A bit more auto-labeling on issue open

.github/issues-auto-labels.yml

@@ -12,3 +12,9 @@
 
 🐧 Linux:
     - '(🐧 Linux)'
+
+🦊 Firefox:
+    - '(firefox|mozilla)'
+
+📱 Mobile:
+    - '(iphone|ios|android|📱 Termux)'

.github/workflows/issues-auto-manager.yml

@@ -11,6 +11,9 @@ jobs:
 
     steps:
       - name: Auto-Label Issues (Based on Issue Content)
+        # only auto label based on issue content once, on open (to prevent re-labeling removed labels)
+        if: github.event.action == 'opened'
+
         # Issue Labeler
         # https://github.com/marketplace/actions/regex-issue-labeler
         uses: github/issue-labeler@v3