fuzz-parser-exposure: doc-hidden re-exports of the @every parsers + skip_forward (three engines); visibility-only — sqlite substrate facade mod.rs line + PROVENANCE D-37; compile-level reachability pins per engine

alkstore-sqlite/src/fuzz_surface_tests.rs

@@ -0,0 +1,5 @@
+#[test]
+fn doc_hidden_reexports_reach_the_crate_root() {
+    assert_eq!(crate::parse_every_interval("@every 5s").unwrap(), 5);
+    assert_eq!(crate::skip_forward(0, 20, 5), 25);
+}