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An audit of doc code blocks against the real headers found APIs that do not exist in the codebase, presented as authoritative walkthroughs: - ch35 (dispatch): an entirely fabricated callback architecture — HostCommandRegistry::set_emit_ceid_handler, CommandOutcome, emit_ceids. Rewritten to the real Spec/Result/dispatch + the new set_handler hook. - ch13 (E30): wrong store names — EventStore/ReportStore -> EventReportSubscriptions, SvidStore -> StatusVariableStore, AlarmStore/AlarmDispatcher -> AlarmRegistry, ClockStore -> Clock, TerminalServiceStore -> (no store), in both the capability tables and the worked S2F33 example. - ch17 (E116): EptStore/seconds/bucket_ -> EptStateMachine/milliseconds/buckets_. - ch51 (extending): stale host-command handler -> the real set_handler signature. Verified clean by grep: no fabricated symbols remain in docs/. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>