feat: F016 future availability workspace

2-panel workspace at /supply/future-availability: filterable signal list with FutureSignalCard (type/sensitivity/review badges + mandatory disclaimer) and collapsible detail panel with full evidence, review workflow (IN_REVIEW→APPROVED/REJECTED), shortlist action, and review task creation.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/provider/MockupFutureSignalProvider.ts

@@ -1,5 +1,6 @@
 import type { IFutureSignalProvider, FutureSignalFilters } from './IFutureSignalProvider'
 import type { FutureSignal } from '../domain/futureSignal'
+import type { ReviewStatus } from '../domain/enums'
 import { mockFutureSignals } from '../mock-data/futureSignals'
 
 const store: FutureSignal[] = [...mockFutureSignals]
@@ -11,6 +12,9 @@ export const MockupFutureSignalProvider: IFutureSignalProvider = {
     if (filters?.minProbability !== undefined) results = results.filter(s => s.probability >= filters.minProbability!)
     if (filters?.organizationId) results = results.filter(s => s.organizationId === filters.organizationId)
     if (filters?.isVerified !== undefined) results = results.filter(s => s.isVerified === filters.isVerified)
+    if (filters?.sensitivityLevel) results = results.filter(s => s.sensitivityLevel === filters.sensitivityLevel)
+    if (filters?.reviewStatus) results = results.filter(s => (s.reviewStatus ?? 'UNREVIEWED') === filters.reviewStatus)
+    if (filters?.maxTimeHorizonMonths !== undefined) results = results.filter(s => s.timeHorizonMonths <= filters.maxTimeHorizonMonths!)
     return results.sort((a, b) => b.probability - a.probability)
   },
   async getById(id) {
@@ -24,4 +28,9 @@ export const MockupFutureSignalProvider: IFutureSignalProvider = {
     store[idx] = { ...store[idx], isVerified: true, verifiedBy, verifiedAt: new Date().toISOString(), updatedAt: new Date().toISOString() }
     return store[idx]
   },
+  async updateReviewStatus(id, status: ReviewStatus) {
+    const idx = store.findIndex(s => s.id === id)
+    store[idx] = { ...store[idx], reviewStatus: status, updatedAt: new Date().toISOString() }
+    return store[idx]
+  },
 }