chore: add more opinions to CLAUDE.md #127

Job	Run time
checks / pre-commit	29s
checks / readme-snippets	10s
checks / test (3.13, lowest-direct, windows-latest)	2m 27s
checks / test (3.13, locked, windows-latest)	2m 19s
checks / test (3.10, locked, windows-latest)	2m 17s
checks / test (3.12, locked, windows-latest)	3m 20s
checks / test (3.11, lowest-direct, ubuntu-latest)	46s
checks / test (3.11, locked, ubuntu-latest)	45s
checks / test (3.10, lowest-direct, windows-latest)	2m 19s
checks / test (3.11, lowest-direct, windows-latest)	3m 56s
checks / test (3.14, lowest-direct, windows-latest)	2m 9s
checks / test (3.10, locked, ubuntu-latest)	49s
checks / test (3.13, lowest-direct, ubuntu-latest)	44s
checks / test (3.14, locked, windows-latest)	3m 45s
checks / test (3.12, lowest-direct, windows-latest)	3m 20s
checks / test (3.10, lowest-direct, ubuntu-latest)	48s
checks / test (3.12, locked, ubuntu-latest)	50s
checks / test (3.14, locked, ubuntu-latest)	2m 16s
checks / test (3.12, lowest-direct, ubuntu-latest)	51s
checks / test (3.11, locked, windows-latest)	2m 25s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 12s
checks / test (3.13, locked, ubuntu-latest)	40s
all-green	4s
	38m 41s

Provide feedback