docs: complete Phase 4 design — fill open sections from dAppServer archaeology
Polyfills: none needed (WebView2 is Chromium).
Object store: Go-managed SQLite via gRPC, 6 operations extracted.
Templated config generators: Go text/template in CoreGO.
Git-based plugin marketplace: Git repo as registry, clone-based distribution,
ed25519 verification, 7 marketplace RPC operations.
Complete RPC surface: 40+ procedures across auth, crypto, fs, process,
store, IPC, and marketplace namespaces.
Heritage table expanded to 4 tiers from 20-repo archaeological survey.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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