Chengdong ZhangandCursor
53548196f8
Capture exclusive promotion composition, empty-group cancel, and mall surface scope so the five marketing changes can be implemented without stacking or lifecycle ambiguity. Co-authored-by: Cursor <cursoragent@cursor.com>
22 lines
2.3 KiB
Markdown
22 lines
2.3 KiB
Markdown
## 1. Group-buying state model and contract
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- [ ] 1.1 Add additive migrations for shop activities, concrete groups, paid memberships, expiry/state constraints, and order group-price snapshots.
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- [ ] 1.2 Implement the Rust group-buying module with shop-scoped activity management, active discovery, deterministic expiry, and open-group queries.
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- [ ] 1.3 Add shared group-buying types, checkout intent (single SKU, quantity 1), API-client methods, locales, and fixed-data adapter parity.
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## 2. Checkout and payment integration
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- [ ] 2.1 Validate a single-SKU quantity-1 group-buying intent during checkout, create or reference an open group, and snapshot group price and identity on the pending order. Reject overlapping flash eligibility and coupon selection on that shop order; restate coupon and flash handling for other shop orders in the same checkout.
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- [ ] 2.2 Extend payment to atomically expire due groups, claim a paid seat, enforce capacity, and transition a filled group to successful. Pending-payment cancellation restores SKU stock only and does not roll back paid membership. Cancelling the opening unpaid order while paid count is zero marks the group cancelled.
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- [ ] 2.3 Add integration tests for activity/shop validation, open versus join flow, quantity-1 enforcement, concurrent final-seat payment, full/expired/cancelled-group conflicts, coupon rejection on group shop orders, overlapping flash rejection, cancel-without-membership-rollback, unpaid-opener empty-group cancel, and visibility of expired paid groups.
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## 3. Merchant and customer surfaces
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- [ ] 3.1 Add shop-admin management for activity SKU, localized presentation, price, required count, active window, group lifetime, and a group-buying nav entry.
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- [ ] 3.2 Replace the mall group-buying fixture page with live activities, open groups, paid-member counts, expiry, and open/join checkout intent; show snapshotted group prices on payment and order-detail views.
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- [ ] 3.3 Remove affected direct group-buying fixture imports while retaining fixed-data adapter support.
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## 4. Verification and specification
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- [ ] 4.1 Seed an active deterministic group activity and browser-smoke discovery, opening, joining, and successful payment.
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- [ ] 4.2 Run cargo test for vmall-api, builds for mall and shop-admin, and strict validation for this OpenSpec change. |