refactor: 把 /derivatives 的多源编排从 controller 搬进 usecase
为什么:原 controller handler 在 HTTP 层同时承担了 4 项 usecase 职责 (多源拼装、错误降级策略、limit 硬编码、响应结构组装),违反了 "controller 只做参数解析 + 调用 + 序列化" 的边界。等后续给衍生品加 缓存 / taker volume / 数据质量字段时,HTTP 层会持续变厚。 改动: - 新增 internal/usecase/market_query.go: MarketQueryUsecase.GetDerivatives() 并发拉 current funding/OI + 串行查历史 + 错误聚合为 warnings 返回 - /derivatives handler 退化到 4 行;MarketDeps / restapi.Deps 同步收窄 - /klines 保持直查 KlineRepo(thin query,G11 例外) - 新增 G11 守卫:grep "FundingRepo|OIRepo|LSRepo|TakerRepo" internal/controller 破坏性 API 变更(/derivatives 响应): - 删除 funding.error / openInterest.error - 新增顶层 warnings: []string 顶层 symbol / funding / openInterest / longShortRatio / takerBuySellVolume 保持。 harness 同步: - AGENTS.md §6 加 G11 grep - ai/project-map.md 加 market_query.go + /derivatives 数据流分支 - ai/task-templates.md T6 加"破坏性变体"分支(本次重构暴露了原假设过严) - ai/harness-health.md W1 记一次轻量验证 + 守卫数 10→11 验收: go build / go vet / G6 grep / G11 grep 全绿。
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@@ -11,14 +11,11 @@ import (
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)
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type Deps struct {
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Logger *slog.Logger
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MarketContext *usecase.MarketContextUsecase
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MarketData usecase.MarketDataProvider
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Derivatives usecase.DerivativesProvider
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KlineRepo usecase.KlineRepository
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FundingRepo usecase.FundingRepository
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OIRepo usecase.OpenInterestRepository
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LSRepo usecase.LongShortRatioRepository
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Logger *slog.Logger
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MarketContext *usecase.MarketContextUsecase
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MarketQuery *usecase.MarketQueryUsecase
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MarketData usecase.MarketDataProvider
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KlineRepo usecase.KlineRepository
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}
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func Register(app *fiber.App, deps Deps) {
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@@ -29,11 +26,8 @@ func Register(app *fiber.App, deps Deps) {
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v1.RegisterHealth(api)
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v1.RegisterMarket(api, v1.MarketDeps{
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MarketContext: deps.MarketContext,
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MarketQuery: deps.MarketQuery,
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MarketData: deps.MarketData,
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Derivatives: deps.Derivatives,
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KlineRepo: deps.KlineRepo,
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FundingRepo: deps.FundingRepo,
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OIRepo: deps.OIRepo,
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LSRepo: deps.LSRepo,
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})
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}
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