build(deps): migrate workspace dependencies to catalogs

Move direct external dependency versions into pnpm catalogs and update workspace packages to reference catalog entries.

Signed-off-by: RainbowBird <git@luoling.moe>

Commit-Message-Assisted-by: Codex

packages/core-agent/package.json

@@ -51,19 +51,19 @@
     "@xsai/shared-chat": "catalog:",
     "@xsai/stream-text": "catalog:",
     "@xsai/tool": "catalog:",
-    "nanoid": "^5.1.9",
-    "rehype-parse": "^9.0.1",
-    "rehype-stringify": "^10.0.1",
-    "unified": "^11.0.5",
-    "unist-util-visit": "^5.1.0",
+    "nanoid": "catalog:nanoid-5-1-9",
+    "rehype-parse": "catalog:",
+    "rehype-stringify": "catalog:",
+    "unified": "catalog:",
+    "unist-util-visit": "catalog:",
     "vieval": "catalog:",
     "xsschema": "catalog:",
-    "zod": "^4.3.6"
+    "zod": "catalog:"
   },
   "devDependencies": {
     "@types/hast": "catalog:",
     "@types/unist": "catalog:",
     "tsdown": "catalog:",
-    "typescript": "^5.9.3"
+    "typescript": "catalog:"
   }
 }