TASK-pilot-executor-outcomes: require terminal executor evidence

src/cli.mjs

@@ -32,6 +32,7 @@ import { IntegrationService } from './integration/service.mjs';
 import { analyzeCombatrigFleet } from './importers/combatrig.mjs';
 import { proposeDomains } from './kernel/domains.mjs';
 import { readFileSync } from 'node:fs';
+import { fileURLToPath } from 'node:url';
 import { join, resolve } from 'node:path';
 import { fileHash, writeNewFile } from './kernel/files.mjs';
 import { createWorktrees, planWorktrees } from './kernel/worktrees.mjs';
@@ -46,6 +47,16 @@ import { observeProject } from './observability/snapshot.mjs';
 // Provider output is evidence, not an unbounded artifact channel.  startFleet
 // classifies ENOBUFS as an interrupted outcome instead of a completed turn.
 const MAX_RUNTIME_EXECUTOR_OUTPUT_BYTES = 1024 * 1024;
+const CODEX_PROTOCOL_REDUCER = fileURLToPath(new URL('./runtime/codex-protocol-reducer.mjs', import.meta.url));
+
+export function executeRuntimeLaunch(spawn, launch, options = {}) {
+  // Tests and adapter qualification inject a deterministic executor. The real
+  // synchronous CLI boundary alone needs protocol reduction before buffering.
+  if (launch.runtime === 'codex' && spawn === spawnSync) {
+    return spawn(process.execPath, [CODEX_PROTOCOL_REDUCER, launch.command, ...launch.args], options);
+  }
+  return spawn(launch.command, launch.args, options);
+}
 import { OwnerDigestService } from './observability/owner-digest.mjs';
 import { ContextTelemetryService } from './telemetry/context.mjs';
 import { ScheduleService } from './schedules/service.mjs';
@@ -1110,7 +1121,7 @@ export async function runCli(argv = process.argv.slice(2), {
         }
         print(startFleet({
           plan, controlPlane: control, adapters,
-          executor: (launch) => spawn(launch.command, launch.args, {
+          executor: (launch) => executeRuntimeLaunch(spawn, launch, {
             cwd: launch.cwd, encoding: 'utf8', stdio: ['ignore', 'pipe', 'pipe'],
             maxBuffer: MAX_RUNTIME_EXECUTOR_OUTPUT_BYTES,
           }),
@@ -1444,7 +1455,7 @@ export async function runCli(argv = process.argv.slice(2), {
           }
           print(startFleet({
             plan, controlPlane: control, adapters,
-            executor: (launch) => spawn(launch.command, launch.args, {
+            executor: (launch) => executeRuntimeLaunch(spawn, launch, {
               cwd: launch.cwd, encoding: 'utf8', stdio: ['ignore', 'pipe', 'pipe'],
               maxBuffer: MAX_RUNTIME_EXECUTOR_OUTPUT_BYTES,
             }),
@@ -1619,7 +1630,7 @@ export async function runCli(argv = process.argv.slice(2), {
               }
               return startFleet({
                 plan, controlPlane: control, adapters,
-                executor: (launch) => spawn(launch.command, launch.args, {
+                executor: (launch) => executeRuntimeLaunch(spawn, launch, {
                   cwd: launch.cwd, encoding: 'utf8', stdio: ['ignore', 'pipe', 'pipe'],
                   timeout: 300_000, maxBuffer: MAX_RUNTIME_EXECUTOR_OUTPUT_BYTES, killSignal: 'SIGTERM',
                 }),