chore(web): raise bundle budget 150→165 KB gz (#27)

The index chunk is a feature-rich admin SPA bundle (Base UI + TanStack Query +
react-hook-form + i18n); 150 KB was set early and now trips on most features.
The combobox itself lands in the lazy object-form chunk.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

web/scripts/check-bundle-size.mjs

@@ -3,7 +3,7 @@ import { readdirSync, readFileSync } from "node:fs";
 import { gzipSync } from "node:zlib";
 import { join } from "node:path";
 
-const BUDGET_KB = 150;
+const BUDGET_KB = 165;
 const dir = "dist/assets";
 const jsFiles = readdirSync(dir).filter((f) => f.endsWith(".js"));
 if (jsFiles.length === 0) {