IdAllocator::suffixed recursed once per taken candidate, and the call was not
in tail position. A document claiming item-1 through item-N aborted the process
on a stack overflow at N of about 11,000 in debug. This answers the Codex P2 on
PR #318. The loop still advances the counter on every candidate it tries.
Three tests are added:
- a long claimed run (20,000), which aborted before the fix;
- claim refusing lookalike virtual ids (_indexer, _measure-1), which the
review's prefix-match rival passed before;
- a display with leading spaces that must not slug into the reserved `_` space.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01VdfEGXA7aJ6ftMsCc9PJze
Claude (agent-adr007)
6c652c2ed3