ci: run bun install before compile (pnpm strict layout fix)

bun can't resolve transitive deps through pnpm's symlinked node_modules.
Running bun install creates a flat layout bun can resolve from.

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

.gitea/workflows/ci.yml

@@ -116,6 +116,8 @@ jobs:
       - name: Bundle standalone binaries
         run: |
           mkdir -p dist
+          # bun needs a flat node_modules (pnpm's strict layout breaks resolution)
+          bun install --frozen-lockfile
           # Stub for optional dep that bun tries to resolve
           if [ ! -e node_modules/react-devtools-core ]; then
             ln -s ../src/cli/stubs/react-devtools-core node_modules/react-devtools-core