Fix race condition in Claude Code skill installation

home/roles/development/default.nix

@@ -85,12 +85,17 @@ in
         fi
       done
 
-      # Copy local skills from this repo
+      # Copy local skills from this repo (with retry for race conditions with running Claude)
       for file in ${./skills}/*.md; do
         if [ -f "$file" ]; then
           filename=$(basename "$file" .md)
           dest="$HOME/.claude/commands/''${filename}.md"
-          cp "$file" "$dest"
+          # Remove existing file first, then copy with retry on failure
+          rm -f "$dest" 2>/dev/null || true
+          if ! cp "$file" "$dest" 2>/dev/null; then
+            sleep 0.5
+            cp "$file" "$dest" || echo "Warning: Failed to copy $filename.md to commands"
+          fi
         fi
       done