ci: copy react-devtools-core stub instead of symlink

Bun's bundler can't read directory symlinks (EISDIR). Copy the stub
files directly into node_modules instead.

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

.gitea/workflows/ci.yml

@@ -120,8 +120,10 @@ jobs:
         run: |
           mkdir -p dist
           # Stub for optional dep that Ink tries to import (only used when DEV=true)
-          if [ ! -e node_modules/react-devtools-core ]; then
-            ln -s ../src/cli/stubs/react-devtools-core node_modules/react-devtools-core
+          # Copy instead of symlink — bun can't read directory symlinks
+          if [ ! -e node_modules/react-devtools-core/package.json ]; then
+            rm -rf node_modules/react-devtools-core
+            cp -r src/cli/stubs/react-devtools-core node_modules/react-devtools-core
           fi
           bun build src/cli/src/index.ts --compile --outfile dist/mcpctl
           bun build src/mcplocal/src/main.ts --compile --outfile dist/mcpctl-local