diff --git a/bot/test/guidance-cron.test.mjs b/bot/test/guidance-cron.test.mjs
index d94870d..636a530 100644
--- a/bot/test/guidance-cron.test.mjs
+++ b/bot/test/guidance-cron.test.mjs
@@ -49,6 +49,7 @@ const { strings } = await import("../src/i18n/strings.ts");
 const { encodePolyline6 } = await import("@araharah/routing/src/polyline.ts");
 const { deriveCumulativeDistanceM, haversineM } = await import("@araharah/routing/src/geo.ts");
 const { encodeGraph, decodeGraph } = await import("@araharah/routing/src/graph.ts");
+const { LANDMARK_QUANTUM_S, landmarkTables } = await import("@araharah/routing/src/landmark.ts");
 
 /* ————— geometry helpers (1e-6-grid-exact construction, the codec's grid law) ————— */
 
@@ -249,15 +250,23 @@ test("GC6b unnamed matched edge → cardStreetUnnamed ('UNNAMED ROAD') — still
   // A purpose-built unnamed way through the same encodeGraph contract
   // (names: [] → every edge carries the UNNAMED_NAME_ID sentinel).
   const meters = haversineM({ lat: 3.15, lng: 101.69 }, { lat: 3.1505, lng: 101.69 });
+  const edges = [
+    { from: 0, to: 1, seconds: meters / (30 / 3.6) },
+    { from: 1, to: 0, seconds: meters / (30 / 3.6) },
+  ];
+  // A 2-node graph has no degree>=2 farthest-point candidate (the selection
+  // filter), so the anchor pins directly — the tables still come from the
+  // ONE integer-Dijkstra core (08-02), through the ONE encode authority.
+  const landmarkInput = { nodeCount: 2, edges, quantumS: LANDMARK_QUANTUM_S };
+  const anchors = Uint32Array.of(0);
+  const { to, from } = landmarkTables(landmarkInput, anchors);
   const buf = encodeGraph({
     lat: [3.15, 3.1505],
     lng: [101.69, 101.69],
-    edges: [
-      { from: 0, to: 1, seconds: meters / (30 / 3.6) },
-      { from: 1, to: 0, seconds: meters / (30 / 3.6) },
-    ],
+    edges,
     names: [],
     maxSpeedKmh: 30,
+    landmarks: { quantumS: LANDMARK_QUANTUM_S, nodes: anchors, to, from },
   });
   const graph = decodeGraph(buf);
   assert.notEqual(graph, null);
diff --git a/bot/test/webhook.test.mjs b/bot/test/webhook.test.mjs
index 44b3351..178973e 100644
--- a/bot/test/webhook.test.mjs
+++ b/bot/test/webhook.test.mjs
@@ -472,6 +472,22 @@ test("GW11 PUT /api/guidance → 405", async () => {
 
 const { encodeGraph } = await import("../../routing/src/graph.ts");
 const { haversineM } = await import("../../routing/src/geo.ts");
+const { LANDMARK_QUANTUM_S, farthestPointAnchors, landmarkTables } = await import(
+  "../../routing/src/landmark.ts"
+);
+
+/** Tiny REAL landmark block through the ONE preprocessing core (08-02):
+ *  farthest-point anchor + integer ĉ tables — computed, never faked.
+ *  `{ pin }` pins the anchor for graphs with no degree>=2 candidate (the
+ *  selection filter's law — e.g. a single-segment graph); the tables still
+ *  come from the ONE integer-Dijkstra core. */
+function landmarkBlock(nodeCount, edges, { pin } = {}) {
+  const input = { nodeCount, edges, quantumS: LANDMARK_QUANTUM_S };
+  const anchors = pin !== undefined ? Uint32Array.of(pin) : farthestPointAnchors(input, 1);
+  if (anchors.length !== 1) throw new Error("graph has no degree-2 anchor candidate");
+  const { to, from } = landmarkTables(input, anchors);
+  return { quantumS: LANDMARK_QUANTUM_S, nodes: anchors, to, from };
+}
 
 /** The committed 06-01 ground truth (25 nodes around KL center) via fs. */
 const MINI_GRAPH = readFileSync(new URL("../../routing/test/fixtures/mini-graph.bin", import.meta.url));
@@ -496,7 +512,14 @@ function corridorGraphBuffer({ gap = false } = {}) {
     const seconds = meters / (60 / 3.6);
     edges.push({ from: i, to: i + 1, seconds, nameId: 0 }, { from: i + 1, to: i, seconds, nameId: 0 });
   }
-  return encodeGraph({ lat, lng, edges, names: ["Jalan Koridor Ujian"], maxSpeedKmh: 60 });
+  return encodeGraph({
+    lat,
+    lng,
+    edges,
+    names: ["Jalan Koridor Ujian"],
+    maxSpeedKmh: 60,
+    landmarks: { ...landmarkBlock(n, edges) },
+  });
 }
 
 /** Nodes cluster at two far-apart cells with a nodeless middle: an in-bbox
@@ -506,15 +529,17 @@ function sparseGraphBuffer() {
   const lng = [101.69, 101.6905, 101.7];
   const meters = haversineM({ lat: lat[0], lng: lng[0] }, { lat: lat[1], lng: lng[1] });
   const seconds = meters / (50 / 3.6);
+  const edges = [
+    { from: 0, to: 1, seconds, nameId: 0 },
+    { from: 1, to: 0, seconds, nameId: 0 },
+  ];
   return encodeGraph({
     lat,
     lng,
-    edges: [
-      { from: 0, to: 1, seconds, nameId: 0 },
-      { from: 1, to: 0, seconds, nameId: 0 },
-    ],
+    edges,
     names: ["Jalan Sparse Ujian"],
     maxSpeedKmh: 50,
+    landmarks: { ...landmarkBlock(lat.length, edges, { pin: 0 }) },
   });
 }