[twosugar]

Problem

• US users saw the navbar Pricing, the homepage See pricing button and the paid plans on /pricing (LBUS does not sell these OpenAPI quote packages).
• The paid plan prices were hard-coded in HK$ and no longer matched the store (HK LV2 OpenAPI monthly 718 on the page vs 498 in the store; OPRA monthly 40 vs 28).

Change

1. Hide pricing for US users (feat(pricing): hide pricing entries…)

New isUSUser() in @longbridge/openapi-utils (packages/utils/src/us-user.ts), decided in order:

1. Logged in → app_id cookie is a US tenant (longbridge_us / longbridge_us_uat)
2. Not logged in → region cookie is US (case-insensitive)
3. No region cookie → x-ip-region header from the portal GET /api/_ping (same endpoint h5hub / longbridge-websites use)

Cached per page; any failure counts as non-US. When true, hides the navbar Pricing link (desktop + mobile), the homepage See pricing button and the Subscribe only to what you need plans. Free tier, comparison table and FAQ stay.

2. Load plan prices from the quote store (feat(pricing): load paid quote plan prices…)

GET /v2/rewards/quote_product_list?account_channel=lb with x-app-id: longbridge (no login needed; CORS allows the docs origins and x-app-id), matched by package_key HK_L2_International_OpenAPI / US_OPRA_LV1_OpenAPI:

• Currency from each SKU — no hard-coded symbol.
• Price = real_price; per_month_price shown for quarterly / annual; when price > real_price, discount % and original price are shown.
• Billing-cycle tabs built from card_duration (1/2/3 = month/quarter/year, 5 = auto-renew, same enum as h5hub opa) — only cycles the API returns. Production currently returns 1/2/3 only, so Auto-renew is not shown; it appears automatically once the store returns it.
• Loading / failure → —.

Verification (local dev against production portal data)

Local dev cannot call the portal directly (CORS), so it was tested through a throwaway local proxy that forwards to mr.lbkrs.com and adds CORS headers (not committed).

Cycle	HK LV2 Advanced	OPRA US Options
Monthly	HKD 498 /mo	HKD 28 /mo
Quarterly	HKD 998 /quarter, ≈HKD 333/mo	HKD 58 /quarter, ≈HKD 19/mo
Annual	HKD 3698 /year −38%, ≈HKD 308/mo, was HKD 5976	HKD 188 /year −44%, ≈HKD 16/mo, was HKD 336

• /zh-CN/pricing renders 月付 / 季付 / 年付 with the same data.
• region=US → Pricing link, See pricing and the paid plans are hidden; region=hk → shown; no region → /api/_ping called, x-ip-region: HK read, shown.
• Logged-in branch tested by stubbing the login bridge and calling isUSUser() (US app_id → true even with region=hk; HK app_id → false even with region=US).
• In a real browser on open.longbridge.com and open-canary.longbridge.xyz, /api/_ping returns 200 and x-ip-region is readable.
• oxlint: clean on the changed files.

Not verified: a real US IP end-to-end, and a real logged-in US session on this branch.

Notes

• Canary portal data has no US_OPRA_LV1_OpenAPI and only annual for HK LV2, so on canary the OPRA card shows — and fewer cycles.
• The US tenant app_id list now exists in three places (BaseLayout.astro inline bootstrap, packages/tryit, and the new file); the new file notes they must match.
• Rebased onto docs: scope markets, paper trading and OTC wording to account regions #1305 (pricing FAQ wording) without conflicts.

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