chore(deps): bump openai to ^4.104.0 and @types/bun to ^1.3.14

Also refreshes bun.lock to pick up @anthropic-ai/sdk 0.65.0 and
@types/node 24.12.4 within existing version ranges. All bumps stay
within the same major to avoid breaking changes.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

package.json

@@ -54,10 +54,10 @@
   "dependencies": {
     "@anthropic-ai/sdk": "^0.65.0",
     "@google/generative-ai": "^0.24.1",
-    "openai": "^4.103.0"
+    "openai": "^4.104.0"
   },
   "devDependencies": {
-    "@types/bun": "latest",
+    "@types/bun": "^1.3.14",
     "@types/node": "^24.0.0"
   },
   "peerDependencies": {