diff --git a/.github/workflows/automerge-dependabot.yml b/.github/workflows/automerge-dependabot.yml
deleted file mode 100644
index 86d24bc..0000000
--- a/.github/workflows/automerge-dependabot.yml
+++ /dev/null
@@ -1,72 +0,0 @@
-# Enables auto-merge (squash) on Dependabot PRs and any PR labelled "automerge".
-# Draft PRs are skipped. Small updates (patch and minor) auto-merge on any
-# ecosystem. Major updates only auto-merge for GitHub Actions, where CI runs the
-# action itself so a breaking bump goes red; major application-dependency bumps
-# (npm, pip and the like) are held for manual review, because CI can pass while
-# runtime behaviour breaks. CI must still pass before any merge lands.
-#
-# Branch deletion for merges the token could not clean up is handled by the
-# scheduled Repo maintenance workflow. See update-pr-branches.yml for the detail.
-
-name: Auto-merge Dependabot
-
-on:
-  pull_request_target:
-    types: [opened, reopened, synchronize, ready_for_review, labeled]
-
-permissions:
-  contents: write
-  pull-requests: write
-
-jobs:
-  enable-automerge:
-    name: Auto-merge safe Dependabot PRs
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Fetch Dependabot metadata
-        id: meta
-        if: github.event.pull_request.user.login == 'dependabot[bot]'
-        uses: dependabot/fetch-metadata@v2
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Enable auto-merge for eligible PRs
-        env:
-          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          PR_URL: ${{ github.event.pull_request.html_url }}
-          PR_IS_DRAFT: ${{ github.event.pull_request.draft }}
-          PR_AUTHOR: ${{ github.event.pull_request.user.login }}
-          PR_LABELS: ${{ join(github.event.pull_request.labels.*.name, ',') }}
-          UPDATE_TYPE: ${{ steps.meta.outputs.update-type }}
-          ECOSYSTEM: ${{ steps.meta.outputs.package-ecosystem }}
-        run: |
-          # Never auto-merge drafts - they are explicitly not ready
-          if [ "$PR_IS_DRAFT" = "true" ]; then
-            echo "Draft PR - skipping auto-merge setup"
-            exit 0
-          fi
-
-          # Non-Dependabot PRs opt in with the automerge label
-          if [ "$PR_AUTHOR" != "dependabot[bot]" ]; then
-            if echo "$PR_LABELS" | grep -Eq '(^|,)automerge(,|$)'; then
-              gh pr merge --auto --squash --delete-branch "$PR_URL"
-            else
-              echo "Auto-merge not enabled - add the automerge label for non-Dependabot PRs"
-            fi
-            exit 0
-          fi
-
-          # Dependabot: hold major bumps for application dependencies (anything
-          # that is not GitHub Actions), auto-merge everything else.
-          if [ "$UPDATE_TYPE" = "version-update:semver-major" ]; then
-            case "$ECOSYSTEM" in
-              github_actions|github-actions)
-                echo "Major GitHub Actions bump - CI runs the action, enabling auto-merge" ;;
-              *)
-                echo "Holding major $ECOSYSTEM bump for manual review"
-                exit 0 ;;
-            esac
-          fi
-
-          gh pr merge --auto --squash --delete-branch "$PR_URL"
diff --git a/.github/workflows/stale.yml b/.github/workflows/stale.yml
deleted file mode 100644
index 1e94097..0000000
--- a/.github/workflows/stale.yml
+++ /dev/null
@@ -1,40 +0,0 @@
-name: Stale
-
-on:
-  schedule:
-    # I run this daily at 01:00 UTC to keep the issue tracker tidy without
-    # spamming contributors during working hours.
-    - cron: '0 1 * * *'
-
-jobs:
-  stale:
-    runs-on: ubuntu-latest
-    permissions:
-      issues: write
-      pull-requests: write
-
-    steps:
-      - uses: actions/stale@v9
-        with:
-          stale-issue-message: >
-            This issue has had no activity for 60 days and has been marked as
-            stale. It will be closed in 14 days unless there is new activity.
-            If this is still relevant, please leave a comment or remove the
-            stale label.
-          close-issue-message: >
-            This issue was closed automatically after 14 days of inactivity
-            following the stale label. Feel free to reopen it if the problem
-            persists.
-          stale-pr-message: >
-            This pull request has had no activity for 60 days and has been
-            marked as stale. It will be closed in 14 days unless there is new
-            activity.
-          close-pr-message: >
-            This pull request was closed automatically after 14 days of
-            inactivity following the stale label.
-          days-before-stale: 60
-          days-before-close: 14
-          stale-issue-label: stale
-          stale-pr-label: stale
-          exempt-issue-labels: pinned,security,in-progress
-          exempt-pr-labels: pinned,security,in-progress
diff --git a/.github/workflows/update-pr-branches.yml b/.github/workflows/update-pr-branches.yml
deleted file mode 100644
index 1b15198..0000000
--- a/.github/workflows/update-pr-branches.yml
+++ /dev/null
@@ -1,49 +0,0 @@
-# Deletes merged PR branches that the merge itself failed to clean up.
-#
-# GitHub does not trigger other workflows' push or pull_request events for actions
-# performed with a workflow's own GITHUB_TOKEN (anti-recursion safeguard), so the
-# automerge job's squash-merge commits do not reliably fire this on push: main. A
-# schedule trigger does not depend on what authored the previous event, so it is
-# used as the reliable path; deleting an already-merged branch never pushes a commit
-# to an open PR, so it cannot trigger further CI.
-
-name: Repo maintenance
-
-on:
-  push:
-    branches: [main]
-  schedule:
-    # Every 2 hours - cheap safety net for branch deletion only
-    - cron: "0 */2 * * *"
-  workflow_dispatch: {}
-
-permissions:
-  contents: write
-  pull-requests: write
-
-jobs:
-  maintain-branches:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Delete head branches of merged PRs that still exist
-        env:
-          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          REPO: ${{ github.repository }}
-        run: |
-          # Recently merged PRs - their head branch should have been deleted at
-          # merge time, but the GITHUB_TOKEN restriction above means it often did not
-          merged_branches=$(gh api "repos/$REPO/pulls?state=closed&sort=updated&direction=desc&per_page=30" \
-            --jq '[.[] | select(.merged_at != null and .head.repo.full_name == "'"$REPO"'") | .head.ref] | .[]')
-
-          if [ -z "$merged_branches" ]; then
-            echo "No recently merged PRs found"
-            exit 0
-          fi
-
-          while read -r branch; do
-            [ "$branch" = "main" ] && continue
-            if gh api "repos/$REPO/branches/$branch" >/dev/null 2>&1; then
-              echo "Deleting stale merged branch: $branch"
-              gh api -X DELETE "repos/$REPO/git/refs/heads/$branch" || echo "Failed to delete $branch - may already be gone"
-            fi
-          done <<< "$merged_branches"