Documents the three protocols (RPC, Invalidation-on-Mutation,
Frontend-Agnostic Rendering), the full @client decorator API surface
with all parameters and _meta structure, the HMAC cache key derivation
scheme, Redis/Memory backends, the MWT/JWT token systems with secret
separation, the SSR template backend + Bun worker bridge, the Edge
manifest format, and the current codegen gap.
Written from reading every source file, not from memory or prior docs.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>