ci: adopt shared reusable deploy workflow (deploy-app.yml)

Replaces the per-repo staging/smoke/production jobs with one call to
peptiderepo/peptide-e2e/.github/workflows/deploy-app.yml (target_path=wp-content/plugins/prautoblogger).
Validated end-to-end on the calculator pilot.

Agent-Session: cto rollout-reusable-deploy

.github/workflows/cto-review.yml

@@ -123,17 +123,18 @@ jobs:
           git fetch origin ${{ github.event.pull_request.base.ref }} --depth=50
           BASE_SHA="${{ github.event.pull_request.base.sha }}"
           HEAD_SHA="${{ github.event.pull_request.head.sha }}"
-          DIFF=$(git diff --no-color "$BASE_SHA" "$HEAD_SHA" | head -c 400000)
+          # Write the diff to a file, not a step output / env var. Passing a
+          # ~400KB diff through the process env (execve argv+envp) exceeds the
+          # runner ARG_MAX and fails the next step with "Argument list too long"
+          # (issue #110). File transport also sidesteps the ~1MB step-output cap.
+          git diff --no-color "$BASE_SHA" "$HEAD_SHA" | head -c 400000 > /tmp/cto-review-diff.txt
           FILES=$(git diff --name-only "$BASE_SHA" "$HEAD_SHA")
-          SIZE=$(echo -n "$DIFF" | wc -c)
+          SIZE=$(wc -c < /tmp/cto-review-diff.txt)
           {
             echo "size=$SIZE"
             echo "files<<EOF_FILES"
             echo "$FILES"
             echo "EOF_FILES"
-            echo "diff<<EOF_DIFF"
-            echo "$DIFF"
-            echo "EOF_DIFF"
           } >> "$GITHUB_OUTPUT"
 
       - name: Load repo conventions
@@ -161,7 +162,7 @@ jobs:
           PR_AUTHOR: ${{ github.event.pull_request.user.login }}
           PR_NUMBER: ${{ github.event.pull_request.number }}
           REPO_NAME: ${{ github.event.repository.name }}
-          DIFF: ${{ steps.diff.outputs.diff }}
+          DIFF_PATH: /tmp/cto-review-diff.txt
           DIFF_SIZE: ${{ steps.diff.outputs.size }}
           CHANGED_FILES: ${{ steps.diff.outputs.files }}
           CONVENTIONS: ${{ steps.conventions.outputs.content }}
@@ -229,7 +230,9 @@ jobs:
           user_blocks.append(f"**Changed files:**\n```\n{os.environ['CHANGED_FILES']}\n```\n")
           if os.environ.get("CONVENTIONS", "").strip():
               user_blocks.append(f"# Repo CONVENTIONS.md\n{os.environ['CONVENTIONS']}\n")
-          user_blocks.append(f"# Diff\n```diff\n{os.environ['DIFF']}\n```\n")
+          with open(os.environ["DIFF_PATH"], encoding="utf-8", errors="replace") as _df:
+              _diff_text = _df.read()
+          user_blocks.append(f"# Diff\n```diff\n{_diff_text}\n```\n")
           user_message = "\n\n".join(user_blocks)
 
           tools = [{

.github/workflows/deploy.yml

@@ -28,92 +28,10 @@ jobs:
             -not -path './.github/*' \
             -print0 | xargs -0 -n1 -P4 php -l > /dev/null
 
-  deploy-staging:
-    name: Deploy to Staging
+  deploy:
+    name: Deploy (shared pipeline)
     needs: validate
-    runs-on: ubuntu-latest
-    environment: staging
-    steps:
-      - uses: actions/checkout@v4
-      - name: Setup SSH key
-        run: |
-          mkdir -p ~/.ssh
-          echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/deploy_key
-          chmod 600 ~/.ssh/deploy_key
-          ssh-keyscan -p ${{ secrets.SSH_PORT }} ${{ secrets.SSH_HOST }} >> ~/.ssh/known_hosts 2>/dev/null
-      - name: Deploy via rsync → staging
-        run: |
-          rsync -avz --delete \
-            --exclude '.git' --exclude '.github' \
-            --exclude 'tests' --exclude 'phpunit.xml.dist' \
-            --exclude 'composer.json' --exclude 'composer.lock' \
-            --exclude 'vendor' --exclude '.distignore' \
-            --exclude 'ARCHITECTURE.md' --exclude 'CONVENTIONS.md' \
-            -e "ssh -i ~/.ssh/deploy_key -p ${{ secrets.SSH_PORT }}" \
-            ./ ${{ secrets.SSH_USERNAME }}@${{ secrets.SSH_HOST }}:~/domains/peptiderepo.com/public_html/staging/wp-content/plugins/prautoblogger/
-      - name: Staging health check
-        run: |
-          sleep 5
-          STATUS=$(curl -s -o /dev/null -w "%{http_code}" https://staging.peptiderepo.com/ || echo "000")
-          echo "Staging responded: HTTP $STATUS"
-          [ "$STATUS" = "000" ] && echo "Warning: staging DNS may still be propagating" || true
-      - name: Cleanup
-        if: always()
-        run: rm -f ~/.ssh/deploy_key
-
-  smoke:
-    name: Smoke tests (staging)
-    needs: deploy-staging
-    continue-on-error: true
-    uses: peptiderepo/peptide-e2e/.github/workflows/smoke.yml@main
-    secrets:
-      STAGING_WP_ADMIN_USER: ${{ secrets.STAGING_WP_ADMIN_USER }}
-      STAGING_WP_ADMIN_PASSWORD: ${{ secrets.STAGING_WP_ADMIN_PASSWORD }}
-
-  deploy-production:
-    name: Deploy to Production
-    needs: [validate, deploy-staging]
-    runs-on: ubuntu-latest
-    environment: production
-    steps:
-      - uses: actions/checkout@v4
-      - name: Setup SSH key
-        run: |
-          mkdir -p ~/.ssh
-          echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/deploy_key
-          chmod 600 ~/.ssh/deploy_key
-          ssh-keyscan -p ${{ secrets.SSH_PORT }} ${{ secrets.SSH_HOST }} >> ~/.ssh/known_hosts 2>/dev/null
-      - name: Deploy via rsync → production
-        run: |
-          rsync -avz --delete \
-            --exclude '.git' --exclude '.github' \
-            --exclude 'tests' --exclude 'phpunit.xml.dist' \
-            --exclude 'composer.json' --exclude 'composer.lock' \
-            --exclude 'vendor' --exclude '.distignore' \
-            --exclude 'ARCHITECTURE.md' --exclude 'CONVENTIONS.md' \
-            -e "ssh -i ~/.ssh/deploy_key -p ${{ secrets.SSH_PORT }}" \
-            ./ ${{ secrets.SSH_USERNAME }}@${{ secrets.SSH_HOST }}:~/domains/peptiderepo.com/public_html/wp-content/plugins/prautoblogger/
-      - name: Purge LiteSpeed Cache
-        run: |
-          ssh -i ~/.ssh/deploy_key -p ${{ secrets.SSH_PORT }} \
-            ${{ secrets.SSH_USERNAME }}@${{ secrets.SSH_HOST }} \
-            "cd ~/domains/peptiderepo.com/public_html && \
-             wp litespeed-purge all 2>/dev/null || \
-             (find wp-content/litespeed/ -type f -delete 2>/dev/null; touch .lscache_purge 2>/dev/null) || true"
-      - name: Production health check
-        run: |
-          sleep 5
-          STATUS=$(curl -s -o /dev/null -w "%{http_code}" https://peptiderepo.com)
-          if [ "$STATUS" != "200" ] && [ "$STATUS" != "403" ]; then
-            echo "ERROR: Site returned unexpected HTTP $STATUS after deploy"
-            exit 1
-          fi
-          echo "Production healthy (HTTP $STATUS)"
-      - name: Cleanup
-        if: always()
-        run: rm -f ~/.ssh/deploy_key
-      - name: Deploy summary
-        run: |
-          echo "## Deployment Complete" >> $GITHUB_STEP_SUMMARY
-          echo "- **Commit:** \`${GITHUB_SHA::7}\`" >> $GITHUB_STEP_SUMMARY
-          echo "- **Deployed to:** peptiderepo.com" >> $GITHUB_STEP_SUMMARY
+    uses: peptiderepo/peptide-e2e/.github/workflows/deploy-app.yml@main
+    with:
+      target_path: wp-content/plugins/prautoblogger
+    secrets: inherit

.github/workflows/main-push-audit.yml

@@ -29,12 +29,22 @@ jobs:
         with:
           script: |
             const sha = context.sha;
-            const { data: prs } = await github.rest.repos.listPullRequestsAssociatedWithCommit({
-              owner: context.repo.owner,
-              repo: context.repo.repo,
-              commit_sha: sha,
-            });
-            const merged = prs.find(p => p.merged_at);
+            // Squash-merge -> PR association is eventually-consistent; poll briefly
+            // before concluding this was a direct push (avoids false positives on merges).
+            async function findMergedPR() {
+              for (let attempt = 1; attempt <= 5; attempt++) {
+                const { data: prs } = await github.rest.repos.listPullRequestsAssociatedWithCommit({
+                  owner: context.repo.owner,
+                  repo: context.repo.repo,
+                  commit_sha: sha,
+                });
+                const m = prs.find(p => p.merged_at);
+                if (m) return m;
+                if (attempt < 5) await new Promise(r => setTimeout(r, 10000));
+              }
+              return null;
+            }
+            const merged = await findMergedPR();
             if (merged) {
               core.info(`OK: commit ${sha.substring(0,7)} came from PR #${merged.number}`);
               return;