Single portable 'where we are / what's next' page for the Zig native-substrate
work: gate status per component, the locked G1 CRDT contract, the immediate
next action (a new ADR to clear G2 before any Zig code), env gotchas
(PYO3_PYTHON=3.12; the public_demo wall-clock lane flake), and verification
commands. Lets any operator/agent resume cold.
Sibling links resolve once #509 (docs/zig/**) lands on main; merge #509 first.
Bring the docs/zig/** decision package and README 'Native Substrate
Direction' section into main, and record ADR-0196 (Accepted) as the
binding ratification.
The doctrine is explicitly NOT a wholesale Zig rewrite. It establishes a
ring architecture (Python = semantic source of truth; Rust = incumbent
algebra backend; Zig = Ring 1 native-substrate candidate only) and the
G0-G8 adoption gate ladder. Zig may enter only by clearing gates against
a locked reference contract; default-by-availability is forbidden.
ADR-0196 forward-references ADR-0180 as the first G1 instantiation (the
CRDT contract lock / ZC-0 slice). No Zig code is authorized.
