Disable CI workflow, keep only tag-triggered releases

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.gitea/workflows/ci.yml

@@ -1,10 +1,14 @@
 name: CI Build
 
+# Disabled for now - only release workflow (tag-triggered) is active
+# on:
+#   push:
+#     branches:
+#       - '**'
+#   pull_request:
+
 on:
-  push:
+  workflow_dispatch:  # Manual trigger only
-    branches:
-      - '**'
-  pull_request:
 
 jobs:
   build-windows: