Data model:
- Add IAMUserProject model (sub-account → N projects, each with monitoring toggle)
- Remove old single project_name from IAMUser model
- Update SpendingRecord with per-project granularity
Backend:
- Project CRUD views: list/add/update-toggle/delete/toggle-all
- Create user view auto-adds first project if specified
- Scheduler aggregates spending across all enabled projects per user
- Per-project spending recorded in SpendingRecord + IAMUserProject.current_spending
- Alert details include per-project spending breakdown
Frontend:
- New "项目管理" dialog: add projects from Volcengine dropdown, toggle monitoring per project, remove projects, batch toggle all
- "项目" column in user table showing monitored/total count (clickable)
- BillingView: expandable rows showing per-project spending breakdown
- Create dialog: optional initial project selection
- Removed old single-project select from config dialog
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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