feat(w-12): brief workflow UI — list, create, detail, NewJob pre-fill
- BriefsList.tsx: table with status badge, submitted badge count
- NewBrief.tsx: form with title, description, outputs, language picker,
deadline, project selector; calls POST /briefs
- BriefDetail.tsx: status actions — Submit (DRAFT), Approve (SUBMITTED,
admin/PM), Create Job link (?brief_id=) for APPROVED briefs
- NewJob.tsx: reads ?brief_id, fetches brief via useBrief, pre-fills
languages/outputs/deadline/project_id; sends brief_id in FormData
- Sidebar: Briefs link (client/production/admin/PM) with submitted-count
badge from useBriefs()
- JobCreateRequest type: brief_id optional field
- briefs API methods: listBriefs, createBrief, getBrief, submitBrief,
approveBrief; hooks: useBriefs, useBrief, useCreateBrief,
useSubmitBrief, useApproveBrief
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
fe608401be