feat: support acp registry (#1367)

* feat(acp): polish registry setup

* fix(acp): theme registry icons

* feat(acp): cache registry svg icons

* fix(acp): harden registry integration

Author: zerob13

package.json

@@ -11,7 +11,7 @@
   },
   "packageManager": "pnpm@10.13.1+sha512.37ebf1a5c7a30d5fabe0c5df44ee8da4c965ca0c5af3dbab28c3a1681b70a256218d05c81c9c0dcf767ef6b8551eb5b960042b9ed4300c59242336377e01cfad",
   "scripts": {
-    "prebuild": "node scripts/fetch-provider-db.mjs",
+    "prebuild": "node scripts/fetch-provider-db.mjs && node scripts/fetch-acp-registry.mjs",
     "preinstall": "npx only-allow pnpm",
     "test": "vitest",
     "test:main": "vitest --config vitest.config.ts test/main",