fix: remove stale claude-dev container before deploy

Delete any existing claude-dev container before compose up so name conflicts do not block CI deployment.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.gitea/workflows/deploy-claude-dev-dev.yml

@@ -104,6 +104,9 @@ jobs:
           cp claude-dev/docker-compose.yml /claude-dev-runtime/docker-compose.yml
           printf '%s\n' "$CLAUDE_DEV_IMAGE_TAG" > /claude-dev-runtime/target-tag.txt
 
+      - name: Remove stale claude-dev container
+        run: docker rm -f claude-dev || true
+
       - name: Deploy claude-dev
         run: |
           set -euo pipefail