* feat(gateway): propagate approvals to ancestor sessions with replay
Squash-rebased #103921 segment onto the native-clients tip on current main.
Session-scoped approval events publish sanitized pending/terminal
transitions to opted-in session audiences, with authoritative pending
replay on stream subscribe and durable-expiry reconciliation through the
owning manager. SessionApprovalEvent/Replay wire types export from the
approvals owner module; Swift models regenerated.
(cherry picked from commit 2d1dcf9747044710111d0c730fc46ba6013a165c)
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* feat(gateway): fail-closed plugin and tool approval gates
Squash-rebased #103932 segment onto the ancestor-propagation tip on
current main. Plugin node.invoke approvals claim a one-shot allow-once
decision before handing execution authority to the policy, so observation
or retry cannot replay a consumed approval; sibling tool gates bind
approval ids to their originating reviewer identity.
(cherry picked from commit 122df0d75281f572c012b6484ed5daf085d1d577)
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* fix: main-gate repairs for the durable-approvals stack
- android: capture createdAtMs on the pending exec-approval write at
registration; canonical readback after a refresh that already replaced
the visible rows was dropping the approval instead of surfacing the
still-pending reconciliation message (#104913 merged without this)
- android: generous CI timeout ceilings in GatewayExecApprovalRuntimeTest
- agents: hermetic model-discovery test via the plugins/provider-runtime
boundary (lazy plugin-runtime resolution hangs vitest workers since #104770)
- cli: usage-cost settle-budget test asserts the budget bound on every call
instead of pinning the poll count (fast hosts fit a second poll in 50ms)
- protocol coverage: allowlist session.approval for ios/android (native
review rides exec.approval push/nudge delivery)
- docs map, native i18n inventory, plugin-sdk api baseline regenerated
