[Bug] Tool call output formatting includes extra "count" field

Bug Description
WHY "count"????? you said: 關於 count：那是我輸出工具呼叫時多打了一個字的格式瑕疵，完全是我的問題、跟你的環境或 token 無關，我已盡力避免。

Environment Info

• Platform: linux
• Terminal: gnome-terminal
• Version: 2.1.190
• Feedback ID: 681c2324-0e81-459c-87b0-c5719f9cf75c

Errors

[{"error":"AxiosError: Request failed with status code 503\n    at toe (/$bunfs/root/src/entrypoints/cli.js:124:1196)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:129:15337)\n    at emit (node:events:92:22)\n    at endReadableNT (internal:streams/readable:865:50)\n    at processTicksAndRejections (native:7:39)\n    at request (/$bunfs/root/src/entrypoints/cli.js:131:2510)\n    at async bTe (/$bunfs/root/src/entrypoints/cli.js:259:280015)\n    at async Wdn (/$bunfs/root/src/entrypoints/cli.js:259:286555)\n    at async startOAuthFlow (/$bunfs/root/src/entrypoints/cli.js:2761:17271)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-07-06T19:31:13.252Z"},{"error":"AxiosError: Request failed with status code 503\n    at toe (/$bunfs/root/src/entrypoints/cli.js:124:1196)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:129:15337)\n    at emit (node:events:92:22)\n    at endReadableNT (internal:streams/readable:865:50)\n    at processTicksAndRejections (native:7:39)\n    at request (/$bunfs/root/src/entrypoints/cli.js:131:2510)\n    at async bTe (/$bunfs/root/src/entrypoints/cli.js:259:280015)\n    at async dWe (/$bunfs/root/src/entrypoints/cli.js:2786:238)\n    at async <anonymous> (/$bunfs/root/src/entrypoints/cli.js:2809:4038)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-07-06T19:31:13.571Z"}]