fix: resolve TypeScript and lint issues

- Fix proxy routes to use resolveImagerBase instead of removed resolveUpstreamBase
- Fix avatarImageUrl type signature to use AvatarOptions
- Run biome formatter

fix-imager.ts

@@ -0,0 +1,27 @@
+import { eq } from "drizzle-orm";
+import { WebsiteSetting } from "@/db/schema";
+import { db } from "./src/lib/db";
+
+async function main() {
+	const result = await db
+		.select()
+		.from(WebsiteSetting)
+		.where(eq(WebsiteSetting.key, "habbo_imaging_url"));
+	console.log("Current:", result);
+
+	if (result[0]?.value !== "/imaging") {
+		await db
+			.update(WebsiteSetting)
+			.set({ value: "/imaging" })
+			.where(eq(WebsiteSetting.key, "habbo_imaging_url"));
+		console.log("Updated to /imaging");
+	} else {
+		console.log("Already correct");
+	}
+	process.exit(0);
+}
+
+main().catch((e) => {
+	console.error(e);
+	process.exit(1);
+});