Merge PR #142: feat: 多平台网关优化与用户系统增强

主要功能： - Gemini OAuth 配额系统优化：Google One tier 自动推断 - Antigravity 网关增强：Thinking Block 重试、Claude 模型 signature 透传 - 账号调度改进：临时不可调度功能、负载感知调度优化 - 前端用户体验：账号管理界面优化、使用教程改进冲突解决：保留 handleUpstreamError 的 prefix 参数和日志记录能力，同时合并 PR 的 thinking block 重试和 model fallback 功能。

Merge PR #142: feat: 多平台网关优化与用户系统增强
主要功能： - Gemini OAuth 配额系统优化：Google One tier 自动推断 - Antigravity 网关增强：Thinking Block 重试、Claude 模型 signature 透传 - 账号调度改进：临时不可调度功能、负载感知调度优化 - 前端用户体验：账号管理界面优化、使用教程改进冲突解决：保留 handleUpstreamError 的 prefix 参数和日志记录能力，同时合并 PR 的 thinking block 重试和 model fallback 功能。
e78c8646 · shaw · 4df71262 · a4953785 · e78c8646 · e78c8646
Commit e78c8646 authored Jan 04, 2026 by shaw
--- a/backend/internal/service/gemini_oauth_service_test.go
+++ b/backend/internal/service/gemini_oauth_service_test.go
--- a/backend/internal/service/gemini_quota.go
+++ b/backend/internal/service/gemini_quota.go
--- a/backend/internal/service/openai_gateway_service.go
+++ b/backend/internal/service/openai_gateway_service.go
--- a/backend/internal/service/ratelimit_service.go
+++ b/backend/internal/service/ratelimit_service.go
--- a/backend/internal/service/setting_service.go
+++ b/backend/internal/service/setting_service.go
--- a/backend/internal/service/settings_view.go
+++ b/backend/internal/service/settings_view.go
--- a/backend/internal/service/temp_unsched.go
+++ b/backend/internal/service/temp_unsched.go
--- a/backend/internal/service/token_refresher_test.go
+++ b/backend/internal/service/token_refresher_test.go
--- a/backend/internal/service/update_service.go
+++ b/backend/internal/service/update_service.go
--- a/backend/internal/service/usage_log.go
+++ b/backend/internal/service/usage_log.go
--- a/backend/internal/service/usage_service.go
+++ b/backend/internal/service/usage_service.go
--- a/backend/internal/service/user.go
+++ b/backend/internal/service/user.go
--- a/backend/internal/service/user_attribute_service.go
+++ b/backend/internal/service/user_attribute_service.go
--- a/backend/internal/service/wire.go
+++ b/backend/internal/service/wire.go
--- a/backend/internal/setup/cli.go
+++ b/backend/internal/setup/cli.go
--- a/backend/internal/setup/setup.go
+++ b/backend/internal/setup/setup.go
--- a/backend/internal/web/embed_off.go
+++ b/backend/internal/web/embed_off.go
--- a/backend/migrations/020_add_temp_unschedulable.sql
+++ b/backend/migrations/020_add_temp_unschedulable.sql
--- a/backend/migrations/026_ops_metrics_aggregation_tables.sql
+++ b/backend/migrations/026_ops_metrics_aggregation_tables.sql
--- a/backend/migrations/027_usage_billing_consistency.sql
+++ b/backend/migrations/027_usage_billing_consistency.sql