* feat: add metadata-only message audit events
* chore(protocol): restore generated swift models and config baseline after rebase
* fix(state): gate agent-db ownership check before schema version
* fix(cli): sync audit command description into the root-help catalog
* fix(audit): require destination proof before classifying outbound messages as direct
* refactor(audit): drop dead migration guard and add contract comments
* docs(gateway): add dedicated audit history page and cross-links
* test(e2e): enable direct-mode message audit in the telegram proof SUT config
* test(channels): expect declared conversationKind in durable delivery session context
* fix(audit): record the routing channel id for inbound rows from plugin channels
* fix(audit): match channel-prefixed delivery targets in the destination route gate
* fix(audit): validate explicit target kind against the destination route kind
* fix(audit): use the canonical target-prefix grammar in the destination route gate and fail closed on foreign migration tables
* fix(audit): normalize nested provider and kind target prefixes in the destination gate
* fix(audit): strip registered provider aliases and the direct kind prefix in the destination gate
* chore(docs): refresh config baseline after rebase
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