Add dependabot automerge

.github/dependabot.yml

@@ -0,0 +1,25 @@
+version: 2
+updates:
+  # Enable version updates for npm
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    # Allow both direct and indirect updates
+    allow:
+      - dependency-type: "all"
+    # Automatically rebase PRs when conflicts occur
+    rebase-strategy: "auto"
+    # Group minor and patch updates together
+    groups:
+      minor-and-patch:
+        patterns:
+          - "*"
+        update-types:
+          - "minor"
+          - "patch"
+    # Set commit message preferences
+    commit-message:
+      prefix: "chore"
+      prefix-development: "chore"
+      include: "scope"

.github/workflows/dependabot-automerge.yml

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+name: TA2MAi Auto-merge
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+
+permissions:
+  contents: write
+  pull-requests: write
+  checks: read
+
+jobs:
+  dependabot-automerge:
+    runs-on: ubuntu-latest
+    if: github.actor == 'TA2MA-bot[bot]'
+    steps:
+      - name: Dependabot metadata
+        id: metadata
+        uses: dependabot/fetch-metadata@v1.6.0
+        with:
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
+
+      - name: Wait for status checks
+        uses: lewagon/wait-on-check-action@v1.3.1
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
+          check-name: 'build'  # This matches the job name in proof-html.yml
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          wait-interval: 10
+
+      - name: Enable auto-merge for patch and minor updates
+        if: steps.metadata.outputs.update-type == 'version-update:semver-patch' || steps.metadata.outputs.update-type == 'version-update:semver-minor'
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{ github.event.pull_request.html_url }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Comment on major version updates
+        if: steps.metadata.outputs.update-type == 'version-update:semver-major'
+        run: |
+          gh pr comment "$PR_URL" --body "🚨 **Major version update detected!** 
+
+          This PR contains a major version update that may include breaking changes. Please review manually before merging.
+
+          If you're confident this update is safe, you can merge it manually or uncomment the auto-merge line in the workflow."
+        env:
+          PR_URL: ${{ github.event.pull_request.html_url }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}