Invalid JSON Request: Malformed Surrogate Character in API Payload

Bug Description
API Error: 400 {"type":"error","error":{"type":"invalid_request_error","message":"The request body is not valid JSON: no low
surrogate in string: line 1 column 458403 (char 458402)"}}

Environment Info

• Platform: linux
• Terminal: gnome-terminal
• Version: 1.0.72
• Feedback ID:

Errors

[{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at NX (file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1858:1184)\n    at file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1858:912\n    at Array.map (<anonymous>)\n    at LX (file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1858:903)\n    at pxB (file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:2278:9387)\n    at $R (file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:327:19859)\n    at yb (file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:329:42848)\n    at Sb (file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:329:38369)\n    at Ij (file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:329:38297)\n    at gR (file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:329:38151)","timestamp":"2025-08-09T03:47:14.797Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at NX (file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1858:1184)\n    at file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1858:912\n    at Array.map (<anonymous>)\n    at LX (file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1858:903)\n    at Object.renderToolResultMessage (file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1864:1036)\n    at QjB (file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1920:2756)\n    at $R (file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:327:19859)\n    at yb (file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:329:42848)\n    at Sb (file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:329:38369)\n    at Ij (file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:329:38297)","timestamp":"2025-08-09T03:47:27.097Z"},{"error":"Error: Request timed out.\n    at uP.makeRequest (file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:950:4429)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async RRB.rZ1.showErrors (file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1743:24594)\n    at async rZ1 (file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1743:13631)\n    at async RRB (file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1743:24445)\n    at async file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1743:19427\n    at async Iq0 (file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1743:5163)\n    at async P11 (file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1743:19397)\n    at async kS (file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:3044:3475)\n    at async kS (file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:3044:5541)","timestamp":"2025-08-09T04:03:47.558Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at NX (file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1858:1184)\n    at file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1858:912\n    at Array.map (<anonymous>)\n    at LX (file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1858:903)\n    at Object.renderToolResultMessage (file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1864:1036)\n    at QjB (file:///home/freddie/.nvm/versions/node/v22.17.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1920:2756)\n    at $R (file:///home/

Note: Error logs were truncated.