[Bug] Claude Code process exited with code 1 on session startup

Bug Description
2026-04-17 19:37:50 [info] [CCD] LocalSessions.setFocusedSession: sessionId=null
2026-04-17 19:37:50 [info] [CCD] LocalSessions.setFocusedSession: sessionId=local_2bd47fd8-37fa-4812-9637-73b502c4e926
2026-04-17 19:37:50 [error] Session local_2bd47fd8-37fa-4812-9637-73b502c4e926 query error: Claude Code process exited with code 1
2026-04-17 19:37:50 [info] [CCD CycleHealth] unhealthy cycle for local_2bd47fd8-37fa-4812-9637-73b502c4e926 (0s, hadFirstResponse=false, reason=no_response)
2026-04-17 19:37:50 [info] LocalSessions.updateSession: sessionId=local_2bd47fd8-37fa-4812-9637-73b502c4e926, options={"title":"General coding session","titleSource":"auto"}
2026-04-17 19:37:50 [info] Updated session local_2bd47fd8-37fa-4812-9637-73b502c4e926:
2026-04-17 19:37:59 [info] [EventLogging] Flushing 16 events
2026-04-17 19:38:08 [info] LocalSessions.delete: sessionId=local_2bd47fd8-37fa-4812-9637-73b502c4e926
2026-04-17 19:38:08 [info] Archived session local_2bd47fd8-37fa-4812-9637-73b502c4e926
2026-04-17 19:38:08 [info] Deleted session local_2bd47fd8-37fa-4812-9637-73b502c4e926
2026-04-17 19:38:08 [info] LocalSessions.stopSideChat: sessionId=local_2bd47fd8-37fa-4812-9637-73b502c4e926
2026-04-17 19:38:08 [info] [CCD] LocalSessions.setFocusedSession: sessionId=null
2026-04-17 19:38:08 [info] [CCD] LocalSessions.setFocusedSession: sessionId=null
2026-04-17 19:38:10 [info] LocalSessions.delete: sessionId=local_d9c7b469-081f-4740-a60f-18d6e8c7513c
2026-04-17 19:38:10 [info] Archived session local_d9c7b469-081f-4740-a60f-18d6e8c7513c
2026-04-17 19:38:10 [info] Deleted session local_d9c7b469-081f-4740-a60f-18d6e8c7513c
2026-04-17 19:38:11 [info] LocalSessions.delete: sessionId=local_b6189bfc-815d-44e0-bcf9-133f54ff6064
2026-04-17 19:38:11 [info] Archived session local_b6189bfc-815d-44e0-bcf9-133f54ff6064
2026-04-17 19:38:11 [info] Deleted session local_b6189bfc-815d-44e0-bcf9-133f54ff6064
2026-04-17 19:38:14 [info] [CCD] LocalSessions.getDefaultPermissionMode: cwd=/Users/unifyapps/Documents/NewestUnify
2026-04-17 19:38:14 [info] LocalSessions.checkGhAvailable: cwd=/Users/unifyapps/Documents/NewestUnify
2026-04-17 19:38:17 [info] LocalSessions.checkTrust: cwd=/Users/unifyapps/Documents/NewestUnify
2026-04-17 19:38:18 [info] LocalSessions.saveTrust: cwd=/Users/unifyapps/Documents/NewestUnify
2026-04-17 19:38:18 [info] Saved workspace trust for /Users/unifyapps/Documents/NewestUnify
2026-04-17 19:38:18 [info] LocalSessions.checkTrust: cwd=/Users/unifyapps/Documents/NewestUnify
2026-04-17 19:38:18 [info] LocalSessions.start:
2026-04-17 19:38:18 [info] [oauth] looking up token for orgId=b5950b7c-fac6-4489-a320-579af622b0aa, cacheKey=9d1c250a-e61b-44d9-88ed-5944d1962f5e:b5950b7c-fac6-4489-a320-579af622b0aa:https://api.anthropic.com:user:inference user:file_upload user:profile user:sessions:claude_code
2026-04-17 19:38:18 [info] [oauth] using cached token for orgId=b5950b7c-fac6-4489-a320-579af622b0aa
2026-04-17 19:38:18 [info] Starting local session local_d1493789-6c08-4420-9b4c-342c4a98f786 in /Users/unifyapps/Documents/NewestUnify
2026-04-17 19:38:18 [info] [CCD] Using skills plugin at: /Users/unifyapps/Library/Application Support/Claude/local-agent-mode-sessions/skills-plugin/b5950b7c-fac6-4489-a320-579af622b0aa/7ad1e549-bc5e-4e29-b3c1-bc80f727aeb6
2026-04-17 19:38:18 [info] [CCD] Passing 1 plugin(s) to SDK (skills: 1, remote: 0, local: 0)
2026-04-17 19:38:18 [info] Using Claude Code binary at: /Users/unifyapps/Library/Application Support/Claude/claude-code/2.1.111/claude.app/Contents/MacOS/claude
2026-04-17 19:38:18 [info] [CCD] LocalSessions.replaceRemoteMcpServers: sessionId=local_d1493789-6c08-4420-9b4c-342c4a98f786, serverCount=0
2026-04-17 19:38:18 [info] [CCD] [replaceRemoteMcpServers] Calling SDK with 6 total servers {
serverNames: [
'Claude in Chrome',
'mcp-registry',

Environment Info

• Platform: darwin
• Terminal: Apple_Terminal
• Version: 2.1.112
• Feedback ID: 0f42ae7b-816c-4c2e-9809-ee67e6641370

Errors

[{"error":"RangeError [ERR_CHILD_PROCESS_STDIO_MAXBUFFER]: stdout maxBuffer length exceeded\n    at Socket.onChildStdout (node:child_process:484:14)\n    at Socket.emit (node:events:508:28)\n    at addChunk (node:internal/streams/readable:559:12)\n    at readableAddChunkPushByteMode (node:internal/streams/readable:510:3)\n    at Readable.push (node:internal/streams/readable:390:5)\n    at Pipe.onStreamRead (node:internal/stream_base_commons:189:23)","timestamp":"2026-04-17T14:24:12.952Z"}]