GRM-161: Fix register.yml service start and bump devx to v0.50.5 (#238)

- Fix register.yml premature service start (removed systemctl start before unit file exists)
- Replace broken inline Python in ci.yml auto-merge with devx.ci.wait_for_checks
- Bump devx from v0.50.0 to v0.50.5

GRM-161

.gitea/workflows/ci.yml

@@ -311,34 +311,14 @@ jobs:
         if: needs.validate.outputs.ansible-changed == 'true'
         env:
           CI_GITEA_API_TOKEN: ${{ secrets.CI_GITEA_API_TOKEN }}
-          REPOSITORY: ${{ github.repository }}
-          PR_NUMBER: ${{ github.event.number }}
         run: |
           . .venv/bin/activate 2>/dev/null || true
-          # Poll Gitea API for molecule-tests job status (max 20 min)
-          for i in $(seq 1 120); do
-            all_done=$(python3 -c "
-            import json,urllib.request
-            url='https://git.oblachno.oblachno.fyi/api/v1/repos/$REPOSITORY/actions/runs?limit=5&event=pull_request'
-            req=urllib.request.Request(url,headers={'Authorization':'token $CI_GITEA_API_TOKEN'})
-            runs=json.loads(urllib.request.urlopen(req).read())
-            for r in runs[:3]:
-                jobs_url=f'https://git.oblachno.oblachno.fyi/api/v1/repos/$REPOSITORY/actions/runs/{r[\"id\"]}/jobs'
-                jreq=urllib.request.Request(jobs_url,headers={'Authorization':'token $CI_GITEA_API_TOKEN'})
-                jobs=json.loads(urllib.request.urlopen(jreq).read())
-                for j in (jobs if isinstance(jobs,list) else jobs.get('jobs',[])):
-                    if j.get('name','').startswith('molecule-tests') and j.get('status')!='completed':
-                        print('WAITING'); break
-                else:
-                    continue
-                break
-            else:
-                print('DONE')
-            ")
-            echo "Poll $i: $all_done"
-            [ "$all_done" = "DONE" ] && break
-            sleep 10
-          done
+          python3 -m devx.ci.wait_for_checks \
+            --job-name "molecule-tests" \
+            --repo "${{ github.repository }}" \
+            --timeout 1200 \
+            --poll-interval 10 \
+            --no-require-success
       - name: Squash merge with task ID
         env:
           CI_GITEA_API_TOKEN: ${{ secrets.CI_GITEA_API_TOKEN }}