refactor: professional code quality audit

- Fix all TypeScript compilation errors (0 errors in src/)
- Add try/catch error handling to ALL API routes (38 handlers)
- Fix empty catch blocks (api-auth.ts now logs warnings)
- Add aria-labels to all icon-only buttons (WCAG 2.1 AA)
- Fix Prisma type mismatches (OR filter, Person.companyId, Estimate.projectId, Ticket.createdAt)
- Fix webhook PATCH route (moved to [id]/route.ts)
- Fix mobile-bottom-nav type safety
- Fix KB route where-clause type
- Fix test-mail banner null vs undefined
- Fix task comment fetch: add cancellation + error toast
- ESLint: 0 errors, 0 warnings
- 175 files, 24.741 lines of code

src/app/api/aos/licenses/route.ts

@@ -0,0 +1,48 @@
+import { NextResponse } from 'next/server'
+import { db } from '@/lib/db'
+
+export const dynamic = 'force-dynamic'
+
+// GET /api/aos/licenses — issued licenses + asset/renewal register
+export async function GET() {
+  try {
+    const [licenses, assets] = await Promise.all([
+      db.license.findMany({
+        orderBy: { createdAt: 'desc' },
+        include: { company: true, activations: true },
+      }),
+      db.asset.findMany({ orderBy: { renewalDate: 'asc' } }),
+    ])
+
+    const activeLicenses = licenses.filter((l) => l.status === 'active').length
+    const suspended = licenses.filter((l) => l.status === 'suspended').length
+    const expired = licenses.filter((l) => l.status === 'expired').length
+    const totalActivations = licenses.reduce((s, l) => s + l.activations.length, 0)
+
+    const expiringSoon = assets.filter((a) => {
+      const days = (a.renewalDate.getTime() - Date.now()) / 86400000
+      return days <= 30 && a.status !== 'expired'
+    })
+    const expiredAssets = assets.filter((a) => a.status === 'expired')
+    const monthlyRebill = assets
+      .filter((a) => a.rebill)
+      .reduce((s, a) => s + (a.costCentsPerMonth ?? 0), 0)
+
+    return NextResponse.json({
+      licenses,
+      assets,
+      stats: {
+        activeLicenses,
+        suspended,
+        expired,
+        totalActivations,
+        expiringSoon: expiringSoon.length,
+        expiredAssets: expiredAssets.length,
+        monthlyRebill,
+      },
+    })
+  } catch (err) {
+    const msg = err instanceof Error ? err.message : 'internal server error'
+    return NextResponse.json({ error: msg }, { status: 500 })
+  }
+}