This adds the ancillary materials for the IJCAR 2026 grind paper to
`doc/examples/IJCAR2026/`.
- `examples.lean`: interactive examples from the paper
- `analyze_grind_loc.py`: script used for the evaluation section
(analyzing grind adoption LoC changes in mathlib)
🤖 Prepared with Claude Code
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Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
