[Bug] Anthropic API Error: Stream idle timeout - partial response received

Bug Description
Ultraplan keeps breaking ffs... As per claude code web/desktop: "API Error: Stream idle timeout - partial response received". Twice in a row, after burning a hell lot of tokens.

Environment Info

• Platform: darwin
• Terminal: tmux
• Version: 2.1.100
• Feedback ID: c426a803-5e38-40aa-9e6e-01c8376e78c5

Errors

[{"error":"MaxFileReadTokenExceededError: File content (11292 tokens) exceeds maximum allowed tokens (10000). Use offset and limit parameters to read specific portions of the file, or search for specific content instead of reading the whole file.\n    at xz7 (/$bunfs/root/src/entrypoints/cli.js:4358:12671)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-10T17:26:39.038Z"},{"error":"Error: Failed to fetch version from https://storage.googleapis.com/claude-code-dist-86c565f3-f756-42ad-8dfa-d59b1c096819/claude-code-releases/latest: Request failed with status code 429\n    at VB1 (/$bunfs/root/src/entrypoints/cli.js:2808:5253)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-10T19:27:23.281Z"},{"error":"Error: Failed to fetch version from https://storage.googleapis.com/claude-code-dist-86c565f3-f756-42ad-8dfa-d59b1c096819/claude-code-releases/latest: Request failed with status code 429\n    at VB1 (/$bunfs/root/src/entrypoints/cli.js:2808:5253)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-10T19:27:23.281Z"},{"error":"Error: File does not exist. Note: your current working directory is /Users/nagawa/projects/nag4voice.\n    at call (/$bunfs/root/src/entrypoints/cli.js:4367:7632)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-10T19:32:42.209Z"},{"error":"MaxFileReadTokenExceededError: File content (10363 tokens) exceeds maximum allowed tokens (10000). Use offset and limit parameters to read specific portions of the file, or search for specific content instead of reading the whole file.\n    at xz7 (/$bunfs/root/src/entrypoints/cli.js:4358:12671)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-14T01:44:07.486Z"}]