add ai dependency to common and sdk

Author: charleslien

common/package.json

@@ -36,6 +36,7 @@
     "@types/pg": "^8.11.10",
     "@types/readable-stream": "^4.0.18",
     "@types/seedrandom": "^3.0.8",
+    "ai": "4.3.16",
     "drizzle-kit": "0.28.1",
     "drizzle-orm": "0.36.4",
     "ignore": "5.3.2",

sdk/package.json

@@ -51,6 +51,7 @@
     "url": "https://github.com/codebuff/codebuff/issues"
   },
   "dependencies": {
+    "ai": "4.3.16",
     "zod": "^3.23.8"
   },
   "devDependencies": {