[Bug] Image dimension limit error message unhelpful without auto-remediation

Bug Description
"An image in the conversation exceeds the dimension limit for many-image requests (2000px). Run /compact to remove old images from context, or start a new session."

You might as well tell me to go to hell.

Environment Info

• Platform: darwin
• Terminal: ghostty
• Version: 2.1.119
• Feedback ID: 6d864983-b3b7-40af-8ab7-84840c80a396

Errors

[{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"messages.39.content.38.image.source.base64.data: At least one of the image dimensions exceed max allowed size for many-image requests: 2000 pixels\"},\"request_id\":\"req_011CbGJq3tzYbkn61zirYAEy\"}\n    at generate (/$bunfs/root/src/entrypoints/cli.js:11:55121)\n    at makeRequest (/$bunfs/root/src/entrypoints/cli.js:50:4943)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-21T20:00:18.548Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"messages.39.content.38.image.source.base64.data: At least one of the image dimensions exceed max allowed size for many-image requests: 2000 pixels\"},\"request_id\":\"req_011CbGNs22QRSrZGZhwxZ9RP\"}\n    at generate (/$bunfs/root/src/entrypoints/cli.js:11:55121)\n    at makeRequest (/$bunfs/root/src/entrypoints/cli.js:50:4943)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-21T20:53:11.984Z"}]