v0.7.8-nightly.202606220815.7ee67c2e5

Nightly Build (v0.7.8-nightly.202606220815.7ee67c2e5)

Changes since v0.7.8-nightly.202606200729.6f2a8c984:

9cdac4e Rename "unset" timeout test cases to "blank"
b6f55d4 Fix misleading discovery-dial-budget comment
ce0c3ee Name effective defaults in invalid-timeout warning
fcc4748 Loosen connect timeouts for slow links
f39e8db preserve empty summary lookup behavior
772908f narrow attribution checkpoint reader
10faadb test redaction failure via git store
c17199d fix checkpoint reader edge cases
5503271 Add getTemporaryStore helper to dedup store access
dddd06e checkpoint: route callers through split stores
7b88390 checkpoint: define split store interfaces