Optimize package management with catalog and exact versions

- Add catalog feature to centralize common dependency versions
- Convert all package versions to exact (remove ^ prefixes)
- Move prettier to root package only to reduce duplication
- Configure bunfig.toml for exact dependency installs
- Improve version consistency across workspace packages

🤖 Generated with opencode
Co-Authored-By: opencode <noreply@opencode.ai>

packages/web/package.json

@@ -10,20 +10,24 @@
     "astro": "astro"
   },
   "dependencies": {
-    "@astrojs/markdown-remark": "^6.3.1",
-    "@astrojs/solid-js": "^5.1.0",
-    "@astrojs/starlight": "^0.34.3",
-    "@fontsource/ibm-plex-mono": "^5.2.5",
-    "@shikijs/transformers": "^3.4.2",
-    "@types/luxon": "^3.6.2",
-    "ai": "^5.0.0-alpha.2",
-    "astro": "^5.7.13",
-    "diff": "^8.0.2",
-    "luxon": "^3.6.1",
-    "rehype-autolink-headings": "^7.1.0",
-    "sharp": "^0.32.5",
-    "shiki": "^3.4.2",
-    "solid-js": "^1.9.7",
-    "toolbeam-docs-theme": "^0.2.4"
+    "@astrojs/markdown-remark": "6.3.1",
+    "@astrojs/solid-js": "5.1.0",
+    "@astrojs/starlight": "0.34.3",
+    "@fontsource/ibm-plex-mono": "5.2.5",
+    "@shikijs/transformers": "3.4.2",
+    "@types/luxon": "3.6.2",
+    "ai": "catalog:",
+    "astro": "5.7.13",
+    "diff": "8.0.2",
+    "luxon": "3.6.1",
+    "rehype-autolink-headings": "7.1.0",
+    "sharp": "0.32.5",
+    "shiki": "3.4.2",
+    "solid-js": "1.9.7",
+    "toolbeam-docs-theme": "0.2.4"
+  },
+  "devDependencies": {
+    "typescript": "catalog:",
+    "@types/node": "catalog:"
   }
 }