- Rewrite Flatpak manifest to build from source using SDK extensions
(node22, rust-stable) with offline cargo/npm dependency caches
- Add generate-sources.sh to produce cargo-sources.json and
node-sources.json from lock files using flatpak-builder-tools
- Vendor Node.js, protoc, and wasm-pack as archive sources with
SHA256 verification and per-arch support
- Add SHA256 verification to vendor-node.cjs and vendor-protoc.cjs
- Rewrite update-manifest.sh to update git tag/commit and regenerate
dependency sources
- Update Flathub CI workflow to install generators and copy source
files
- Remove stale plugins/faker entry from package-lock.json
