[Bug] Language resets to English after auto-compact

Bug Description
After compaction, the language changed to English. For example, I was speaking with Claude in Spanish, and now Claude is speaking English.

Environment Info

• Platform: darwin
• Terminal: WarpTerminal
• Version: 2.0.61
• Feedback ID: 8c2cd61d-779b-45a7-bf57-c7bc0f1efa0b

Errors

[{"error":"AxiosError: Request failed with status code 401\n    at cS (file:///Users/mando/.local/share/fnm/node-versions/v22.21.0/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:171:1137)\n    at IncomingMessage.<anonymous> (file:///Users/mando/.local/share/fnm/node-versions/v22.21.0/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:172:9852)\n    at IncomingMessage.emit (node:events:531:35)\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 wHA.request (file:///Users/mando/.local/share/fnm/node-versions/v22.21.0/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:174:2130)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async qS2 (file:///Users/mando/.local/share/fnm/node-versions/v22.21.0/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:2064:6679)","timestamp":"2025-12-08T16:20:27.988Z"},{"error":"Error: 429 {\"type\":\"error\",\"error\":{\"type\":\"rate_limit_error\",\"message\":\"This request would exceed your account's rate limit. Please try again later.\"},\"request_id\":\"req_011CVwc9HKCMfkDdiHfD3pi7\"}\n    at V9.generate (file:///Users/mando/.local/share/fnm/node-versions/v22.21.0/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:106:10526)\n    at rT.makeStatusError (file:///Users/mando/.local/share/fnm/node-versions/v22.21.0/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:1283:2195)\n    at rT.makeRequest (file:///Users/mando/.local/share/fnm/node-versions/v22.21.0/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:1283:5419)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async Q71.model (file:///Users/mando/.local/share/fnm/node-versions/v22.21.0/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:4129:10426)\n    at async Q71 (file:///Users/mando/.local/share/fnm/node-versions/v22.21.0/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:2064:3271)\n    at async pz9 (file:///Users/mando/.local/share/fnm/node-versions/v22.21.0/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:4129:10580)\n    at async file:///Users/mando/.local/share/fnm/node-versions/v22.21.0/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:4129:3864\n    at async lo1 (file:///Users/mando/.local/share/fnm/node-versions/v22.21.0/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:1435:2037)\n    at async gXA (file:///Users/mando/.local/share/fnm/node-versions/v22.21.0/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:4129:3834)","timestamp":"2025-12-09T18:43:45.266Z"},{"error":"Error: Request was aborted.\n    at Ao._createMessage (file:///Users/mando/.local/share/fnm/node-versions/v22.21.0/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:110:3151)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)","timestamp":"2025-12-09T22:53:11.117Z"},{"error":"Error: 429 {\"type\":\"error\",\"error\":{\"type\":\"rate_limit_error\",\"message\":\"This request would exceed your account's rate limit. Please try again later.\"},\"request_id\":\"req_011CVxBLKpf4vrhnbf6E7DXF\"}\n    at V9.generate (file:///Users/mando/.local/share/fnm/node-versions/v22.21.0/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:106:10526)\n    at rT.makeStatusError (file:///Users/mando/.local/share/fnm/node-versions/v22.21.0/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:1283:2195)\n    at rT.makeRequest (file:///Users/mando/.local/share/fnm/node-versions/v22.21.0/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:1283:5419)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async Q71.model (file:///Users/mando/.local/share/fnm/node-versions/v22.21.0/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:4129:10426)\n    at async Q71 (file:///Users/mando/.local/share/fnm/node-versions/v22.21.0/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:2064:3271)\n    at async pz9 (file:///Users/mando/.local/share/fnm/node-versions/v22.21.0/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:4129:10580)\n    at async file:///Users/mando/.local/share/fnm/node-versions/v22.21.0/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:4129:3622\n    at async lo1 (file:///Users/mando/.local/share/fnm/node-versions/v22.21.0/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:1435:2037)\n    at async Bx (file:///Users/mando/.local/share/fnm/node-versions/v22.21.0/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:4129:359

Note: Error logs were truncated.