[Bug] Claude randomly switches to French despite non-French conversation history

Bug Description
claude randomly switch to french when talking before in a mix between german and english. german any english mix is fine, but my french is to bad to randomly switch to it. please make it stop!

Environment Info

• Platform: linux
• Terminal: pycharm
• Version: 2.0.26
• Feedback ID: a6d4d19c-78bd-4231-b6c0-0e14fbefb837

Errors

[{"error":"AxiosError: Request failed with status code 401\n    at wR (file:///home/dev/.nvm/versions/node/v24.3.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:24:1136)\n    at IncomingMessage.<anonymous> (file:///home/dev/.nvm/versions/node/v24.3.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:29:9845)\n    at IncomingMessage.emit (node:events:519:35)\n    at IncomingMessage.emit (node:domain:489:12)\n    at endReadableNT (node:internal/streams/readable:1701:12)\n    at process.processTicksAndRejections (node:internal/process/task_queues:90:21)\n    at v3A.request (file:///home/dev/.nvm/versions/node/v24.3.0/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 xh2 (file:///home/dev/.nvm/versions/node/v24.3.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:3574:15132)","timestamp":"2025-10-27T08:20:32.208Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at JD (file:///home/dev/.nvm/versions/node/v24.3.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1175:4413)\n    at file:///home/dev/.nvm/versions/node/v24.3.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1175:4141\n    at Array.map (<anonymous>)\n    at OF (file:///home/dev/.nvm/versions/node/v24.3.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1175:4132)\n    at nRQ (file:///home/dev/.nvm/versions/node/v24.3.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1798:6323)\n    at Vw (file:///home/dev/.nvm/versions/node/v24.3.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:73:19414)\n    at tr (file:///home/dev/.nvm/versions/node/v24.3.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:75:42806)\n    at P9 (file:///home/dev/.nvm/versions/node/v24.3.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:75:38347)\n    at Ec (file:///home/dev/.nvm/versions/node/v24.3.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:75:38275)\n    at Lw (file:///home/dev/.nvm/versions/node/v24.3.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:75:38129)","timestamp":"2025-10-27T09:11:36.913Z"}]