[ci] add ai policy checkbox detection

.github/workflows/ai-policy-checkbox.yml

@@ -0,0 +1,90 @@
+---
+name: AI Policy
+
+# yamllint disable-line rule:truthy
+on:
+  issues:
+    types: [opened]
+  pull_request_target:
+    types: [opened]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.issue.number || github.event.pull_request.number }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read
+
+jobs:
+  issue:
+    name: Check issue
+    if: >-
+      github.event_name == 'issues' &&
+      github.event.sender.type != 'Bot' &&
+      contains(fromJSON('["NONE","FIRST_TIMER","FIRST_TIME_CONTRIBUTOR"]'),
+               github.event.issue.author_association)
+    runs-on: ubuntu-26.04
+    permissions:
+      issues: write
+    steps:
+      - uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3  # v9.0.0
+        with:
+          script: |
+            const body = context.payload.issue.body || '';
+            const lines = body.split(/\r?\n/).map((l) => l.trim().replace('[X]', '[x]'));
+            const ref = '[AI Policy]: https://github.com/searxng/searxng/blob/master/AI_POLICY.rst';
+            const box = '- [x] I read the [AI Policy] and hereby confirm that this issue'
+              + ' conforms with the policy.';
+            if (lines.includes(ref) && lines.includes(box)) return;
+
+            const n = context.payload.issue.number;
+            const msg = 'This issue was closed because the AI Policy box has not been ticked.\n\n'
+              + 'Please open a new issue with the checkbox ticked.';
+            await github.rest.issues.createComment({
+              owner: context.repo.owner, repo: context.repo.repo, issue_number: n,
+              body: msg,
+            });
+            await github.rest.issues.addLabels({
+              owner: context.repo.owner, repo: context.repo.repo, issue_number: n,
+              labels: ['invalid:slop'],
+            });
+            await github.rest.issues.update({
+              owner: context.repo.owner, repo: context.repo.repo, issue_number: n,
+              state: 'closed', state_reason: 'not_planned',
+            });
+
+  pull_request:
+    name: Check pull request
+    if: >-
+      github.event_name == 'pull_request_target' &&
+      github.event.sender.type != 'Bot' &&
+      contains(fromJSON('["NONE","FIRST_TIMER","FIRST_TIME_CONTRIBUTOR"]'),
+               github.event.pull_request.author_association)
+    runs-on: ubuntu-26.04
+    permissions:
+      pull-requests: write
+    steps:
+      - uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3  # v9.0.0
+        with:
+          script: |
+            const body = context.payload.pull_request.body || '';
+            const lines = body.split(/\r?\n/).map((l) => l.trim().replace('[X]', '[x]'));
+            const ref = '[AI Policy]: https://github.com/searxng/searxng/blob/master/AI_POLICY.rst';
+            const box = '- [x] **I hereby confirm that this PR conforms with the [AI Policy].**';
+            if (lines.includes(ref) && lines.includes(box)) return;
+
+            const n = context.payload.pull_request.number;
+            const msg = 'This pull request was closed because the AI Policy box has not been'
+              + ' ticked.\n\nPlease open a new pull request with the checkbox ticked.';
+            await github.rest.issues.createComment({
+              owner: context.repo.owner, repo: context.repo.repo, issue_number: n,
+              body: msg,
+            });
+            await github.rest.issues.addLabels({
+              owner: context.repo.owner, repo: context.repo.repo, issue_number: n,
+              labels: ['invalid:slop'],
+            });
+            await github.rest.issues.update({
+              owner: context.repo.owner, repo: context.repo.repo, issue_number: n,
+              state: 'closed', state_reason: 'not_planned',
+            });