diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b9eca78..b34c96b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -8,6 +8,7 @@ permissions:
   contents: read
   pull-requests: read
   packages: read
+  actions: read
 
 env:
   CARGO_TERM_COLOR: always
@@ -193,6 +194,11 @@ jobs:
             run_test=true
           done < <(git diff --name-only "$BASE_SHA" "$HEAD_SHA")
 
+          # Integration tests need a .node in the Test job workspace. Do not force
+          # compile-native here — compile runs in a container and artifact download
+          # to the host Test job is unreliable on self-hosted; Test restores cache
+          # and builds in CI image when needed (see test job below).
+
           echo "run_compile=${run_compile}" >> "$GITHUB_OUTPUT"
           echo "run_build_ts=${run_build_ts}" >> "$GITHUB_OUTPUT"
           echo "run_test=${run_test}" >> "$GITHUB_OUTPUT"
@@ -374,6 +380,10 @@ jobs:
           bash scripts/fix-rollup-native.sh
           bash scripts/ci/build-ts-workspace.sh
 
+  # Inline integration tests (not reusable-test.yml): workflow_call cannot download
+  # caller artifacts; compile-native runs in a container while Test runs on the
+  # self-hosted host — artifact handoff is unreliable. Test restores GHA cache and
+  # compiles in CI image when needed.
   test:
     name: Test
     needs: [changes, validate-package-lock, quality, compile-native, build-ts]
@@ -383,13 +393,118 @@ jobs:
       needs.validate-package-lock.result == 'success' &&
       needs.compile-native.result != 'failure' &&
       needs.build-ts.result != 'failure'
-    uses: ./.github/workflows/reusable-test.yml
-    with:
-      test_script: scripts/ci/run-pr-integration.sh
-      skip: ${{ needs.changes.outputs.skip_test }}
-      quality_result: ${{ needs.quality.result }}
-      binding_artifact: ${{ needs.compile-native.outputs.ran_compile == 'true' && 'bindings-x86_64-unknown-linux-gnu' || '' }}
-      require_binding_artifact: ${{ needs.compile-native.outputs.ran_compile == 'true' && 'true' || 'false' }}
-      needs_native_binding: ${{ needs.changes.outputs.needs_native_for_test }}
-      needs_ts_dist: ${{ needs.changes.outputs.needs_ts_for_test }}
-    secrets: inherit
+    runs-on: self-hosted
+    env:
+      TURN_AVAILABLE: '1'
+      CI_IMAGE: ghcr.io/${{ github.repository }}/ci-build:latest
+    steps:
+      - name: Resolve integration test gates
+        id: gate
+        env:
+          SKIP: ${{ needs.changes.outputs.skip_test }}
+          NEEDS_NATIVE: ${{ needs.changes.outputs.needs_native_for_test }}
+          NEEDS_TS: ${{ needs.changes.outputs.needs_ts_for_test }}
+        run: |
+          is_true() {
+            case "${1,,}" in
+              true|1|yes) return 0 ;;
+              *) return 1 ;;
+            esac
+          }
+          if is_true "$SKIP"; then
+            echo "skip=true" >> "$GITHUB_OUTPUT"
+            echo "::notice::Skipping integration tests — no source code changes in this PR."
+          else
+            echo "skip=false" >> "$GITHUB_OUTPUT"
+          fi
+          if is_true "$NEEDS_NATIVE"; then
+            echo "needs_native=true" >> "$GITHUB_OUTPUT"
+          else
+            echo "needs_native=false" >> "$GITHUB_OUTPUT"
+          fi
+          if is_true "$NEEDS_TS"; then
+            echo "needs_ts=true" >> "$GITHUB_OUTPUT"
+          else
+            echo "needs_ts=false" >> "$GITHUB_OUTPUT"
+          fi
+
+      - name: Require quality passed before integration tests
+        if: steps.gate.outputs.skip != 'true' && steps.gate.outputs.needs_native == 'true' && needs.quality.result != 'success'
+        run: |
+          echo "Typecheck & lint must pass before integration tests (quality=${{ needs.quality.result }})." >&2
+          exit 1
+
+      - name: Prepare workspace
+        if: steps.gate.outputs.skip != 'true'
+        run: |
+          if [[ -n "${RUNNER_WORKSPACE:-}" && -d "${RUNNER_WORKSPACE}" ]]; then
+            docker run --rm \
+              -v "${RUNNER_WORKSPACE}:${RUNNER_WORKSPACE}" \
+              alpine:3.20 \
+              chown -R "$(id -u):$(id -g)" "${RUNNER_WORKSPACE}" || true
+          fi
+
+      - uses: actions/checkout@v4
+        if: steps.gate.outputs.skip != 'true'
+
+      - uses: ./.github/actions/native-binding-cache
+        if: steps.gate.outputs.skip != 'true' && steps.gate.outputs.needs_native == 'true'
+        id: native-cache
+        with:
+          target: x86_64-unknown-linux-gnu
+          profile: debug
+
+      - name: Build native binding in CI image when cache miss
+        if: steps.gate.outputs.skip != 'true' && steps.gate.outputs.needs_native == 'true'
+        run: |
+          shopt -s nullglob
+          files=(packages/bindings/*.node)
+          if [[ ${#files[@]} -gt 0 ]]; then
+            echo "Native binding already present: $(basename "${files[0]}")"
+            exit 0
+          fi
+          echo "No cached .node — compiling in ${{ env.CI_IMAGE }}"
+          docker run --rm \
+            -v "${GITHUB_WORKSPACE}:/workspace" \
+            -w /workspace \
+            -e CMAKE_POLICY_VERSION_MINIMUM=3.5 \
+            -e OPUS_STATIC=1 \
+            "${{ env.CI_IMAGE }}" \
+            bash -c '
+              set -euo pipefail
+              cd packages/bindings
+              npm ci --ignore-scripts
+              npx napi build --target x86_64-unknown-linux-gnu
+              npm run copy:local-node
+            '
+          files=(packages/bindings/*.node)
+          if [[ ${#files[@]} -eq 0 ]]; then
+            echo "Native build in CI image did not produce a .node file." >&2
+            exit 1
+          fi
+          echo "Built native binding: $(basename "${files[0]}")"
+
+      - name: Verify native binding in workspace
+        if: steps.gate.outputs.skip != 'true' && steps.gate.outputs.needs_native == 'true'
+        run: |
+          shopt -s nullglob
+          files=(packages/bindings/*.node)
+          if [[ ${#files[@]} -eq 0 ]]; then
+            echo "No .node in packages/bindings after artifact/cache restore." >&2
+            exit 1
+          fi
+          echo "Native binding ready: $(basename "${files[0]}")"
+
+      - uses: ./.github/actions/ci-cache-ts-dist
+        if: steps.gate.outputs.skip != 'true' && steps.gate.outputs.needs_ts == 'true'
+        id: ts-cache
+        with:
+          profile: release
+
+      - uses: ./.github/actions/ci-run-integration-tests
+        if: steps.gate.outputs.skip != 'true'
+        with:
+          test_script: scripts/ci/run-pr-integration.sh
+          ci_image: ${{ env.CI_IMAGE }}
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          ts_dist_cache_hit: ${{ steps.ts-cache.outputs.cache-hit || 'false' }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 7ae887e..32c00cd 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -383,8 +383,10 @@ jobs:
         run: bash scripts/ci/post-release-sync-main-package-lock.sh "${{ steps.version.outputs.version }}"
 
       - name: Open PR to main
+        id: open_pr
         uses: peter-evans/create-pull-request@v7
         with:
+          token: ${{ secrets.REPO_SYNC_PAT != '' && secrets.REPO_SYNC_PAT || github.token }}
           commit-message: "chore(ci): sync package-lock after release ${{ steps.version.outputs.version }}"
           title: "chore(ci): sync package-lock after release ${{ steps.version.outputs.version }}"
           body: |
@@ -404,3 +406,12 @@ jobs:
           base: main
           delete-branch: true
           labels: dependencies,automation
+
+      - name: Manual PR fallback (when GITHUB_TOKEN cannot open PRs)
+        if: failure() && steps.open_pr.outcome == 'failure'
+        shell: bash
+        run: |
+          BRANCH="chore/post-release-package-lock-${{ steps.version.outputs.version }}"
+          echo "::warning::Automated PR creation failed (org may block GITHUB_TOKEN from opening PRs)."
+          echo "Fix: repo Settings → Actions → allow Actions to create PRs, or add secret REPO_SYNC_PAT (classic PAT, repo scope)."
+          echo "Open manually: https://github.com/${{ github.repository }}/compare/main...${BRANCH}?expand=1"
diff --git a/scripts/RELEASE.md b/scripts/RELEASE.md
index b26f8b5..305799c 100644
--- a/scripts/RELEASE.md
+++ b/scripts/RELEASE.md
@@ -187,7 +187,12 @@ Job **`Sync main package-lock (PR)`** in [`release.yml`](../.github/workflows/re
 4. Opens a PR via [`peter-evans/create-pull-request`](https://github.com/peter-evans/create-pull-request) — branch `chore/post-release-package-lock-X.Y.Z`, labels `dependencies`, `automation`.
 5. Skips opening a PR if there is no diff.
 
-Requires workflow permission **`pull-requests: write`** and a `GITHUB_TOKEN` that can push branches. If branch protection blocks the bot, create the PR manually from the branch the job pushed (or re-run the sync script locally and open the PR yourself).
+Requires workflow permission **`pull-requests: write`**. If the org disables **“Allow GitHub Actions to create and approve pull requests”**, `GITHUB_TOKEN` cannot open the PR (the branch may still be pushed). Fix one of:
+
+1. **Repo Settings → Actions → General** — enable **Allow GitHub Actions to create and approve pull requests**, or
+2. Add repo secret **`REPO_SYNC_PAT`** (classic PAT with `repo` scope) — `release.yml` uses it for `create-pull-request`.
+
+If automation fails, open the PR manually from branch `chore/post-release-package-lock-X.Y.Z` (compare link is printed in the failed workflow log).
 
 ### `SKIP_LOCK_REFRESH`