tegwick 9b7f86ba69 test: harden suite with error-path contracts + coverage floor (98%) ...

Adds tests/test_error_paths.py covering real failure contracts (red-link
single() KeyError, unknown/unattached-shard apply_overlay, kernel.delete
missing, conformance survives a broken profile, Placement str). Adds a
[tool.coverage.report] fail_under=90 floor (engages on pytest --cov, not bare
pytest). 76 tests, 98% coverage, pyflakes clean.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

2026-06-16 00:05:16 +02:00

2.5 KiB

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