feat(run): add unified seat health probe #1121

Job	Run time
repo-metadata	27s
windows-native-acceptance	1m 1s
test (3.12)	9m 24s
install-from-source (workspace+codex+openclaw, --depth workspace --harnesses codex,openclaw)	19s
content-guard	9s
changes	4s
quickstart-smoke (windows-latest)	50s
component-manifest-provenance	15s
quickstart-smoke (macos-latest)	32s
install-from-source (workspace+hermes, --depth workspace --harnesses hermes)	25s
install-from-source (repo+claude+publisher, --depth repo --harnesses claude --include publisher)	21s
install-from-source (workspace+none, --depth workspace --harnesses none)	22s
install-from-source (repo+claude, --depth repo --harnesses claude)	19s
test (3.11)	7m 25s
test (3.10)	9m 9s
lint	23s
quickstart-smoke (ubuntu-latest)	41s
install-from-source (repo+codex, --depth repo --harnesses codex)	19s
install-from-source (workspace+claude+openclaw, --depth workspace --harnesses claude,openclaw)	23s
install-from-source (kitchen-sink, --depth workspace --harnesses claude,codex,openclaw,hermes)	20s
notify-build-and-test (ubuntu-latest)	0s
notify-build-and-test (windows-latest)	0s
evidence-ledger-test	0s
Windows (stable, default features)	0s
MSRV (Rust 1.85)	-1s
Feature configuration (${{ matrix.name }})	-1s
build-and-test	-1s
	33m 5s

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