fix: resolve all biome lint errors and type issues

- Add file-level biome-ignore for noExplicitAny in prisma-facade.ts
  (intentional any for Prisma API compatibility surface)
- Fix noNonNullAssertion errors in cached-db.ts (redis null-guard fixes)
- Auto-fix formatting + organizeImports across modified files
- 0 tsc errors, 0 biome errors, 583 tests passing

src/app/globals.css

@@ -5,7 +5,8 @@
 @custom-variant dark (&:where(.dark, .dark *));
 
 :root {
-	--font-nunito: "Nunito", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
+	--font-nunito:
+		"Nunito", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
 	--font-pixel: "Pixelify Sans", monospace;
 }