fix(outcome): diagnose and repair completed-ledger digest chain breaks #1199

Job	Run time
lint	30s
component-manifest-provenance	15s
repo-metadata	22s
test (3.12)	15m 54s
content-guard	9s
test (3.10)	13m 57s
test (3.11)	9m 58s
windows-native-acceptance	1m 6s
changes	7s
install-from-source (workspace+hermes, --depth workspace --harnesses hermes)	21s
quickstart-smoke (macos-latest)	22s
install-from-source (workspace+claude+openclaw, --depth workspace --harnesses claude,openclaw)	22s
quickstart-smoke (windows-latest)	49s
install-from-source (kitchen-sink, --depth workspace --harnesses claude,codex,openclaw,hermes)	22s
quickstart-smoke (ubuntu-latest)	31s
install-from-source (repo+claude, --depth repo --harnesses claude)	17s
install-from-source (workspace+codex+openclaw, --depth workspace --harnesses codex,openclaw)	21s
install-from-source (repo+codex, --depth repo --harnesses codex)	23s
install-from-source (repo+claude+publisher, --depth repo --harnesses claude --include publisher)	17s
install-from-source (workspace+none, --depth workspace --harnesses none)	21s
Feature configuration (${{ matrix.name }})	-1s
build-and-test	-1s
Windows (stable, default features)	-1s
notify-build-and-test (ubuntu-latest)	-1s
evidence-ledger-test	-1s
notify-build-and-test (windows-latest)	-1s
MSRV (Rust 1.85)	-1s
	46m 37s

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