docs: correct stale LDAP-role, host-probe, resilience-table, Bad-value claims; fix tasks.json (#624)
Claude-Session: https://claude.ai/code/session_01Ef2ozxS7QPanGT8uoATbTe
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@@ -121,7 +121,8 @@ Notes worth knowing before authoring against this:
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## Error semantics
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An evaluator failure publishes **Bad quality carrying the last-known value** — the value is not
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zeroed, because a stale-but-flagged reading is more useful to an operator than a fabricated one. It
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zeroed, so the node holds it server-side for the next Good re-publish and the `(value, status)` dedup. (Over the wire the
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OPC UA SDK nulls the value of a Bad-status read, so a client sees only the Bad status — see `docs/DriverLifecycle.md`.) It
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publishes:
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- **once per Good→Bad transition**, not on every failed evaluation (a permanently broken script does
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