docs(ci): tracker-live records that act_runner force-pulls the job image anonymously (#156)

Files changed:
- .gitea/workflows/tracker-live.yml

.gitea/workflows/tracker-live.yml

@@ -34,9 +34,10 @@ jobs:
       - uses: actions/checkout@v7
 
       - name: Which Super Productivity is this
-        # The image tag says which release it was built for; whether `:latest` was pulled
-        # fresh or served from the runner's cache is not certain. So the run compares what is
-        # installed with what the update channel names now, and says so in the log.
+        # act_runner pulls the job image with `forcePull=true` and no credentials (observed on
+        # the first run, 442), so `:latest` is always the registry's current one. What can
+        # still lag is the image itself - a release the daily build has not picked up yet. So
+        # the run compares what is installed with what the update channel names now.
         run: |
           set -eu
           installed="$(dpkg-query -W -f='${Version}' superproductivity)"