CI: skip copying own models to avoid duplicate SQLAlchemy table defs

Each app has its own models/ at the root (imported as bare `models.X`).
The CI copy was also creating {app}/models/ (imported as `{app}.models.X`),
causing SQLAlchemy to see the same table defined twice.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.gitea/workflows/ci.yml

@@ -39,8 +39,9 @@ jobs:
             git fetch origin ${{ github.ref_name }}
             git reset --hard origin/${{ github.ref_name }}
             git submodule update --init --recursive
-            # Copy sibling app models for cross-domain imports (read from git objects to avoid race conditions)
+            # Copy sibling app models for cross-domain imports (skip self to avoid duplicate table defs)
             for sibling in blog market cart events; do
+              [ \"\$sibling\" = \"${{ env.IMAGE }}\" ] && continue
               rm -rf \$sibling/__init__.py \$sibling/models
               repo=/root/rose-ash/\$sibling
               if [ -d \$repo/.git ]; then