refactor: unify outbound result envelopes

src/commands/agent.ts

@@ -45,6 +45,7 @@ import {
   registerAgentRunContext,
 } from "../infra/agent-events.js";
 import { deliverOutboundPayloads } from "../infra/outbound/deliver.js";
+import { buildOutboundResultEnvelope } from "../infra/outbound/envelope.js";
 import {
   formatOutboundPayloadLog,
   type NormalizedOutboundPayload,
@@ -548,7 +549,10 @@ export async function agentCommand(
   if (opts.json) {
     runtime.log(
       JSON.stringify(
-        { payloads: normalizedPayloads, meta: result.meta },
+        buildOutboundResultEnvelope({
+          payloads: normalizedPayloads,
+          meta: result.meta,
+        }),
         null,
         2,
       ),

src/commands/poll.ts

@@ -1,6 +1,7 @@
 import type { CliDeps } from "../cli/deps.js";
 import { callGateway, randomIdempotencyKey } from "../gateway/call.js";
 import { success } from "../globals.js";
+import { buildOutboundResultEnvelope } from "../infra/outbound/envelope.js";
 import {
   buildOutboundDeliveryJson,
   formatGatewaySummary,
@@ -89,12 +90,14 @@ export async function pollCommand(
     runtime.log(
       JSON.stringify(
         {
-          ...buildOutboundDeliveryJson({
-            provider,
-            via: "gateway",
-            to: opts.to,
-            result,
-            mediaUrl: null,
+          ...buildOutboundResultEnvelope({
+            delivery: buildOutboundDeliveryJson({
+              provider,
+              via: "gateway",
+              to: opts.to,
+              result,
+              mediaUrl: null,
+            }),
           }),
           question: normalized.question,
           options: normalized.options,

src/commands/send.ts

@@ -3,6 +3,7 @@ import { loadConfig } from "../config/config.js";
 import { callGateway, randomIdempotencyKey } from "../gateway/call.js";
 import { success } from "../globals.js";
 import { deliverOutboundPayloads } from "../infra/outbound/deliver.js";
+import { buildOutboundResultEnvelope } from "../infra/outbound/envelope.js";
 import {
   buildOutboundDeliveryJson,
   formatGatewaySummary,
@@ -114,12 +115,14 @@ export async function sendCommand(
   if (opts.json) {
     runtime.log(
       JSON.stringify(
-        buildOutboundDeliveryJson({
-          provider,
-          via: "gateway",
-          to: opts.to,
-          result,
-          mediaUrl: opts.media ?? null,
+        buildOutboundResultEnvelope({
+          delivery: buildOutboundDeliveryJson({
+            provider,
+            via: "gateway",
+            to: opts.to,
+            result,
+            mediaUrl: opts.media ?? null,
+          }),
         }),
         null,
         2,