[Bug] Korean text output corrupted with character encoding errors

Bug Description
I requested the document to be written in Korean, but it was encoded incorrectly. I experienced it three times in one day.

Ex) Encoding issue result

## ScrollKeeper - ^XtÀ T¨ & ¤ld ^DX ^AÈl

## ©^A

ù |°Õ ^Q ^Q^T\ ^XtÀ| ^AÈlXà, tù ^XtÀX T¨@ ¤ld ^DX| ^@¥X^T ll U¥^D\ø¨D ^\^QiÈä. ¬©^P^@ ^X^QÐ ^XtÀ| äÜ )8` L ^@¥^\ ¤ld ^DX\ ^PÙ<\ tÙXà, ^Q1\ T¨| Ux` ^X ^HµÈä.

**ü^T ¬© Ü^X¬$:**
- 4 DðtD }ä^@ ^Qè\ ½°, äLÐ )8 Ü }X ^DX\ ^PÙ tÙ
- ù^XtÀÄ\ ^Dè\ T¨| ¨¨ ^X^QÐ 8à
- ^@¥^\ ^XtÀ ©]D ^@ÉXì `t^L >0
- T tÁ D^T Æ^T ^XtÀ ^Uô^T ­^\

**0¥ ^Tl¬m:**
- ^E ù^XtÀù 1^\X T¨ (\^@ 100^@^P ^\\)
- ^E ^XtÀX ¤ld ^DX ^PÙ ^@¥
- ^E ^XtÀ ¬)8 Ü ^@¥^\ ¤ld ^DX\ ^PÙ tÙ
- ^E ^XtÀ ^Uô ^@¥/­^\ 0¥
- ^E T¨ ^@É 0¥
- ^E ^D¬ ^XtÀ ^@¥ ì^@| DtX<\ \Ü
- ^E x^@ pt0 t¤ ^HD^T (chrome.storage ¬©)

---

## 0  ¤Ý

- **Chrome Extension Manifest V3**: \à ll U¥^D\ø¨ ^E8
- **HTML/CSS**: ^\^X HTMLü CSS\ UI l^D
- **Vanilla JavaScript**: |tì¬ Æt ^\^X ^P^T¤l½¸ ¬©
- **Chrome APIs**:
  - `chrome.storage.local`: \ì pt0 ^@¥
  - `chrome.tabs`: í ^Uô p^L
  - `chrome.action`: U¥^D\ø¨ DtX ^\´
  - `chrome.scripting`: Content Script ü^E

Environment Info

• Platform: darwin
• Terminal: tmux
• Version: 2.0.29
• Feedback ID: 6bc1be2f-9c2e-46f8-8bfc-ab688cfbeb1d

Errors

[{"error":"AxiosError: Request failed with status code 401\n    at wR (file:///Users/stefancho/.nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:24:1136)\n    at IncomingMessage.<anonymous> (file:///Users/stefancho/.nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:29:9845)\n    at IncomingMessage.emit (node:events:530:35)\n    at IncomingMessage.emit (node:domain:489:12)\n    at endReadableNT (node:internal/streams/readable:1698:12)\n    at process.processTicksAndRejections (node:internal/process/task_queues:90:21)\n    at m3A.request (file:///Users/stefancho/.nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:31:2129)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async eh2 (file:///Users/stefancho/.nvm/versions/node/v22.14.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:3573:15125)","timestamp":"2025-10-31T23:37:09.389Z"}]