x2 on desktop.
Add GET /api/admin/stats aggregating code counts, redemption and
success rates, per-plan totals, a 30-day activity series, and review
stage distribution. Render a collapsible stats panel with summary
cards and an accessible SVG bar chart on the admin page, show total
count and pages in pagination, and let users resume status polling
after the 5-minute timeout without re-redeeming.
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