[Bug] Anthropic API Error: text content blocks must be non-empty

Bug Description
⎿  API Error: 400 messages: text content blocks must be non-empty

Environment Info

• Platform: darwin
• Terminal: iTerm.app
• Version: 2.1.150
• Feedback ID: 63921732-cfdd-4cb8-a157-73cb08993ad4

Errors

[{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"messages.30.content.2.text: cache_control cannot be set for empty text blocks\"},\"request_id\":\"req_011CbQXmQZdkq8cxNcji6jLb\"}\n    at generate (/$bunfs/root/src/entrypoints/cli.js:11:63586)\n    at makeRequest (/$bunfs/root/src/entrypoints/cli.js:51:7694)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-26T04:14:41.948Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"messages: text content blocks must be non-empty\"},\"request_id\":\"req_011CbQXt8PzXU3ou5fsjsJGo\"}\n    at generate (/$bunfs/root/src/entrypoints/cli.js:11:63586)\n    at makeRequest (/$bunfs/root/src/entrypoints/cli.js:51:7694)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-26T04:16:13.854Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"messages: text content blocks must be non-empty\"},\"request_id\":\"req_011CbQXuMLPiJjc8L69nfj5M\"}\n    at generate (/$bunfs/root/src/entrypoints/cli.js:11:63586)\n    at makeRequest (/$bunfs/root/src/entrypoints/cli.js:51:7694)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-26T04:16:30.014Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"messages: text content blocks must be non-empty\"},\"request_id\":\"req_011CbQXvYmzwSTVDiENzYVZN\"}\n    at generate (/$bunfs/root/src/entrypoints/cli.js:11:63586)\n    at makeRequest (/$bunfs/root/src/entrypoints/cli.js:51:7694)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-26T04:16:46.256Z"}]