chore: sync pr-check.yml from Template-Generic [skip ci]

.mokogitea/workflows/pr-check.yml

@@ -137,6 +137,40 @@ jobs:
           echo "Docs update present (README.md + CHANGELOG.md)"
           echo "## Docs Update: Passed" >> "$GITHUB_STEP_SUMMARY"
 
+  # ── Wiki Update Reminder (main PRs, non-blocking) ───────────────────────
+  wiki-reminder:
+    name: Wiki Update Reminder
+    runs-on: ubuntu-latest
+    if: ${{ github.base_ref == 'main' }}
+    steps:
+      - name: Remind to update the wiki
+        env:
+          TOKEN: ${{ secrets.MOKOGITEA_TOKEN }}
+          SERVER: ${{ vars.GITEA_URL || 'https://git.mokoconsulting.tech' }}
+          REPO: ${{ github.repository }}
+          PR: ${{ github.event.pull_request.number }}
+        run: |
+          set -uo pipefail
+          {
+            echo "## Wiki Update Reminder"
+            echo ""
+            echo "Docs are **wiki-first** at MokoConsulting. If this change affects behavior, usage, configuration, or standards, update the repo wiki:"
+            echo ""
+            echo "- ${SERVER}/${REPO}/wiki"
+            echo ""
+            echo "_Non-blocking reminder._"
+          } >> "$GITHUB_STEP_SUMMARY"
+          # Post a single PR comment (idempotent via hidden marker); best-effort, never fails.
+          API="${SERVER}/api/v1/repos/${REPO}/issues/${PR}/comments"
+          if [ -n "${TOKEN:-}" ] && [ -n "${PR:-}" ]; then
+            existing="$(curl -sf -H "Authorization: token ${TOKEN}" "$API" 2>/dev/null | grep -c 'wiki-reminder' || true)"
+            if [ "${existing:-0}" -eq 0 ]; then
+              curl -sf -H "Authorization: token ${TOKEN}" -H "Content-Type: application/json" -X POST "$API" \
+                -d '{"body":"<!-- wiki-reminder -->\n\n**Wiki reminder:** docs are wiki-first -- if this PR changes behavior, usage, config, or standards, please update the repo wiki before/after merge. _(non-blocking)_"}' >/dev/null 2>&1 || true
+            fi
+          fi
+          echo "Wiki reminder emitted (non-blocking)."
+
   # ── Secret Scanning ──────────────────────────────────────────────────
   gitleaks:
     name: Secret Scan