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- Fix webhook URLs: /payment/webhook/<provider> not /payment/<provider>/notify
- Remove notifyUrl/returnUrl from provider config tables (auto-generated by UI)
- Adjust wxpay publicKeyId/certSerial to match frontend optional marking

- Add docs/PAYMENT.md and docs/PAYMENT_CN.md with full payment setup guide
- Mark Sub2ApiPay as deprecated in ecosystem tables (payment is now built-in)
- Add built-in payment system to features list in all 3 READMEs

feat(payment): add complete payment system with multi-provider support

# Conflicts:
#	frontend/src/api/admin/settings.ts
#	frontend/src/stores/app.ts
#	frontend/src/types/index.ts
#	frontend/src/views/admin/SettingsView.vue

Upstream removed sora feature (090_drop_sora.sql) but left i18n keys
and wire.go references. Clean up:
- Remove entire sora i18n block from en.ts and zh.ts (~190 lines)
- Remove sora nav key and unused 'data' settings tab key
- Remove sora_client_enabled from settings (fork-specific)
- Remove SoraMediaCleanupService from wire.go

The API client's error interceptor was dropping the reason and metadata
fields from backend error responses. This caused PaymentView to miss
specific error codes (TOO_MANY_PENDING, CANCEL_RATE_LIMITED) and fall
back to generic error messages.

Stripe payment path was setting expiresAt to empty string, causing
PaymentStatusPanel to fall back to hardcoded 30-minute default when
the popup redirect switches to the waiting view.

 fix: 修复多个 UI 和功能问题 - 表格排序搜索、导出逻辑、分页配置和状态筛选

Backend:
- Parse EasyPay `payurl2` field, prefer H5 link on mobile
- Add `device=mobile` to EasyPay submit.php (popup) mode
- Expand isMobile detection keywords (add ipad/ipod)

Frontend:
- Add `isMobileDevice()` utility (userAgentData + UA regex)
- Mobile + pay_url: direct redirect instead of QR/popup
- Popup blocked fallback: auto-redirect when window.open fails
- Stripe WeChat Pay: dynamic client param (mobile_web vs web)

Backend:
- Split payment_order.go (546→314 lines) into payment_order_lifecycle.go
- Replace magic strings with constants in factory, easypay, webhook handler
- Add rate limit/validity unit constants in payment_order_lifecycle, payment_service
- Fix critical regression: add PaymentEnabled to GetPublicSettings response
- Add missing migration 099_fix_migrated_purchase_menu_label_icon.sql

Frontend:
- Fix StripePopupView.vue: replace `as any` with typed interface, use extractApiErrorMessage
- Fix AdminOrderTable.vue: replace hardcoded column labels with i18n t() calls
- Fix SubscriptionsView.vue: replace hardcoded Today/Tomorrow with i18n
- Extract duplicate statusBadgeClass/canRefund/formatOrderDateTime to orderUtils.ts
- Add missing i18n keys: common.today, common.tomorrow, payment.orders.orderType/actions
- Remove dead PurchaseSubscriptionView.vue (replaced by PaymentView)

The built-in payment system replaces the old external purchase subscription
iframe approach. Remove purchase_subscription_enabled/url from admin settings
interface and form defaults, as the Payment tab now handles this functionality.
Kept in stores/app.ts fallback to match backend DTO response structure.

- Add payment navigation to AppSidebar (user orders + admin payment menu group with collapse)
- Add 5 missing nav i18n keys (myOrders, orderManagement, paymentDashboard, paymentConfig, paymentPlans)
- Renumber payment migrations 090-100 → 092-102 to avoid conflict with upstream 090/091
- Remove non-payment sora_client_enabled change, restore upstream purchase_subscription fields
- Remove extra 'data' from SettingsTab type union

Add a full payment and subscription system supporting EasyPay (Alipay/WeChat),
Stripe, and direct Alipay/WeChat Pay providers with multi-instance load balancing.

fix: 同步 LoadFactor 到调度快照缓存

feat: 为openai分组增加messages调度模型映射并支持instructions模板注入

fix(ops): 将错误日志请求体存储限制从 10KB 提升至 256KB

fix: include home_content URL in CSP frame-src origins

feat(auth): support OIDC login and prefer IdP real email on sign-in

LoadFactor 字段在构建调度快照缓存时缺失，导致调度算法
EffectiveLoadFactor() 无法使用配置的负载因子，回退到 Concurrency。
这会影响账号的负载率计算，进而影响调度优先级。

修复：在 buildSchedulerMetadataAccount 中添加 LoadFactor 字段。

10KB is too aggressive for modern LLM API requests where conversation
context routinely exceeds 1MB. This causes error logs to contain only
a minimal placeholder, making it impossible to debug upstream failures.

256KB retains enough context for effective debugging while the existing
multi-pass trimming logic handles larger payloads gracefully.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>