[Bug] Anthropic API Error: Invalid JSON Request Body Parsing

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 98338 (char
98337)"},"request_id":"req_011CSiuSS2p1NXosxpmraUqq"}

Environment Info

• Platform: darwin
• Terminal: ghostty
• Version: 1.0.100
• Feedback ID: 7149aee3-9e35-4df3-8220-adf84824ce73

Errors

[{"error":"SyntaxError: JSON Parse error: Unable to parse JSON string\n    at <parse> (:0)\n    at parse (unknown)\n    at <anonymous> (/$bunfs/root/claude:553:9928)\n    at W (/$bunfs/root/claude:491:13280)\n    at VMG (/$bunfs/root/claude:980:1925)\n    at processTicksAndRejections (native:7:39)","timestamp":"2025-09-02T03:41:50.109Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: moonbit\n    at kH (/$bunfs/root/claude:1628:1192)\n    at map (native:1:11)\n    at I7 (/$bunfs/root/claude:1628:905)\n    at UwW (/$bunfs/root/claude:3176:9114)\n    at AD (/$bunfs/root/claude:229:19415)\n    at Ag (/$bunfs/root/claude:231:42805)\n    at hY (/$bunfs/root/claude:231:38347)\n    at Ok (/$bunfs/root/claude:231:38275)\n    at _D (/$bunfs/root/claude:231:38129)\n    at pz (/$bunfs/root/claude:231:35208)","timestamp":"2025-09-02T03:50:32.740Z"},{"error":"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 98338 (char 98337)\"},\"request_id\":\"req_011CSiuCrxroR3RJw8Lmgbf7\"}\n    at new XY (unknown:1:28)\n    at new u5 (/$bunfs/root/claude:835:1962)\n    at new SW0 (unknown:1:28)\n    at generate (/$bunfs/root/claude:835:2419)\n    at makeRequest (/$bunfs/root/claude:852:5359)\n    at processTicksAndRejections (native:7:39)","timestamp":"2025-09-02T03:56:23.481Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"The request body is not valid JSON: no low surrogate in string: line 1 column 98338 (char 98337)\"},\"request_id\":\"req_011CSiuJFd2GCW85P6GhNYtn\"}\n    at new XY (unknown:1:28)\n    at new u5 (/$bunfs/root/claude:835:1962)\n    at new SW0 (unknown:1:28)\n    at generate (/$bunfs/root/claude:835:2419)\n    at makeRequest (/$bunfs/root/claude:852:5359)\n    at processTicksAndRejections (native:7:39)","timestamp":"2025-09-02T03:57:36.458Z"},{"error":"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 98338 (char 98337)\"},\"request_id\":\"req_011CSiuSS2p1NXosxpmraUqq\"}\n    at new XY (unknown:1:28)\n    at new u5 (/$bunfs/root/claude:835:1962)\n    at new SW0 (unknown:1:28)\n    at generate (/$bunfs/root/claude:835:2419)\n    at makeRequest (/$bunfs/root/claude:852:5359)\n    at processTicksAndRejections (native:7:39)","timestamp":"2025-09-02T03:59:27.405Z"}]