1.4.227: filed cherry-picks, P0 fixes and 1.4.225's picks onto 1.4.224

.github/workflows/e2e.yml

@@ -195,7 +195,7 @@ jobs:
         # The Azure archive took 16 minutes for one font package; bound setup
         # separately so a slow mirror cannot consume the shard's test budget.
         env: &e2e_tool_packages
-          ORCA_E2E_APT_PACKAGES: build-essential fonts-noto-cjk openssh-client python3 ripgrep xvfb zsh openbox x11-utils
+          ORCA_E2E_APT_PACKAGES: build-essential fonts-noto-cjk openssh-client python3 ripgrep xvfb zsh openbox x11-utils xdotool
         run: *install_e2e_tools
 
       - uses: ./.github/actions/install-node-dependencies

.github/workflows/pr.yml

@@ -268,9 +268,7 @@ jobs:
 
       - name: Check reliability gate manifest
         if: needs.code_paths.outputs.static_analysis == 'true'
-        run: |
-          pnpm run check:reliability-gates
-          pnpm run check:process-host-imports
+        run: pnpm run check:reliability-gates
 
       - name: Enforce dead design-system classes
         if: needs.code_paths.outputs.static_analysis == 'true'
@@ -1011,10 +1009,6 @@ jobs:
       - name: Smoke managed-hook companions
         run: node config/scripts/smoke-managed-hook-runtime-node18.mjs
 
-      # The process-host package declares engines >=18; load its staged public output on Node 18.
-      - name: Smoke process-host package
-        run: node config/scripts/smoke-process-host-node18.mjs
-
   package:
     name: package
     needs: [code_paths, preflight]
@@ -1258,9 +1252,9 @@ jobs:
           src/main/persistence/profile-state/profile-state-writer-stall.electron.test.ts
           src/main/providers/windows-conpty-wide-char-duplication.node-pty.test.ts
           src/main/providers/pty-repaint-wide-char-buffer.node-pty.test.ts
-          src/shared/__tests__/process-host/windows-command-line.win32.test.ts
-          src/shared/__tests__/process-host/windows-cmd-shim-resolution.test.ts
-          src/shared/__tests__/process-host/windows-cmd-shim-resolution.win32.test.ts
+          src/shared/child-process/windows-command-line.win32.test.ts
+          src/shared/child-process/windows-cmd-shim-resolution.test.ts
+          src/shared/child-process/windows-cmd-shim-resolution.win32.test.ts
           src/main/agent-hooks/windows-hook-payload-delivery.test.ts
           src/main/jcode/hook-gate-script.test.ts
           src/main/agent-hooks/windows-direct-cmd-hook-command.test.ts

config/scripts/ci-shard-timings.json

@@ -1262,7 +1262,7 @@
       "src/main/codex/codex-structured-dispatch-admission.test.ts": 507,
       "src/main/codex/codex-structured-dispatch-boundary.test.ts": 414,
       "src/main/codex/codex-structured-dispatch-echo.test.ts": 57,
-      "src/main/codex/codex-structured-fast-mode.test.ts": 320,
+      "src/main/codex/codex-structured-service-tier.test.ts": 320,
       "src/main/codex/codex-structured-item-translation.test.ts": 161,
       "src/main/codex/codex-structured-journal-compactions.test.ts": 267,
       "src/main/codex/codex-structured-journal-goal-admission.test.ts": 258,