[Bug] No network error handling during build - hangs with "building" status

Bug Description
If network loses inbetween we will never know and it just shows that its building but actually netwrok aint there

Environment Info

• Platform: linux
• Terminal: vte-based
• Version: 2.1.88
• Feedback ID: 396ce8f2-ac90-4a1d-aa14-30bbc5aa2ef9

Errors

[{"error":"Error: NON-FATAL: Lock acquisition failed for /home/saketh/.local/share/claude/versions/2.1.88 (expected in multi-process scenarios)\n    at ib$ (/$bunfs/root/src/entrypoints/cli.js:1874:2138)\n    at _c8 (/$bunfs/root/src/entrypoints/cli.js:1874:1218)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-31T10:58:55.306Z"}]