feat(db): phase 4 group 5 — dashboard/reports/settings/notifications/users routes to Drizzle

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

app/api/dashboard/stats/route.ts

@@ -1,8 +1,10 @@
 export const dynamic = 'force-dynamic'
 
 import { NextResponse } from 'next/server'
-import { createClient } from '@/lib/supabase/server'
 import { getSession } from '@/lib/auth/get-session'
+import { withUser } from '@/lib/db/with-user'
+import { incidents, sites } from '@/lib/db/schema'
+import { eq } from 'drizzle-orm'
 
 export async function GET() {
   const session = await getSession()
@@ -10,28 +12,30 @@ export async function GET() {
   if (!['hse', 'admin', 'management'].includes(session.role))
     return NextResponse.json({ error: 'Forbidden' }, { status: 403 })
 
-  const supabase = await createClient()
-
-  const { data: incidents, error } = await supabase
-    .from('incidents')
-    .select('id, status, incident_type, sites (name)')
+  const rows = await withUser(session.sub, async tx =>
+    tx.select({
+      id: incidents.id,
+      status: incidents.status,
+      incidentType: incidents.incidentType,
+      siteName: sites.name,
+    })
+    .from(incidents)
+    .leftJoin(sites, eq(incidents.siteId, sites.id))
     .limit(10000)
+  )
 
-  if (error) return NextResponse.json({ error: 'Failed to fetch stats' }, { status: 500 })
-
-  const rows = incidents ?? []
   const total = rows.length
   const closed = rows.filter(r => r.status === 'closed').length
   const open = total - closed
 
   const by_type: Record<string, number> = {}
   for (const r of rows) {
-    by_type[r.incident_type] = (by_type[r.incident_type] ?? 0) + 1
+    by_type[r.incidentType] = (by_type[r.incidentType] ?? 0) + 1
   }
 
   const siteMap: Record<string, number> = {}
   for (const r of rows) {
-    const name = (r.sites as unknown as { name: string } | null)?.name ?? 'Unknown'
+    const name = r.siteName ?? 'Unknown'
     siteMap[name] = (siteMap[name] ?? 0) + 1
   }
   const by_site = Object.entries(siteMap).map(([name, count]) => ({ name, count }))