fix: delete missed benchmark-pr.yml workflow, fix flaky session test

- Remove benchmark-pr.yml that referenced deleted benchmark:ci script
- Fix session-persistence round-trip test using timestamps closer to
  now to avoid edge cases exposed by removing retry:2

Conceived by Romuald Członkowski - www.aiadvisors.pl/en

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.github/workflows/benchmark-pr.yml

@@ -1,176 +0,0 @@
-name: Benchmark PR Comparison
-on:
-  pull_request:
-    branches: [main]
-    paths-ignore:
-      - '**.md'
-      - '**.txt'
-      - 'docs/**'
-      - 'examples/**'
-      - '.github/FUNDING.yml'
-      - '.github/ISSUE_TEMPLATE/**'
-      - '.github/pull_request_template.md'
-      - '.gitignore'
-      - 'LICENSE*'
-      - 'ATTRIBUTION.md'
-      - 'SECURITY.md'
-      - 'CODE_OF_CONDUCT.md'
-
-permissions:
-  pull-requests: write
-  contents: read
-  statuses: write
-
-jobs:
-  benchmark-comparison:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout PR branch
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-      
-      - name: Setup Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: 20
-          cache: 'npm'
-      
-      - name: Install dependencies
-        run: npm ci
-      
-      # Run benchmarks on current branch
-      - name: Run current benchmarks
-        run: npm run benchmark:ci
-      
-      - name: Save current results
-        run: cp benchmark-results.json benchmark-current.json
-      
-      # Checkout and run benchmarks on base branch
-      - name: Checkout base branch
-        run: |
-          git checkout ${{ github.event.pull_request.base.sha }}
-          git status
-      
-      - name: Install base dependencies
-        run: npm ci
-      
-      - name: Run baseline benchmarks
-        run: npm run benchmark:ci
-        continue-on-error: true
-      
-      - name: Save baseline results
-        run: |
-          if [ -f benchmark-results.json ]; then
-            cp benchmark-results.json benchmark-baseline.json
-          else
-            echo '{"files":[]}' > benchmark-baseline.json
-          fi
-      
-      # Compare results
-      - name: Checkout PR branch again
-        run: git checkout ${{ github.event.pull_request.head.sha }}
-      
-      - name: Compare benchmarks
-        id: compare
-        run: |
-          node scripts/compare-benchmarks.js benchmark-current.json benchmark-baseline.json || echo "REGRESSION=true" >> $GITHUB_OUTPUT
-      
-      # Upload comparison artifacts
-      - name: Upload benchmark comparison
-        if: always()
-        uses: actions/upload-artifact@v4
-        with:
-          name: benchmark-comparison-${{ github.run_number }}
-          path: |
-            benchmark-current.json
-            benchmark-baseline.json
-            benchmark-comparison.json
-            benchmark-comparison.md
-          retention-days: 30
-      
-      # Post comparison to PR
-      - name: Post benchmark comparison to PR
-        if: always()
-        uses: actions/github-script@v7
-        continue-on-error: true
-        with:
-          script: |
-            try {
-              const fs = require('fs');
-              let comment = '## ⚡ Benchmark Comparison\n\n';
-              
-              try {
-                if (fs.existsSync('benchmark-comparison.md')) {
-                  const comparison = fs.readFileSync('benchmark-comparison.md', 'utf8');
-                  comment += comparison;
-                } else {
-                  comment += 'Benchmark comparison could not be generated.';
-                }
-              } catch (error) {
-                comment += `Error reading benchmark comparison: ${error.message}`;
-              }
-              
-              comment += '\n\n---\n';
-              comment += `*[View full benchmark results](https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }})*`;
-              
-              // Find existing comment
-              const { data: comments } = await github.rest.issues.listComments({
-                owner: context.repo.owner,
-                repo: context.repo.repo,
-                issue_number: context.issue.number,
-              });
-              
-              const botComment = comments.find(comment => 
-                comment.user.type === 'Bot' && 
-                comment.body.includes('## ⚡ Benchmark Comparison')
-              );
-              
-              if (botComment) {
-                await github.rest.issues.updateComment({
-                  owner: context.repo.owner,
-                  repo: context.repo.repo,
-                  comment_id: botComment.id,
-                  body: comment
-                });
-              } else {
-                await github.rest.issues.createComment({
-                  owner: context.repo.owner,
-                  repo: context.repo.repo,
-                  issue_number: context.issue.number,
-                  body: comment
-                });
-              }
-            } catch (error) {
-              console.error('Failed to create/update PR comment:', error.message);
-              console.log('This is likely due to insufficient permissions for external PRs.');
-              console.log('Benchmark comparison has been saved to artifacts instead.');
-            }
-      
-      # Add status check
-      - name: Set benchmark status
-        if: always()
-        uses: actions/github-script@v7
-        continue-on-error: true
-        with:
-          script: |
-            try {
-              const hasRegression = '${{ steps.compare.outputs.REGRESSION }}' === 'true';
-              const state = hasRegression ? 'failure' : 'success';
-              const description = hasRegression 
-                ? 'Performance regressions detected' 
-                : 'No performance regressions';
-              
-              await github.rest.repos.createCommitStatus({
-                owner: context.repo.owner,
-                repo: context.repo.repo,
-                sha: context.sha,
-                state: state,
-                target_url: `https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}`,
-                description: description,
-                context: 'benchmarks/regression-check'
-              });
-            } catch (error) {
-              console.error('Failed to create commit status:', error.message);
-              console.log('This is likely due to insufficient permissions for external PRs.');
-            }

tests/unit/mcp-engine/session-persistence.test.ts

@@ -177,8 +177,8 @@ describe('N8NMCPEngine - Session Persistence', () => {
       const serverAny = server as any;
 
       const now = new Date();
-      const createdAt = new Date(now.getTime() - 10 * 60 * 1000); // 10 minutes ago
+      const createdAt = new Date(now.getTime() - 60 * 1000); // 1 minute ago
-      const lastAccess = new Date(now.getTime() - 5 * 60 * 1000);  // 5 minutes ago
+      const lastAccess = new Date(now.getTime() - 30 * 1000);  // 30 seconds ago
 
       serverAny.sessionMetadata['engine-session'] = {
         createdAt,