thread-master/docs/product/growth-loop/tasks/T331-checkup-api-no-usage-debit.md

T331 — checkup-api-no-usage-debit

Status: done
Milestone: M2
Kind: feat
Est. change: ~160 lines

Goal

完成後系統應：Checkup API latest/list/get/generateNow；7 日≤2 次重產；任何健檢 AI 路徑不寫 Usage 扣點；完成發通知。

Depends on

• T330
• T300

Inputs

• Spec：../spec.md §4.2、§5.2、CU-03～05
• 既有 usage recorder、notification

Outputs

路徑	動作	說明
apps/backend/internal/logic/**/checkup*/**	edit	API
usage 呼叫點	edit	健檢 path 跳過 meter

行為變更

• generateNow 超限明確錯誤
• ready → notification

Out of scope

• FE

Acceptance

• Spec：CU-03、CU-04、CU-05
• Test 斷言無 checkup debit UsageEvent
• 指令：

cd apps/backend && go test ./internal/... -run CU_0|Checkup -count=1

Notes

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