chore(web): remove unused dependencies

Co-authored-by: opencode-agent[bot] <opencode-agent[bot]@users.noreply.github.com>

packages/web/package.json

@@ -17,10 +17,8 @@
     "@astrojs/solid-js": "5.1.0",
     "@astrojs/starlight": "0.34.3",
     "@fontsource/ibm-plex-mono": "5.2.5",
-    "@shikijs/transformers": "3.20.0",
     "@solid-primitives/resize-observer": "2.1.5",
     "@types/luxon": "catalog:",
-    "ai": "catalog:",
     "astro": "5.7.13",
     "diff": "catalog:",
     "js-base64": "3.7.7",
@@ -29,7 +27,6 @@
     "marked": "catalog:",
     "marked-shiki": "catalog:",
     "rehype-autolink-headings": "7.1.0",
-    "remeda": "catalog:",
     "shiki": "catalog:",
     "solid-js": "catalog:",
     "toolbeam-docs-theme": "0.4.8",