ci: clean node_modules before bun install for fresh resolution

bun install on top of pnpm's nested node_modules fails to resolve
workspace transitive deps (Ink, inquirer, etc). Remove node_modules
first so bun creates a proper flat layout from scratch.

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

.gitea/workflows/ci.yml

@@ -117,7 +117,8 @@ jobs:
         run: |
           mkdir -p dist
           # bun needs a flat node_modules (pnpm's strict layout breaks resolution)
-          # No bun.lockb in repo, so --frozen-lockfile is unreliable
+          # Remove pnpm's nested node_modules first so bun resolves fresh
+          rm -rf node_modules
           bun install
           # Stub for optional dep that bun tries to resolve
           if [ ! -e node_modules/react-devtools-core ]; then