lab(dr256): persist and reopen the existing OrderIndex (D-DRDT-SPLIT-1 S3)

.github/workflows/rust-test.yml

@@ -163,6 +163,11 @@ jobs:
         run: cargo test --manifest-path crates/lance-graph-dt64/Cargo.toml
       - name: Run xlog tests
         run: cargo test --manifest-path crates/lance-graph-xlog/Cargo.toml
+      # dr256-ternlog-lab: a workspace member whose tests no workflow ran.
+      # tests/lab.rs carries the fold-vs-oracle checks; tests/order_store.rs
+      # the persisted OrderIndex (S3) and its refusals.
+      - name: Run dr256-ternlog-lab tests
+        run: cargo test --manifest-path crates/dr256-ternlog-lab/Cargo.toml
       # lance-graph-report: no workflow ran its tests before D-LANESOCK-2. The
       # lane-socket suite is a `#[cfg(test)]` unit module (its constructor
       # takes an unwitnessed reader scope), so the plain run covers it.

crates/dr256-ternlog-lab/src/lib.rs

@@ -60,6 +60,8 @@ pub const FRIEND_OF: u32 = 0xD257_0001;
 const PERSON_VIEW: ClassId = 0xD256;
 const FRIEND_VIEW: ClassId = 0xD257;
 
+pub mod order_store;
+
 /// Field positions of [`PERSON`].
 pub mod person {
     pub const ID: u8 = 0;