feat(ui): add network approval persistence plumbing (#12358)

## Summary
- add TUI approval options for persistent network host rules
- add app-server v2 approval payload plumbing for network approval
context + proposed network policy amendments
- add app-server handling to translate `applyNetworkPolicyAmendment`
decisions back into core review decisions
- update docs/test client output and generated app-server schemas/types

codex-rs/tui/src/bottom_pane/mod.rs

@@ -1096,6 +1096,7 @@ mod tests {
             reason: None,
             network_approval_context: None,
             proposed_execpolicy_amendment: None,
+            proposed_network_policy_amendments: None,
             additional_permissions: None,
         }
     }