# Runtime transcript, issue #16297 (synthetic project, fresh dev database, T3CODE_DEV_SEED=0)
Stub CLI used for the 'claudeDies' provider instance:
#!/bin/sh
# Simulates a Claude CLI that dies at startup (macOS TCC EPERM, #5943).
case "$*" in *--version*) exec claude "$@";; esac
echo "error: An internal error occurred (EPERM)" >&2
exit 1

## Before: main 36d4d711b7
$ t3 thread start --provider claudeDies --model claude-sonnet-5 --wait <project> "OK とだけ返してください。"
Thread mcp:edf46f13-6eda-490e-b5a7-5f33980d3807
Thread mcp:edf46f13-6eda-490e-b5a7-5f33980d3807 stopped with status failed: Provider turn failed.
Server log (claude-query-stream-failed cause, stack frames removed):
    cause: 'ClaudeAgentSdkQueryRunnerError: Claude Agent SDK query failed.\n' +
      '    at queryRunnerError (file://<path>)\n' +
      '  [cause]: Error: Claude Code process exited with code 1\n' +
      '      at OR.getProcessExitError (file://<path>)\n' +

Control, real Claude CLI 2.1.303, same prompt (full access, then auto):
Thread mcp:68a57c84-a0eb-424e-b45f-3d7641eb81bc
OK
Thread mcp:d544515e-f67a-4647-85e1-d3e6388bbad7
OK

## After: fix/issue-16297 0004ae9b87
$ t3 thread start --provider claudeDies --model claude-sonnet-5 --wait <project> "OK とだけ返してください。"
Thread mcp:5e888fd6-4d1d-4299-9bd3-0d9a4a43a18c
Thread mcp:5e888fd6-4d1d-4299-9bd3-0d9a4a43a18c stopped with status failed: Claude Code exited with code 1 before it responded. Check the server log for details.
Server log (claude-query-stream-failed cause, stack frames removed):
    cause: 'ClaudeAgentSdkQueryRunnerError: Claude Agent SDK query failed.\n' +
      '  [cause]: ClaudeCodeStartupExitError: Claude Code exited with code 1 before it responded. Check the server log for details.\n' +
      '    [cause]: Error: stderr: error: An internal error occurred (EPERM)\n' +
      '      [cause]: Error: Claude Code process exited with code 1\n' +

Control, real Claude CLI, same prompt:
Thread mcp:0fe584a8-8c83-40b1-993f-c7448e2303ce
OK