contract(ogar_codebook): mirror the Blocks domain — blockly-rs hot-plug (consumer half)

[AdaWorldAPI]

The lance-graph half of blockly-rs's hot-plug, paired with OGAR #255 (which mints the concepts and declares blocks_actions).

Merge OGAR #255 FIRST. This mirror's COUNT_FUSE is a compile-time assert against ogar_vocab::class_ids::ALL.len() via the sibling path dep, so the counts must already agree when this builds.

What lands

ConceptDomain::Blocks (0x17XX) + the two rows OGAR mints:

• ("block_function", 0x1701) — one function body; the classid a stored FunctionNode is addressed by, and the only Blocks concept binding capabilities (lower_script / raise_calls / render_text / parse_text / klickweg_address, all real blockly-abi functions).
• ("block_inventory", 0x1702) — the registry row; minted and addressable, binds nothing.

The opcode palette is deliberately NOT mirrored. An opcode is an FnIndex byte inside a function body, resolved through ogar-loco's vocabulary table — never a classid. Two Blocks rows here, not 258.

Why this is the "consumer half"

blockly-abi declares ONE lance_graph_contract::hotplug::HotPlug const and resolves it via ogar_vocab::capability_registry::resolve_hotplug, which joins on class_ids::ALL. The socket shapes (HotPlug / Activation / ActivationDrift / CapabilityAuthority) already live here, zero-dep; what was missing was the codebook mirror knowing the domain exists.

Both halves of the two-sided fuse followed

• COUNT_FUSE (compile-time): OGAR class_ids::ALL 90 → 92, mirror matches — so the build itself proves the counts agree.
• domains_agree gained (O::Blocks, C::Blocks). Without it the runtime bijection failed with domain disagreement for block_function (0x1701) — measured, not assumed: the check caught the omission before this commit existed, which is the fuse doing exactly its job.

Verification

• cargo test -p lance-graph-contract — 1155 green
• cargo test --manifest-path crates/lance-graph-ogar/Cargo.toml — 62 green, including the full id/domain bijection against the real OGAR sibling
• cargo clippy -p lance-graph-contract --all-targets -- -D warnings — clean
• cargo fmt — clean

Board hygiene

.claude/board/LATEST_STATE.md updated in the same commit (Current Contract Inventory — mirror sync), per the mandatory rule.

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