diff --git a/packages/runtime-core/src/command-registry.ts b/packages/runtime-core/src/command-registry.ts
index 4b659842..d9bff924 100644
--- a/packages/runtime-core/src/command-registry.ts
+++ b/packages/runtime-core/src/command-registry.ts
@@ -75,7 +75,7 @@ export const commandRegistry = [
       { name: "body", description: "Optional raw request body.", format: "string" },
       { name: "body-json", description: "Optional JSON request body string; takes precedence over body.", format: "JSON string" },
     ],
-    outputShape: "JSON object with command, method, path, route, status, headers, and REST response data.",
+    outputShape: "JSON object with command, method, path, route, status, headers, body/data, timing, and diagnostics.",
     policyRequirement: "Runtime policy commands must include wordpress.rest-request.",
     recipe: true,
     handler: { kind: "playground", method: "runRestRequest" },
diff --git a/packages/runtime-core/src/runtime-action-adapter.ts b/packages/runtime-core/src/runtime-action-adapter.ts
index 50145b47..fc04b970 100644
--- a/packages/runtime-core/src/runtime-action-adapter.ts
+++ b/packages/runtime-core/src/runtime-action-adapter.ts
@@ -160,26 +160,68 @@ async function runRuntimeRestRequestAction(episode: RuntimeEpisode, action: Runt
   } catch {
     // Keep raw stdout when a backend returns non-JSON diagnostics.
   }
+  const normalized = normalizeRuntimeRestRequestResult(action, step, stdout)
 
   return runtimeActionObservation({
     type: action.type,
     action,
     step,
-    data: {
-      method: action.method ?? "GET",
-      path: action.path,
-      mappedCommand: step.execution.command,
-      args: step.execution.args,
-      exitCode: step.execution.exitCode,
-      stdout,
-      stderr: step.execution.stderr,
-      executionId: step.execution.id,
-      stepId: step.id,
-    },
+    data: normalized,
     artifactRefs: step.observation?.artifactRefs,
   })
 }
 
+function normalizeRuntimeRestRequestResult(
+  action: RuntimeRestRequestAction,
+  step: RuntimeEpisodeStepResult,
+  stdout: unknown,
+): Record<string, unknown> {
+  const response = stdout && typeof stdout === "object" && !Array.isArray(stdout) ? stdout as Record<string, unknown> : {}
+  const startedAt = Date.parse(step.execution.startedAt)
+  const finishedAt = Date.parse(step.execution.finishedAt)
+  const durationMs = Number.isFinite(startedAt) && Number.isFinite(finishedAt) ? Math.max(0, finishedAt - startedAt) : undefined
+  const method = stringValue(response.method) ?? action.method ?? "GET"
+  const path = stringValue(response.path) ?? action.path
+  const route = stringValue(response.route) ?? path
+  const headers = recordValue(response.headers) ?? {}
+  const body = response.body ?? response.data ?? null
+  const diagnostics = {
+    exitCode: step.execution.exitCode,
+    stderr: step.execution.stderr,
+    ...(recordValue(response.diagnostics) ?? {}),
+  }
+
+  return {
+    method,
+    path,
+    route,
+    status: typeof response.status === "number" ? response.status : undefined,
+    headers,
+    body,
+    timing: {
+      startedAt: step.execution.startedAt,
+      finishedAt: step.execution.finishedAt,
+      ...(durationMs !== undefined ? { durationMs } : {}),
+      ...(recordValue(response.timing) ?? {}),
+    },
+    diagnostics,
+    mappedCommand: step.execution.command,
+    args: step.execution.args,
+    stdout,
+    stderr: step.execution.stderr,
+    executionId: step.execution.id,
+    stepId: step.id,
+  }
+}
+
+function stringValue(value: unknown): string | undefined {
+  return typeof value === "string" ? value : undefined
+}
+
+function recordValue(value: unknown): Record<string, unknown> | undefined {
+  return value && typeof value === "object" && !Array.isArray(value) ? value as Record<string, unknown> : undefined
+}
+
 async function runRuntimeFilesystemAction(
   episode: RuntimeEpisode,
   action: RuntimeFilesystemAction,
diff --git a/packages/runtime-playground/src/rest-request-command-handlers.ts b/packages/runtime-playground/src/rest-request-command-handlers.ts
index 55b6440c..1518b0af 100644
--- a/packages/runtime-playground/src/rest-request-command-handlers.ts
+++ b/packages/runtime-playground/src/rest-request-command-handlers.ts
@@ -28,6 +28,7 @@ export function restRequestInputFromArgs(args: string[]): RestRequestCommandInpu
 
 export function restRequestPhpCode(input: RestRequestCommandInput): string {
   return `define( 'REST_REQUEST', true );
+$wp_codebox_started_at = microtime( true );
 $wp_codebox_method = ${JSON.stringify(input.method)};
 $wp_codebox_path = ${JSON.stringify(input.path)};
 $wp_codebox_headers = json_decode( ${JSON.stringify(JSON.stringify(input.headers))}, true );
@@ -56,6 +57,7 @@ if ( $wp_codebox_body !== '' ) {
 $wp_codebox_response = rest_do_request( $wp_codebox_request );
 $wp_codebox_server = rest_get_server();
 $wp_codebox_data = $wp_codebox_server->response_to_data( $wp_codebox_response, false );
+$wp_codebox_finished_at = microtime( true );
 
 echo wp_json_encode( array(
     'command' => 'wordpress.rest-request',
@@ -64,6 +66,11 @@ echo wp_json_encode( array(
     'route' => $wp_codebox_route,
     'status' => $wp_codebox_response->get_status(),
     'headers' => $wp_codebox_response->get_headers(),
+    'body' => $wp_codebox_data,
     'data' => $wp_codebox_data,
+    'timing' => array(
+        'duration_ms' => (int) round( ( $wp_codebox_finished_at - $wp_codebox_started_at ) * 1000 ),
+    ),
+    'diagnostics' => (object) array(),
 ), JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES );`
 }
diff --git a/scripts/rest-request-runtime-smoke.ts b/scripts/rest-request-runtime-smoke.ts
index 55a5f721..9cbf4857 100644
--- a/scripts/rest-request-runtime-smoke.ts
+++ b/scripts/rest-request-runtime-smoke.ts
@@ -40,10 +40,13 @@ try {
       { type: "command-result" },
     )
     assert.equal(direct.execution.exitCode, 0)
-    const directBody = JSON.parse(direct.execution.stdout) as { command: string; status: number; data: Record<string, unknown> }
+    const directBody = JSON.parse(direct.execution.stdout) as { command: string; status: number; body: Record<string, unknown>; data: Record<string, unknown>; timing: { duration_ms: number }; diagnostics: Record<string, unknown> }
     assert.equal(directBody.command, "wordpress.rest-request")
     assert.equal(directBody.status, 200)
+    assert.ok(directBody.body.post)
     assert.ok(directBody.data.post)
+    assert.equal(typeof directBody.timing.duration_ms, "number")
+    assert.deepEqual(directBody.diagnostics, {})
 
     const action = await runRuntimeAction(episode, { type: "rest_request", method: "GET", path: "/wp-json/wp/v2/types", params: { context: "view" } })
     assert.equal(action.schema, RUNTIME_ACTION_OBSERVATION_SCHEMA)
@@ -51,6 +54,15 @@ try {
     assert.equal(action.step?.action.kind, "http")
     assert.equal(action.step?.execution.command, "wordpress.rest-request")
     assert.deepEqual(action.step?.execution.args, ["path=/wp-json/wp/v2/types", "method=GET", 'params-json={"context":"view"}'])
+    assert.equal(action.data.method, "GET")
+    assert.equal(action.data.path, "/wp-json/wp/v2/types")
+    assert.equal(action.data.route, "/wp/v2/types")
+    assert.equal(action.data.status, 200)
+    assert.equal(typeof action.data.headers, "object")
+    assert.ok((action.data.body as { post?: unknown }).post)
+    assert.equal(typeof (action.data.timing as { durationMs?: number }).durationMs, "number")
+    assert.equal((action.data.diagnostics as { exitCode?: number; stderr?: string }).exitCode, 0)
+    assert.equal((action.data.diagnostics as { exitCode?: number; stderr?: string }).stderr, "")
     assert.equal((action.data.stdout as { status: number }).status, 200)
 
     const trace = await episode.trace()