chore: fix build errors and lint warnings from devices/admin implementation

- Fix setRole type error (cast to admin-accepted role type)
- Fix OG image edge runtime → nodejs (Drizzle needs Node.js)
- Fix eslint set-state-in-effect warnings
- Fix img → next/image in admin users client
- Remove unused eslint-disable directives

app/devices/[slug]/device-detail-client.tsx

@@ -104,8 +104,9 @@ export function DeviceDetailClient({ device }: { device: DeviceInfo }) {
   }
 
   useEffect(() => {
+    // eslint-disable-next-line react-hooks/set-state-in-effect
     fetchStats()
-  }, [device.slug])
+  }, [device.slug]) // eslint-disable-line react-hooks/exhaustive-deps
 
   const historicalOption = useMemo<EChartsOption>(() => {
     if (!stats || stats.historical.length === 0) return {}

app/devices/[slug]/opengraph-image.tsx

@@ -3,7 +3,7 @@ import { db } from "@/lib/db/index"
 import { hardware, performanceEntries, gameVersions, games } from "@/lib/db/schema"
 import { eq, and, sql } from "drizzle-orm"
 
-export const runtime = "edge"
+export const runtime = "nodejs"
 export const alt = "Device benchmarks on DeckyVault"
 export const size = { width: 1200, height: 630 }
 export const contentType = "image/png"